VAULT COPY
Datascope® is a U.S. registered trademark of Datascope Corp.
Anestar™, Anestar Plus™, and Anestar S™ are U.S. trademarks of Datascope Corp.
Krytox® is a U.S. registered trademark of E. I. du Pont de Nemours and Company
Selectatec™ is a U.S. trademark of Datex Ohmeda
Vac Kote® is a U.S. registered trademark of Ball Aerospace & Technologies Corp.
Copyright © Datascope Corp., 2005. Printed in U.S.A. All rights reserved. Contents of this publication may not be
reproduced in any form without permission of Datascope Corp.
0070-10-0526
Anestar™ Systems Service Manual
Table of Contents
Foreword ....................................................................................................................................................... v
Warnings, Precautions and Notes..................................................................................................................... v
Warnings ...................................................................................................................................................... v
Precautions .................................................................................................................................................... vi
Notes ............................................................................................................................................................ vii
Theory of Operation ......................................................................................................... 1 - 1
Introduction ....................................................................................................................................................1 - 1
Conventions - References to Models .................................................................................................................. 1 - 1
Microprocessor-controlled Ventilator.................................................................................................................. 1 - 2
Breathing System ............................................................................................................................................ 1 - 3
Gas Conditioning Unit..................................................................................................................................... 1 - 3
The Ventilator Unit .......................................................................................................................................... 1 - 4
Adjustable Alarms........................................................................................................................................... 1 - 5
Fresh Gas Decoupling ..................................................................................................................................... 1 - 6
Compliance Compensation .............................................................................................................................. 1 - 6
Electrical Supply ............................................................................................................................................. 1 - 7
Line Terminal Block .................................................................................................................................. 1 - 7
Electrical components............................................................................................................................... 1 - 8
Power Supply Module (AVM 2-1)...................................................................................................................... 1 - 9
Assembly................................................................................................................................................ 1 - 9
Connectors ............................................................................................................................................. 1 - 10
Fuses ..................................................................................................................................................... 1 - 12
Battery charging / discharging control ....................................................................................................... 1 - 12
Battery control status indicators ................................................................................................................. 1 - 12
Module 1 — Communications/Display Controller ............................................................................................... 1 - 13
Advanced Functions.................................................................................................................................1 - 13
Module 1.1 Display Interface Board .......................................................................................................... 1 - 13
Module 1.2 EL or LCD Display PC Board.................................................................................................... 1 - 14
Connectors ............................................................................................................................................. 1 - 14
Ventilator Module 2, AVM 3-1 / AVM 3-2......................................................................................................... 1 - 15
Advanced Functions.................................................................................................................................1 - 15
Assembly................................................................................................................................................ 1 - 16
Connectors ............................................................................................................................................. 1 - 17
Display .......................................................................................................................................................... 1 - 19
Battery........................................................................................................................................................... 1 - 19
Ventilator Pneumatic — O2 Drive Gas ............................................................................................................... 1 - 19
Ventilator pneumatic drive ........................................................................................................................ 1 - 19
HP-High pressure regulator (29 psi [2 Bar])................................................................................................. 1 - 19
LP- Low pressure regulator (2.9 psi [200 mBar]) .......................................................................................... 1 - 19
Solenoid valves - MV1, MV2, MV3 and MV4 ............................................................................................. 1 - 20
Pneumatic driving module......................................................................................................................... 1 - 20
Flow metering module .............................................................................................................................. 1 - 21
Tube color coding.................................................................................................................................... 1 - 21
The Breathing System (Circle System) ................................................................................................................1 - 22
Top view of the Anestar Breathing System................................................................................................... 1 - 22
Top view on the Anestar S Breathing System ............................................................................................... 1 - 24
Bottom view of the Anestar Breathing System .............................................................................................. 1 - 25
Bottom view of the Anestar S Breathing System ...........................................................................................1 - 27
Breathing System ..................................................................................................................................... 1 - 29
Breathing System components ................................................................................................................... 1 - 36
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Table of Contents
Repair Information ........................................................................................................... 2 - 1
Warnings and Precautions ............................................................................................................................... 2 - 2
Warnings ............................................................................................................................................... 2 - 2
Precautions ............................................................................................................................................. 2 - 2
Troubleshooting Guidelines .............................................................................................................................. 2 - 3
Troubleshooting Chart ..................................................................................................................................... 2 - 4
Common symptoms and corrective actions for field service technicians...........................................................2 - 4
Common Anestar Messages...................................................................................................................... 2 - 6
Special Tools Required .................................................................................................................................... 2 - 9
Disassembly Instructions...................................................................................................................................2 - 10
Connecting and disconnecting vaporizers .................................................................................................. 2 - 10
Removing the auxiliary O2 Flowmeter ........................................................................................................ 2 - 10
Removing the compressed Gas Tanks......................................................................................................... 2 - 10
Removing the Waste Gas Scavenger ......................................................................................................... 2 - 10
Removing the Breathing System ................................................................................................................. 2 - 11
Removing the CO2 Absorber Canister........................................................................................................ 2 - 11
Removing the Bellows and Dome System .................................................................................................... 2 - 11
Removing the Airway Pressure Limiting Valve (APL) ...................................................................................... 2 - 12
Inspecting/replacing the Decoupling and Expiratory Valve Membrane........................................................... 2 - 12
Disassembling the Negative Pressure Relief, Inspiration, and Expiration Valves ...............................................2 - 12
Removing the Flow Meter Block ................................................................................................................. 2 - 13
Removing the Flow Tubes ......................................................................................................................... 2 - 13
Removing the Module 2 Circuit Board Set................................................................................................... 2 - 13
Removing the Power Supply Module .......................................................................................................... 2 - 14
Removing the Pressure Gauges.................................................................................................................. 2 - 14
Remove Module 1 Circuit Board Set .......................................................................................................... 2 - 14
Removing Internal Regulators, Proportional Valve and Flow Divider ............................................................... 2 - 14
Instructions for Removing and Installing the Docking Station Port:................................................................... 2 - 15
Diagrams.......................................................................................................................... 3 - 1
Anestar Pneumatic Circuit, O2 Drive.................................................................................................................. 3 - 2
Anestar Pneumatic Circuit, Air Drive.................................................................................................................. 3 - 3
Anestar Docking Station Pneumatic Connections ................................................................................................. 3 - 4
Anestar S Pneumatic Circuit, O2 Drive............................................................................................................... 3 - 5
Anestar S Pneumatic Circuit, Air Drive ............................................................................................................... 3 - 6
Anestar S Docking Station Pneumatic Connections .............................................................................................. 3 - 7
Anestar Pneumatic Circuit, O2 Drive with N2O/Air Switch .................................................................................. 3 - 8
Replacement Parts and Accessories ................................................................................... 4 - 1
Diagrams....................................................................................................................................................... 4 - 1
Parts List ........................................................................................................................................................4 - 20
ii
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Anestar™ Systems Service Manual
Table of Contents
Calibration ....................................................................................................................... 5 - 1
Introduction .................................................................................................................................................... 1
Calibration Warnings, Precautions, and Notes ................................................................................................... 5 - 2
Anestar and Anestar S Test Procedure ............................................................................................................... 5 - 4
Machine Exterior Inspection ...................................................................................................................... 5 - 4
Inspecting/Replacing Consumable Parts ..................................................................................................... 5 - 4
Power Supply Checks............................................................................................................................... 5 - 11
Functional Tests ....................................................................................................................................... 5 - 12
Service Software............................................................................................................................................. 5 - 33
Navigation through Service Diagnostic Software Screens.....................................................................................5 - 34
The Main Menu....................................................................................................................................... 5 - 34
Troubleshooting Utilities............................................................................................................................ 5 - 36
Calibration ............................................................................................................................................. 5 - 47
Temperature Sensor ADC Min-Max calibration............................................................................................ 5 - 51
Checkout Recommendations...................................................................................................................... 5 - 65
Ventilator Performance .................................................................................................................................... 5 - 69
Performance check .................................................................................................................................. 5 - 69
Checkout Recommendations...................................................................................................................... 5 - 69
Preventive Maintenance.................................................................................................... 6 - 1
Maintenance Schedule .................................................................................................................................... 6 - 1
Functional Checkout ........................................................................................................................................ 6 - 1
Routine Maintenance Program.......................................................................................................................... 6 - 1
Cleaning........................................................................................................................................................6 - 9
Cleaning and Disinfecting the Apparatus.................................................................................................... 6 - 9
Cleaning and Sterilizing the Breathing System and Components....................................................................6 - 9
Battery Replacement and Maintenance ..............................................................................................................6 - 10
Battery Replacement ................................................................................................................................ 6 - 10
Battery Maintenance ................................................................................................................................ 6 - 10
How to Get Help ............................................................................................................................................ 6 - 10
Warranty ......................................................................................................................... 7 - 1
Warranty Statement ........................................................................................................................................ 7 - 1
Datascope's Responsibility........................................................................................................................ 7 - 2
Extended Warranty Statement ................................................................................................................... 7 - 2
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Anestar™ Systems Service Manual
Foreword
Introduction
Foreword
This Service Manual is intended as a guide for technically qualified personnel performing
repair and calibration procedures.
This publication may have been updated to reflect product design changes and/or manual
improvements. Higher revision manuals are available from Datascope or Datascope
authorized distributors.
Warnings, Precautions and Notes
WARNINGS alert the user to potential serious outcomes (death, injury or serious adverse
events) to the patient or user.
PRECAUTIONS alert the reader to exercise special care necessary for the safe and effective
use of the device.
NOTES are a general information statement concerning the Anestar.
Please read and adhere to all warnings, precautions and notes listed here and in the
appropriate areas throughout this manual.
Warnings
WARNING:
For continued protection against a fire hazard, replace all
fuses with the specified type and rating.
WARNING:
In order to prevent an electric shock, the machine
(protection class I) may only be connected to a correctly
grounded mains connection (socket outlet with grounding
contact).
WARNING:
Remove all accessory equipment from the shelf before
moving the anesthesia machine over bumps or on any
inclined surface. Heavy top loading can cause the machine
to tip over causing injury.
WARNING:
Use only approved lubricant on any O-ring in contact with
oxygen. Vac Kote® or Krytox® (U.S. Equivalent to Fomblin)
are recommended oxygen service lubricants. Krytox is
distributed by MediVac Technologies. Vac Kote is distributed
by Ball Aerospace and Technologies Corp.
WARNING:
Possible explosion hazard. Do not operate machine near
flammable anesthetic agents or other flammable
substances. Do not use flammable anesthetic agents (i.e.,
ether or cyclopropane.)
WARNING:
The use of anti-static or electrically conductive breathing
tubes, when utilizing high frequency electric surgery
equipment, may cause burns and is therefore not
recommended in any application of this machine.
WARNING:
Possible electric shock hazard. The machine may only be
opened by Datascope qualified or Datascope authorized
service personnel.
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v
Introduction
Precautions
WARNING:
Compressed gasses are considered Dangerous Goods/
Hazardous Materials per I.A.T.A. and D.O.T. regulations. It is
a violation of federal and international law to offer any
package or over pack of dangerous goods for
transportation without the package being appropriately
identified, packed, marked, classified, labeled and
documented according to D.O.T. and I.A.T.A. regulations.
Please refer to the applicable I.A.T.A. Dangerous Goods
Regulations and /or the Code of Federal Regulations 49
(Transportation, Parts 171-180) for further information.
WARNING:
Whenever flowing anesthetic gases, nitrous oxide, oxygen,
or any hospital gas always follow the appropriate agent
evacuation/collection procedures. Use the hospital gas
evacuation system.
Precautions
vi
CAUTION:
After changing the CO2, absorbent, carry out a system leak
test.
CAUTION:
Only Selectatec™ compatible vaporizers with InterlockSystem may be used with the Anestar unit.
CAUTION:
After each exchange of a vaporizer, carry out a system Leak
test.
CAUTION:
Use cleaning agent sparingly. Excess fluid could enter the
machine, causing damage.
CAUTION:
The patient dome of the bellows system cannot be
autoclaved. It is not in contact with the ventilation gas. If
soiled, the patient dome should be cleaned with water and
liquid cleaning agent. The unit can be disinfected with a
standard surface-disinfecting agent. Do not use alcohol.
CAUTION:
Do not clean the machine while it is on and/or plugged in.
CAUTION:
Pressing Quit at any time during the procedure will cancel
the session’s settings and reload the previously-stored
calibration coefficients.
CAUTION:
Do not leave gas cylinder valves open if the pipeline supply
is in use and the system master switch is turned to 'ON'. If
used simultaneously cylinder supplies could be depleted,
leaving an insufficient reserve supply in the event of
pipeline failure.
CAUTION:
Spent soda lime changes in color. Replace the soda lime if
approximate 2/3 of the absorber content is discolored. CO2
absorbent can be safely changed without stopping
mechanical ventilation.
CAUTION:
Refer to the maintenance intervals in the Preventive
Maintenance section for guidance on which steps are to be
performed and when.
CAUTION:
This machine must only be operated by trained, skilled
medical staff.
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Anestar™ Systems Service Manual
Notes
Introduction
CAUTION:
Direct the flow from the fresh gas outlet to the waste gas
scavenger hose. Connect the other side of the hose to the
Waste Gas Scavenger. Tee the connection at the fresh gas
outlet to measure the agent gas as it flows to the scavenger.
CAUTION:
Perform the electrical safety inspection as the last step after
completing a repair or after routine maintenance. Perform
this inspection with all covers, panels, and screws installed.
CAUTION:
This device operates using compressed gas at high
pressures. When attaching emergency gas tanks always
open tank valves slowly, watching the cylinder gauge
indicate the tank pressure. When disconnecting tanks
always close valves slowly. Use the Anestar flow meters to
bleed down the pressure, watching the cylinder gauge
indicate the depleting tank pressure, before disconnecting
the tank from the yoke. Always open and close tank valves
fully.
CAUTION:
This device operates using compressed gas at high
pressures from the hospital central supply. When connecting
gas supply lines attach the hose connection to the machine
before connecting the quick disconnect fitting to the hospital
source. Disconnect the supply hose from the hospital source
connection prior to disconnecting it from the Anestar gas
connection fittings.
Notes
NOTE:
Anestar™ Systems Service Manual
Unauthorized servicing may void the remainder of the
warranty. Check with the factory or with a local authorized
Datascope distributor to determine the warranty status of a
particular instrument.
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Introduction
Notes
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Anestar™ Systems Service Manual
1.0
Theory of Operation
1.1
Introduction
The AnestarTM Anesthesia Delivery Systems are flexible anesthesia workstations capable of
applying and monitoring ventilation in open, closed and semi-closed circuits using high and
low flow techniques. The Anestar Anesthesia Systems include the components described in
subsequent topics in this chapter.
1.2
Conventions - References to Models
This manual describes three Anestar models, the Anestar, Anestar Plus, and Anestar S. All
general descriptions and any references to the Anestar Systems shall reflect all three versions.
Descriptions specific to one model shall be identified using the specific model name, i.e.,
Anestar, Anestar Plus, or Anestar S.
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1-1
Microprocessor-controlled Ventilator
1.3
Theory of Operation
Microprocessor-controlled Ventilator
The Microprocessor-controlled ventilator, with its dedicated Breathing System, allows timecontrolled, pressure limited, constant volume ventilation for all patient groups within a tidal
volume range of (4 kg infant) 40 ml to (large adult) 1400 ml.
The system compliance of the respiratory tubes in the breathing circuit and machine dead
space are automatically compensated for by the ventilator so that low tidal volumes can be
maintained and dosed accurately.
The ventilator incorporates time-controlled, pressure limited and compliance compensated
constant volume-controlled ventilation (CMV mode). This provides a viable ventilation method
for complicated lung conditions. The ventilator also provides time-controlled, volume
dependant ventilation, targeting a set (adjustable) plateau pressure (PVC mode). Automatic
and comprehensive system startup tests and alarm management systems ensures controlled
ventilation conditions in every mode of operation.
The durable and ergonomically designed touchscreen user interface allow for easy operation
of the ventilator. The glass touchscreen surface resists scratches and degradation from
cleaning agents. The display provides the selected ventilation modes (CMV or PCV) and the
following measured values: Tidal Volume, Peak Pressure, Mean Pressure, FiO2, Breath Rate,
I:E Ratio, PEEP, Plateau Pressure, Alarm limits, and real-time Airway Pressure waveform.
1-2
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Theory of Operation
1.4
Breathing System
Breathing System
The circle system is integrated into a compact aluminum block. This block is heated to body
temperature to avoid humidified gases condensing within the Breathing System thus
improving airway climatization for the patient's re-breathing of respiratory gases. The heated
Breathing System contains: inspiratory valve with O2 adapter for FiO2 measurement,
expiratory valve, emergency air intake valve to prevent negative end expiratory pressure
(NEEP), emergency pressure relief button (Anestar only), APL valve, manual bag connection
and internal expiratory flow sensor.
The Breathing System is connected to the Anestar through a controlled motor drive which
automatically senses connection and disconnection. A threaded shaft pulls the Breathing
System toward the docking station.
The Anestar S Breathing System is mechanically latched to the docking station. It can be
unlocked by rotating a mechanical lever. This lever is located on the underside of the
Docking Station where it connects to the Breathing System.
1.5
Gas Conditioning Unit
The flowmeter block incorporates all necessary safety features such as O2 pressure loss
alarm and N2O shutoff. An integrated pneumatically-controlled ratio system provides a
minimum of 25% oxygen concentration in the fresh gas flow at settings above 500 ml total
fresh gas flow. A 50:50 ratio of O2 to N2O is maintained at fresh gas flows between
250 ml and 500 ml.
Anestar models above serial number 4600A41000 and all Anestar S and Anestar Plus
models have the O2 Flush button, Common Gas Outlet and electronic connections for the
FiO2 cell and electronic APL valve incorporated in the Breathing System's docking station.
Anestar models below serial number 4600A41000 do not have a Common Gas Outlet and
may not have an electronic APL valve. For models below serial number 4600A41000 the
FiO2 cell, O2 cable connection and the O2 Flush button are present in a different location.
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1-3
The Ventilator Unit
1.6
Theory of Operation
The Ventilator Unit
The microprocessor-controlled ventilator allows time-controlled, volume-constant (CMV) or, in
the Anestar the option of plateau pressure targeted (PCV) mechanical ventilation without
assisted or synchronized control functions. Both Anestar and Anestar S models provide
airway pressure-limiting in the CMV mode, through alarm limits. Both the Anestar and
Anestar S allow manual and spontaneous respiration of the patient, adjustable PEEP,
breathing time ratios (I:E), and pressure sustaining plateau function.
Volume-constant respiration is affected by the time control of the respirator and the fresh gas
decoupling of the Breathing System. The ventilator computes the inspiratory flow required for
the tidal volume (T Vol.), respiratory rate and the ventilation time ratio (I:E) settings resulting
in highly accurate delivery.
PEAK
PRESSURE
MEAN
PRESSURE
cm H2O
cm H2O
OPTIONS
VENT
MODE
Fi O2
Vol.%
l / min
9
24
MINUTE
VOLUME
2.2
MUTE
CMV
21
40
20
ALARM
LIMITS
0
-5
0
VIEW
SETTINGS
2
220
TIDAL VOL.
FLOW
4
10
RESP.
RATE
6
8
1: 2
10
12
14
2
I:E
PS
TRIGGER
16
PEEP
ENTER
PLATEAU
PRESSURE
TARGET
TARGET
PRESSURE
FIGURE 1-1 Sample Ventilator Display
1-4
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Anestar™ Systems Service Manual
Theory of Operation
1.7
Adjustable Alarms
Adjustable Alarms
Minimum and maximum alarm limit settings are available for Peak Pressure, Mean Pressure
and FiO2. Minimum alarm limit settings are available for Tidal Volume and Minute Volume.
Peak Pressure Limiting on Alarm Violation
Exceeding the peak pressure alarm limit automatically halts the inspiratory phase preventing
airway pressure from exceeding the high alarm setting. In the CMV mode, when reaching
this pressure limit, a warning (alarm) ‘‘Peak pressure greater than alarm limit’’ is displayed,
and inspiration is discontinued. The next inspiration occurs at the regular time interval,
preventing increase of the respiratory rate. The result is a decreased tidal volume (T Vol.) and
minute volume (M Vol.). During pressure limitation, the ventilator displays the alarm message
until the condition is corrected.
31
3.1
14
CMV
20
40
20
0
-5
0
2
4
6
8
10
12
14
16
Tidal Volume lower than Vtmin
Peak pressure greater than alarm limit
310
10
1: 2
0
FIGURE 1-2 Peak pressure greater than alarm limit
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1-5
Fresh Gas Decoupling
1.8
Theory of Operation
Fresh Gas Decoupling
Tidal volume (T Vol.) is adjusted independently of the adjusted fresh gas flow. This is
achieved by fresh gas decoupling. During patient inspiration the decoupling valve closes,
sending the measured contents of the bellows directly to the patient through the inspiratory
valve. While the decoupling valve is closed, fresh gas from the source is diverted into the
reservoir bag, which remains in the circuit. Excess volume escapes through the APL valve into
the waste gas scavenger.
During expiration the bellows is refilled with respiratory gas from three sources:
1. Fresh gas through the open decoupling valve,
2. Stored gas from the reservoir bag, and
3. Respired gas from the expiratory limb's CO2 absorber.
1.9
Compliance Compensation
Compliance compensation automatically corrects for the volume of the flexible breathing
circuit and for any small leaks associated with the breathing circuit and ventilator's
inspiratory limb. In the CMV ventilation mode, system compliance is monitored by the
ventilator to maintain the set tidal volume (+/-10%). The ventilator reacts to changes in the
patient lung compliance by monitoring changes in the peak inspiratory pressure. The
Compliance Test may be performed at machine power up or from the OPTIONS menu. The
Compliance Test when BYPASSED recalls the previously passed breathing circuit's volume
and leak characteristics.
1-6
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Anestar™ Systems Service Manual
Theory of Operation
Electrical Supply
1.10
Electrical Supply
1.10.1
Line Terminal Block
The line cord of the Anestar is connected to an internal terminal block. Directly connected to
this terminal are convenience receptacles and the unit itself. AC Line voltage to the
receptacles is available with the line cord connected. Line supply for the unit is switched by
the main switch at the right side of the unit. The switched power supply is protected by a 5A
circuit breaker. The switched line supply is connected to the AC IN connector on power
supply board AVM 2-1. The main switch is also connected, via the terminal block, to the
board AVM 2-1 (X5:5, 6), enabling detection of a main switch OFF position or missing line
supply.
X5 pin 6
power supply board
X5 pin 5
Line cord
X5 pin 4
X5 pin 3
N 120/230 V
L 120/230 V
int. ground
wiring
PE
1
1
1 2
2
3
4
2
2
3
4
1
5
5
6
6
Circuit breakers
5A
ventilator
1
2
8
7
Main switch
3
4
Power
supply board
Circuit breaker
5A
battery
Circuit Breakers 10 A
Convenience
receptacles
FIGURE 1-3 Line terminal block, 120/230 VAC supply
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1-7
Electrical Supply
1.10.2
Theory of Operation
Electrical components
FIGURE 1-4 Electrical components overview
1-8
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Theory of Operation
1.11
Power Supply Module (AVM 2-1)
Power Supply Module (AVM 2-1)
The power supply module is located on the hinged door behind the flowmeter dosing system.
This module serves as the voltage supply for the ventilator Modules 1 and 2, the flowmeter
backlight, the Breathing System heating blanket and the charging/discharging control for the
battery.
1.11.1
Assembly
FIGURE 1-5 Power supply assembly
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1-9
Power Supply Module (AVM 2-1)
1.11.2
Connectors
CONNECTOR
CONNECTED TO
X1
Module 1
+5V
Yellow
Red
X1-3
GND
Green
X1-4
+12V
Red
X2-1
+5V
X2-2
GND
X2-3
GND
X2-4
+12V
X2-1
-
X2-2
-
X2-3
GND
X2-4
+12V
X4-1
+5V
X4-2
GND
X4-3
GND
X4-4
+12V
Battery
X5-1
BATT+
Brown
Fuse for Battery
X5-2
BATT-
Black
Main switch
X11
RT110/22
X12
AC IN
1 - 10
COLOR /
NUMBER
GND
X4
X7
RT110/12
FUNCTION /
SIGNAL
X1-1
X3
X6
RT110/12
PIN DEF.
X1-2
X2
X5
Theory of Operation
X5-3
Cir. break. bat.
Black 6
X5-4
Cir. break. bat.
Black 5
X5-5
Main switch
Black 4
X5-6
Main switch.
Black 3
Transformer
X6-1
Sec. IIa 15VAC
Blue
Secondary
X6-2
Sec. IIa
Green
X6-3
Sec. IIb 15VAC
Blue
X6-4
Sec. IIb
Green
Transformer
X7-1
prim. I, L120/
230VAC
Black
Primary
X7-2
prim. I, N120/
230VAC
Orange
X7-3
prim. II, L120/
230VAC
White
Transformer
Secondary
X7-4
prim. II
Violet
X11-1
Sec.Ia 22VAC
Red
X11-2
Sec Ia
Yellow
X11-3
Sec. Ib 22VAC
Red
X11-4
Sec Ib
Yellow
Int. connection
X12-1
AC, N 110Vl
Blue
Terminal
X12-2
AC, L 110V
Black
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Theory of Operation
Power Supply Module (AVM 2-1)
CONNECTOR
CONNECTED TO
PIN DEF.
FUNCTION /
SIGNAL
COLOR /
NUMBER
X13
Module 2
X13-1
+12V
Red
Board
X13-2
GND
Blue
AVM 3-2
X13-3
+5V(1)
Red
X14
X15
X16
X17
X22
X13-4
GND
Blue
Module 2
X14-1
+5V(2)
Red
Board
X14-2
GND
Blue
AVM 3-2
X14-3
-12V
Red
X14-4
GND
Blue
X15-1
Control Sign.
White
Module 2
Board
X15-2
Control Sign.
White
AVM 3-2
X15-3
Control Sign.
White
X15-4
Control Sign.
White
Module 2
X12-1
GND
Blue
AVM 3-2
X12-2
+31V
Red
Solid state relay
X22-1
22VAC to heating
blanket
Black
Heating blanket
X22-2
22VAC to relay
Black
X22-3
+ Control voltage
Black
X22-4
GND
Black
Red
DC-AC convert.
X22-1
+ Supply voltage
For flowmeter
X22-2
-
Illumination
X22-3
-
X22-4
GND
Anestar™ Systems Service Manual
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Black
1 - 11
Power Supply Module (AVM 2-1)
1.11.3
FUSE NUMBER
Theory of Operation
Fuses
FUSE VALUE
FUSE PROTECTS
F1
4 A MT, medium slow-blow
DC/DC-converter +5V
F2
630 mA M, medium–blow
+5V supply to AVM 3-1
F3
630 mA M, medium–blow
+5V supply to AVM 3-2
F6
1.6 A M, medium–blow
+12V supply to AVM 3-2
F7
8 A M, medium–blow
DC/DC-converter +12V
F8
8 A M, medium–blow
Transformer, Sec. IIa
F9
8 A M, medium–blow
Transformer, Sec. IIb
F10
10 A T, slow-blow
Transformer, Sec. Ia
F11
10 A T, slow-blow
Transformer, Sec. Ib
1.11.4
Battery charging / discharging control
The charging / discharging control for the battery is also located on the power supply board
AVM 2-1. Status indicators as red, green and yellow LEDs are located on the board to show
functions like check or charging of the battery.
1.11.5
1 - 12
Battery control status indicators
LED
LED LIGHT
BATTERY STATUS
LED yellow (V28)
Continuous
Charging
LED yellow (V28)
Flashing
Check
LED green (V37)
Continuous
Fully charged
LED red (V38)
Flashing or continuous.
Defect
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Theory of Operation
1.12
Module 1 — Communications/Display Controller
Module 1 — Communications/Display Controller
Ventilator Module 1 consists of two processor boards. Module 1.1 conditions touchscreen
interface signals to the Module 2 ventilator pc board. Module 1.2 serves as video control for
the display. Individual pc board versions are available for EL and LCD display technology.
See Figures 1-6 and 1-7 below. All safety functions, e.g. the complete ventilator control, are
located on ventilator Module 2. Module 1 is connected to Module 2 by means of an RS
232C-interface. Module 1 serves to give the functions for parameter and alarm settings to
Module 2. Module 2 sends the measured parameters or generated alarm signals to Module
1 to display.
Software updates affect one IC on Module 1.1 and one IC on Module 1.2. A dip-switch (S1)
on the Module 1.1 printed circuit board sets either Anestar or Anestar S language and PCV
capability per the table below.
1.12.1
Advanced Functions
SWITCH
1.12.2
ANESTAR
ANESTAR S
ADD PCV
ADD SIGH
ADD PS
1
OFF
ON
N/A
N/A
N/A
2
ON
OFF
N/A
N/A
N/A
3
OFF
ON
N/A
N/A
N/A
4
OFF
OFF
OFF
OFF
OFF
5
OFF
OFF
OFF
OFF
OFF
6
OFF
OFF
OFF
OFF
ON
7
OFF
OFF
OFF
ON
OFF
8
OFF
OFF
ON
N/A
OFF
Module 1.1 Display Interface Board
FIGURE 1-6 Module 1.1 Display Interface PC Board
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Module 1 — Communications/Display Controller
1.12.3
Theory of Operation
Module 1.2 EL or LCD Display PC Board
FIGURE 1-7 Module 1.2 EL or LCD Display PC Board
1.12.4
1 - 14
Connectors
CONNECTOR
CONNECTED TO
PLUG CONF.
FUNCTION / SIGNAL
X4
Module 2
Pin 10
Communication
with Module 2
X5
TFT Display
Pin 20
Connected to the display
X6
Power supply
Pin 4
Power supply
X7
Touch screen
Pin 32
Communication
with touchscreen
X8
Module 2
Pin 14
Communication
with Module 2
X9
Module 2
Pin 28
Communication
with Module 2
X10
Selector switch
Pin 14
Communication
with the selector switch
X19
LCD Display
Flat cable connector
Connected to the display
X20
Display illumination
Pin 4
Power supply display
illumination
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1.13
Ventilator Module 2, AVM 3-1 / AVM 3-2
Ventilator Module 2, AVM 3-1 / AVM 3-2
Ventilator Module 2 serves as the active ventilator control. Module 2 consists of two CPU
boards, the CPU board AVM3-1 with µP1 serves as a continuous validation of control actions
generated by CPU board AVM3-2 and for the communication between Module 2 and
Module 1.
The CPU board AVM3-2 with µP2 generates all active control signals, after a validation of
these signals by µP1, AVM3-2 is enabled to operate the different active elements like the
solenoid valves and proportional valve.
Software updates affect one IC on AVM 3-1 and one IC on AVM 3-2. A dip-switch (S1) on
the AVM 3-1 printed circuit board sets the Anestar or Anestar S language to read the APL
valve position per the table below. Electronic APL valve is used only with software V1.4.0 or
higher. Mechanical APL valves maybe used with all software versions
1.13.1
Advanced Functions
.
SWITCH
ELECTRONIC APL VALVE
MECHANICAL APL VALVE
1
OFF
OFF
2
ON
OFF
3
OFF
OFF
4
OFF
OFF
5
OFF
OFF
6
OFF
OFF
7
OFF
OFF
8
OFF
OFF
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Ventilator Module 2, AVM 3-1 / AVM 3-2
1.13.2
Theory of Operation
Assembly
CPU - board
AVM 3-2
CPU - board
AVM 3-1
FIGURE 1-8 View of Module 2
1 - 16
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Ventilator Module 2, AVM 3-1 / AVM 3-2
1.13.3
Connectors
1.13.3.1
Module 2, AVM 3-1 board
CONNECTOR
CONNECTED TO
PLUG CONF.
FUNCTION / SIGNAL
X2
Module 1
Pin 28
Communication with Module 1
X3
Module 1
Pin 14
Communication with Module 1
X4
Module 1
Pin 10
Communication with Module 1
CONNECTOR
CONNECTED TO
PIN DEF.
FUNCTION /
SIGNAL
COLOR /
NUMBER
X7
PT-100 sensor
X7-1
Temperature dep.
Blue
X7-2
Resistance
Red
X9
FAN
Fan ventilator
X9-1
+12V
Red
Pneumatic Module
X9-2
Fan control signal
Yellow
X9-3
n.c.
X9-4
n.c.
X9-5
GND
Black
Driving gas
X11-1
+12V
White
Switch to detect a
failure of the gas
supply
X11-2
GND
Brown
X11-3
n.c.
X11-4
n.c.
X10
Driving gas switch
X11
HTSEC
X11-5
n.c.
Over temperature
X11-1
22VAC when
Black
Switch (NC) patient
block heating
X11-2
Switch is open
Black
X11-3
n.c.
X11-4
n.c.
X11-5
n.c.
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Ventilator Module 2, AVM 3-1 / AVM 3-2
1.13.3.2
PIN DEF.
FUNCTION /
SIGNAL
COLOR /
NUMBER
Internal
X5-1
Signal (+1-5 V)
Orange
Flow sensor
X5-2
+10V
Turquoise
X5-3
GND.
Violet
X5-4
n. c.
X5-5
n. c.
X7-1
flow dep. signal.
CONNECTED TO
X5
IF
X8
O2
X3
PV
X11
1 - 18
Module 2, AVM3-2 board
CONNECTOR
X7
EF
Theory of Operation
External
Flow sensor
Oxygen cell
Proportional Valve
Solenoid valve block
Red
X7-2
n.c.
X7-3
n.c.
X7-4
n.c.
X7-5
Flow dep. signal.
X8-1
Reading #2, Flow Ext
X8-2
+ voltage fuel cell
Red
X8-3
- voltage fuel cell
Blue
X8-4
Reading #1, Flow Ext
X8-5
n.c.
X3-1
+ 12V
Blue
Blue
X3-2
n. c.
X3-3
Control volt. 0-5V
X3-4
n.c.
X3-5
GND
Green
Gray
X11-1
GND (MV4)
Brown / 1
X11-2
+ 10V (MV4)
Red / 2
X11-3
GND (MV3)
Orange / 3
X11-4
+ 10V (MV3)
Yellow / 4
X11-5
GND (MV1)
Green /5
X11-6
+ 10V (MV1)
Blue / 6
X11-7
GND (MV2)
Violet / 7
X11-8
+ 10V (MV2)
Gray / 8
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1.14
Display
Display
The standard display is a monochrome EL type.
1.15
Battery
The battery is a maintenance free, sealed lead-acid type. The recharging time is seven hours
maximum with a fully depleted battery. The run time is approximately 30 minutes with a fully
charged battery. To prevent unintended loss of battery operation, it is recommended that it be
replaced with a new Datascope battery every three years.
1.16
Ventilator Pneumatic — O2 Drive Gas
1.16.1
Ventilator pneumatic drive
Oxygen is the driving gas for the ventilator. In addition to the flowmeter block, a high
pressure regulator, reducing the supply pressure to 2 BAR (29 psi), is supplied by the oxygen
connection. This pressure represents the high pressure system of the ventilator, and is
referenced HP pressure regulator in the drawing.
The HP pressure regulator is placed ahead of the proportional valve that generates the
driving gas flow during the inspiratory phase. This flow is led through the flow divider and
fills the bellows dome that surrounds the silicone bellows.
In response to the inspiratory and expiratory phases of a respiration cycle, the Bellows Valve,
Decoupling Valve and Expiratory Valve (membrane valves) of the Breathing System are
activated by solenoid valves MV1, MV3, MV2 respectively.
Solenoid valves MV1, MV3, MV2 and MV4 are supplied by a second pressure regulator
(referenced LP for low pressure system) with approximately 2.9 psi (200 mBar) of oxygen*
pressure. The operator’s selection of ventilator settings, read by the user interface, signals the
Module 2 processor, which controls the cyclic activation of the proportional valve and
solenoid valves.
NOTE:
1.16.2
Air is the driving gas for Anestar part number
0998-00-3012-00210
HP-High pressure regulator (29 psi [2 Bar])
The HP pressure regulator stabilizes of the supply pressure for the proportional valve. The
flow generated by the proportional valve is therefore independent of pressure variations at
the supply.
The HP pressure regulator setting at 29 psi allows for a maximum inspiratory flow of 80 liters
per minute at the respirator, +0/-5 l/min
1.16.3
LP- Low pressure regulator (2.9 psi [200 mBar])
This pressure regulator is supplied by the HP high pressure regulator, with oxygen, in parallel
to the measuring tube block and ratio system, respectively. It reduces the input pressure from
29 psi (2 Bar) to approximately 2.9 psi (200 mBar). The output of the second step is
connected to the solenoid valve bank.
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Ventilator Pneumatic — O2 Drive Gas
1.16.4
Theory of Operation
Solenoid valves - MV1, MV2, MV3 and MV4
The solenoid valves MV1, MV2, MV3 and MV4 are mounted behind the Breathing System
docking station. Each valve is active in the controlled ventilation modes
MV1: This solenoid valve activates the membrane valve for closing the outlet of the bellows
dome (bellows control valve), when driving gas flows in for inspiration. It is supplied by the
LP-double stage pressure reducer.
NOTE:
Air is the driving gas for Anestar part number
0998-00-3012-00210
MV3: This solenoid valve activates the membrane valve for the fresh gas decoupling valve. It
is supplied by the LP-double stage pressure reducer.
MV2: This solenoid valve activates the membrane valve closing the expiratory channel of the
Breathing System (expiratory valve), via MV2. It is inspiratorily supplied with pressure by the
LP-double stage pressure reducer via MV4.
MV4: This solenoid valve is used for internal supply of MV2 with pressure of the
LP - reducer.
1.16.5
Pneumatic driving module
The driving module consists of the proportional valve and flow divider with an internal flow
sensor. The proportional valve supplied by the HP pressure regulator, generates a driving gas
flow of 0-80 l/min in relation to the control voltage of the proportional valve of 0-5VDC.
The control voltage of the proportional valve, required for the pre-selected parameter
settings, is generated by the CPU board AVM 3-2.
The driving gas flow Qdrive gas is in the following relationship with the tidal volume:
1 - 20
Qdrive gas
=
VT/T
with: Qdrive gas
VT
=
driving gas flow
=
generated tidal volume
T
=
time
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1.16.6
Ventilator Pneumatic — O2 Drive Gas
Flow metering module
The flow metering module attached to the proportional valve consists of a flow sensor with a
measuring range of 0-1 l/min and a flow divider. The flow divider splits the total flow in a
ratio of 79:1, and the bypass flow is lead to the flow sensor. A closed loop that allows high
accuracy and back-up generation of the tidal volume results from this configuration via the
Module 2 CPU boards.
1.16.7
Tube color coding
All the pneumatic tubes inside the apparatus will have the following color coding
TUBE
USA, VENEZUELA
EL SALVADOR
AUSTRALIA
O2
GREEN
WHITE
N2O
BLUE
BLUE
AIR
YELLOW
BLACK
On the outside of the apparatus, the coding will be according to the color coding system of
the country the apparatus was delivered to.
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The Breathing System (Circle System)
1.17
The Breathing System (Circle System)
NOTE:
1.17.1
Theory of Operation
The Anestar and Anestar S each have a unique breathing
system aluminum manifold. Although many parts within
both aluminum manifolds are interchangeable, the
aluminum manifolds themselves are not interchangeable.
Top view of the Anestar Breathing System
2
1
4
18
3
16
6
7
5
6
8
10
19
15
11
12
13
9
14
17
FIGURE 1-9 Anestar Rear, top view
1 - 22
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Theory of Operation
The Breathing System (Circle System)
Parts - Anestar Rear
POSITION
DESCRIPTION
1
Expiratory valve
2
Airway pressure limiting valve (APL)
3
Inspiratory valve
4
Neg. Press. Rel. valve
5
Connector of expiratory flow sensor
6
Connectors of power supply heating blanket
7
Ground (Electrical)
8
PEEP valve
9
Port for O2 flush
10
PAW sampling part
11
Port for driving gas
12
Thread for spindle of motor drive
13
Bellows valve
14
Decoupling valve
15
Port for fresh gas
16
Bag arm
17
Temperature Sensor Connector
18
Manual Pop Off (emergency pressure release)
19
Port for MV-2 solenoid valve
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The Breathing System (Circle System)
1.17.2
Theory of Operation
Top view on the Anestar S Breathing System
2
13
3
4
1
12
6
5
6
7
8
14
9
15
10
11
FIGURE 1-10 Anestar S Breathing System, rear, top view (See Table)
Parts - Anestar S Rear Breathing System
1 - 24
POSITION
DESCRIPTION
1
Expiratory valve
2
Airway pressure limiting valve (APL)
3
Inspiratory valve
4
Neg. Press. Rel. valve
5
Connector of expiratory flow sensor
6
Connectors of power supply heating blanket
7
PEEP valve
8
PAW sampling part
9
Port for driving gas
10
Bellows valve
11
Decoupling valve & O2 FLUSH
12
Port for fresh gas
13
Bag arm
14
Port for MV-2 solenoid valve
15
Docking Station Locking Pin
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1.17.3
The Breathing System (Circle System)
Bottom view of the Anestar Breathing System
2
1
8
9
15
3
16
7
5
4
6
12
10
17
11
14
18
13
FIGURE 1-11 Anestar, Bottom view (See Table)
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The Breathing System (Circle System)
Theory of Operation
Parts - Anestar Bottom
1 - 26
POSITION
DESCRIPTION
1
Airway pressure gauge
2
Manual Pop-off outlet
3
Driving gas inlet and outlet to bellows dome
4
Mount for CO2 absorber canister
5
Inlet for re-breathing gas from absorber to Breathing System
6
Outlet from Breathing System to absorber
7
Connector for bellows
8
Inlet for ambient air valve / emergency air valve
9
Port for anesthetic gas scavenging tube (19 mm)
10
Bellows
11
Absorber canister
12
Prepack seal
13
Bellows dome
14
Bellows foam pad
15
Expiratory port
16
Inspiratory port
17
Absorber canister O-ring
18
Bellows Dome O-ring
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1.17.4
The Breathing System (Circle System)
Bottom view of the Anestar S Breathing System
13
1
6
12
7
3
2
4
5
14
8
9
11
15
10
FIGURE 1-12 Anestar S Bottom view (See Table)
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The Breathing System (Circle System)
Theory of Operation
Parts - Anestar S Bottom
1 - 28
POSITION
DESCRIPTION
1
Airway pressure gauge
2
Driving gas inlet and outlet to bellows dome
3
Inlet for re-breathing gas from absorber to Breathing System
4
Outlet from Breathing System to absorber
5
Connector for bellows
6
Inlet for ambient air valve / emergency air valve
7
Port for anesthetic gas scavenging tube (19 mm)
8
Bellows
9
Absorber canister
10
Bellows dome
11
Bellows foam pad
12
Expiratory port
13
Inspiratory port
14
Absorber canister O-ring
15
Bellows Dome O-ring
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1.17.5
The Breathing System (Circle System)
Breathing System
Gas
monitoring
2
3
5
4
P
8
16
12
7
14
8
9
V
17
10
19
18
V
13
FIGURE 1-13 Breathing System, pneumatic diagram (See Table)
Parts - Breathing System, pneumatic
POSITION
DESCRIPTION
1
Patient's Y-piece
2
Side stream gas monitor
3
Inspiratory bacterial filter
4
Expiratory bacterial filter
5
Airway pressure monitor connection
6
Inspiratory valve (passive)
7
Expiratory valve (passive)
8
Flow sensor
9
Airway pressure limiting valve (APL)
10
Waste gas outlet
11
PEEP valve
12
Neg. Press. Rel. valve
13
Ventilator pneumatic control
14
CO2 absorber
15
Bellows
16
Decoupling valve
17
Bellows dome
18
Bellows valve
19
Reservoir / manual ventilation bag
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The Breathing System (Circle System)
1.17.5.1
Theory of Operation
CMV mode, inspiration
Tidal volume (T Vol.) is adjusted independently of the adjusted fresh gas flow. This is
achieved by fresh gas decoupling.
While the decoupling valve is closed, fresh gas from the source is diverted into the reservoir
bag, which remains in the circuit. Excess volume escapes through the APL valve into the
waste gas scavenger.
gas monitoring
decoupling valve
P
PEEP valve
V
when reservoir pressure
is > 2 mbar
V
bellows valve
MV3 ="1"
MV2 ="1"
MV4 ="1"
MV1 ="1"
FIGURE 1-14 Breathing System pneumatics, CMV mode, inspiration
1 - 30
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Theory of Operation
1.17.5.2
The Breathing System (Circle System)
CMV mode, expiration
As the patient exhales tidal volume into the expiratory limb fresh gas enters the bellows
through the open Decoupling Valve. Fresh gas mixes with exhaled gas after the Absorber
removes CO2. Excess fresh gas is stored in the reservoir bag. Expiratory pressures 2 cm
H2O above atmospheric pressure pass through the fully opened APL valve to be scavenged.
gas monitoring
decoupling valve
P
PEEP valve
V
when reservoir pressure
is > 2 mbar
V
bellows valve
MV3 ="0"
MV2 ="0"
MV4 ="0"
MV1 ="0"
FIGURE 1-15 Breathing System pneumatics, CMV mode, expiration
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The Breathing System (Circle System)
1.17.5.3
Theory of Operation
Manual mode, inspiration
As the anesthetist compresses the reservoir bag an internal pneumatic connection through
MV2 flows gas to the PEEP Valve diaphragm. Closing this valve allows airway pressure to
rise as the reservoir bag is compressed.
gas monitoring
decoupling valve
P
PEEP valve
V
when the set respiratory
pressure is attained
V
bellows valve
MV3 ="0"
MV2 ="0"
MV4 ="0"
MV1 ="0"
FIGURE 1-16 Breathing System pneumatics, manual mode, inspiration
1 - 32
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Theory of Operation
1.17.5.4
The Breathing System (Circle System)
Manual mode, expiration
As the anesthetist releases the reservoir bag a drop in airway pressure occurs at the PEEP
Valve diaphragm. Opening this valve allows expiratory flow through the peep valve.
gas monitoring
decoupling valve
P
PEEP valve
V
V
bellows valve
MV3 ="0"
MV2 ="0"
MV4 ="0"
MV1 ="0"
FIGURE 1-17 Breathing System pneumatics, manual mode, expiration
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The Breathing System (Circle System)
1.17.5.5
Theory of Operation
Spontaneous mode, inspiration
The patient inhales fresh gas from the fresh gas dosing system through the open Decoupling
valve. Excess fresh gas is stored in the reservoir bag. Expiratory pressures 2 cm H2O above
atmospheric pressure pass through the fully opened APL valve to be scavenged.
gas monitoring
P
decoupling valve
Neg. Press. Rel. air valve opens
at p < - 3 mbar
PEEP valve
V
when reservoir pressure
is > 2 mbar
V
bellows valve
MV3 ="0"
MV2 ="0"
MV4 ="0"
MV1 ="0"
FIGURE 1-18 Breathing System pneumatics, spontaneous mode, inspiration
1 - 34
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Theory of Operation
1.17.5.6
The Breathing System (Circle System)
Spontaneous mode, expiration
The patient exhales into the expiratory limb through the open PEEP valve. CO2 is removed
from exhaled gases to be mixed in the reservoir bag with fresh gas. Expiratory pressures 2
cm H2O above atmospheric pressure pass through the fully opened APL valve to be
scavenged.
gas monitoring
decoupling valve
P
PEEP valve
V
waste gas
V
bellows valve
MV3 ="0"
MV2 ="0"
MV4 ="0"
MV1 ="0"
FIGURE 1-19 Breathing System pneumatics, spontaneous mode, expiration
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The Breathing System (Circle System)
Theory of Operation
1.17.6
Breathing System components
1.17.6.1
Ventilation bellows system
The ventilator’s driving system can be described as a constant flow generator. The driving
gas of this generator fills the bellows dome to compress the bellows. The breathing gas is
pressed out of the bellows into the patient breathing circuit. Due to the weight of the
descending bellows, it is self-filling when the driving gas flow is stopped. The bellows valve
enables the escape of the driving gas to atmosphere.
1.17.6.2
Manual respiration bag / reservoir
In the manual mode this device acts as a normal breathing bag, enabling the user to ventilate
the patient manually. In mechanical ventilation mode, this bag acts as a reservoir for fresh
gas in the inspiration phase. In the expiratory phase the re-breathing gas and the fresh gas
are accumulated in this reservoir.
Detecting a leak
The reservoir bag and APL valve are integral parts of the circle system during mechanical
ventilation. With the APL valve set to the OPEN position, the pressure in the bag is
maintained at 2 cm H2O. If a leak were to occur, the bag would deflate breath by breath,
until it finally collapses. The breathing bag will collapse if the leak is greater than the fresh
gas flow.
1.17.6.3
CO2 absorber
The soda lime inside the absorber retains the carbon dioxide from the re-spired gas. The
Anestar uses standard sized PRE-PACs. The CO2 absorber can be removed from the
Breathing System and the PRE-PACs replaced, without the need to stop controlled mechanical
ventilation. While the absorber canister is detached the system continues controlled
ventilation and expels exhaled gas into the ambient room air.
The Anestar Breathing System only utilizes PRE-PACs. The Anestar S only utilizes loose-fill
CO2 absorbent.
1.17.6.4
Inspiratory and expiratory valves
To ensure gas flow direction to and from the patient, one-way-valves in the inspiratory limb
and expiratory limb are integrated inside the Breathing System. These valves are clearly seen
activating from the top of the Breathing System.
1.17.6.5
Airway pressure limiting valve
In the OPEN position the APL valve connects the re-breathing line to the scavenging line and
limits the reservoir pressure to a constant 2 cm H2O. In manual mode, the APL valve acts as
a normal spring loaded pressure relief valve, limiting the maximum pressure in the rebreathing system.
1 - 36
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Theory of Operation
1.17.6.6
The Breathing System (Circle System)
Airway pressure relief button
The airway pressure relief button is a push-to-engage pneumatic switch available to rapidly
discharge airway pressure should the need arise.
This feature is found only in the Anestar (not in the Anestar S).
1.17.6.7
Negative Pressure Relief
This valve eliminates the possibility of developing negative airway pressure that may result
from the filling of the descending bellows. In the unlikely loss of fresh gas flow, this valve
prevents any negative pressure in the patient circuit by sensing the bellow’s descent and
allowing ambient air (21% O2) to fill the bellows at atmospheric pressure. This valve ensures
that patient ventilation is always given the highest priority.
1.17.6.8
Membrane valves
During controlled ventilation, the membrane valves control the expiratory pressure, the
bellows dome outlet flow and fresh gas decoupling. These valves are controlled by
pressurized gas to open or close the valve’s path. All valves are open when not pressurized.
The pressurized drive gas for these valves is controlled by the ventilator’s MV1 - MV4
solenoids using a supply pressure of about 2.9 psi (200 mBar) of O2 from the ventilator’s low
pressure regulator.
NOTE:
1.17.6.8.1
Air is the driving gas for Anestar part number
0998-00-3012-00210
Status of the membrane valves
The membrane valves are pneumatically operated by solenoid valves. The following list
shows the correspondence between membrane valve, solenoid valve and pressure port.
DIAPHRAGM
VALVE
BELLOWS VALVE
EXPIRATORY
VALVE
DECOUPLING
VALVE
Controlled by
MV 1
MV 2
MV 4
MV 3
Connected to port #
5
1
3
6
In the following, the status of the diaphragm valves are shown corresponding to the selected
ventilation mode of the ventilator.
1.17.6.8.2
Ventilator in Standby
VALVE
MV 1
MV 2
MV 3
MV 4
Activity
OFF
OFF
OFF
OFF
Pressure on port
5, No
1, No
6, No
No supply of MV2
Anestar™ Systems Service Manual
0070-10-0526
1 - 37
The Breathing System (Circle System)
1.17.6.8.3
VALVE
Theory of Operation
Manual / spontaneous mode, inspiration and expiration
MV 1
MV 2
MV 3
MV 4
Activity
OFF
OFF
OFF
OFF
Pressure on port
5, No
1, No
6, No
No supply of MV 2
1.17.6.8.4
VALVE
CMV child / adult mode, inspiration
MV 1
MV 2
MV 3
MV 4
Activity
ON
ON
ON
ON
Pressure on port
5, Yes
1, Yes
6, Yes
Supply of MV 2
1.17.6.8.5
CMV child / adult mode, expiration
VALVE
MV 1
MV 2
MV 3
MV 4
Activity
OFF
OFF
OFF
OFF
Pressure on port
5, No
1, No
6, No
No supply of MV 2
1.17.6.8.6
CMV adult mode, expiration and PEEP
VALVE
MV 1
MV2
MV3
MV4
Activity
OFF
ON
OFF
ON
Pressure on port
5, No
1, Yes
6, No
Supply of MV2
1.17.6.8.7
Compliance test (options menu)
The Breathing System compliance test is divided into three phases
VALVE
MV 1
MV2
MV3
MV4
Phase 1: Flow into the re-breathing system and test of flow sensors.
Activity
ON
OFF
ON
ON
Pressure on port
5, Yes
1, No
6, Yes
No supply of MV2
Phase 2: Pressure increases up to test pressure for calculation of system compliance.
Activity
ON
ON
ON
ON
Pressure on port
5, Yes
1, Yes
6, Yes
Supply of MV2
Phase 3: Test of pressure loss.
1 - 38
Activity
ON
ON
ON
ON
Pressure on port
5, Yes
1, Yes
6, Yes
Supply of MV2
0070-10-0526
Anestar™ Systems Service Manual
Theory of Operation
1.17.6.8.8
VALVE
The Breathing System (Circle System)
Leak test (options menu)
MV 1
MV2
MV3
MV4
Activity
ON
OFF
OFF
OFF
Pressure on port
5, Yes
1, No
6, No
No supply of MV2
Anestar™ Systems Service Manual
0070-10-0526
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The Breathing System (Circle System)
Theory of Operation
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1 - 40
0070-10-0526
Anestar™ Systems Service Manual
2.0
Repair Information
Introduction
This chapter of the Service Manual provides the necessary technical information to perform
repairs to the instrument. The most important prerequisites for effective troubleshooting are a
through understanding of the instrument functions, as well as understanding the principles of
operation.
Anestar™ Systems Service Manual
0070-10-0526
2-1
Warnings and Precautions
2.1
Repair Information
Warnings and Precautions
In the event the instrument covers are removed, observe the following warnings and
guidelines:
2.1.1
2.1.2
2-2
Warnings
WARNING:
Whenever flowing anesthetic gases, nitrous oxide, oxygen,
or any hospital gas always follow the appropriate agent
evacuation/collection procedures. Use the hospital gas
evacuation system.
WARNING:
Use only approved lubricant on any O-ring in contact with
oxygen. Vac Kote® or Krytox® (U.S. Equivalent to Fomblin)
are recommended oxygen service lubricants. Krytox is
distributed by MediVac Technologies. Vac Kote is distributed
by Ball Aerospace and Technologies Corp.
Precautions
CAUTION:
This device operates using compressed gas at high
pressures. When attaching emergency gas tanks always
open tank valves slowly, watching the cylinder gauge
indicate the tank pressure. When disconnecting tanks
always close valves slowly. Use the Anestar flow meters to
bleed down the pressure, watching the cylinder gauge
indicate the depleting tank pressure, before disconnecting
the tank from the yoke. Always open and close tank valves
fully.
CAUTION:
This device operates using compressed gas at high
pressures from the hospital central supply. When connecting
gas supply lines attach the hose connection to the machine
before connecting the quick disconnect fitting to the hospital
source. Disconnect the supply hose from the hospital source
connection prior to disconnecting it from the Anestar gas
connection fittings.
0070-10-0526
Anestar™ Systems Service Manual
Repair Information
2.2
Troubleshooting Guidelines
Troubleshooting Guidelines
1. Identify the problem — Due to the wide variety of potential symptoms, certain
problems may be more subtle than others. Following the guidelines of the tests will help
determine the problem, if one exists.
2. Avoid shorting component leads together — During repair procedures, it can
be tempting to make a quick series of measurements. Always turn the power off before
connecting and disconnecting the test leads and probes. The accidental shorting of
leads can easily stress the components and cause a second failure (aside from the safety
risk).
3. Use the proper equipment — The equipment listed below is suggested to fulfill a
wide range of troubleshooting requirements. It is imperative to use the designated
equipment in order to ensure proper results of any and all test procedures.
4. Clean up the repair area — After any repair, clean off the repair area.
Anestar™ Systems Service Manual
0070-10-0526
2-3
Troubleshooting Chart
2.3
Repair Information
Troubleshooting Chart
The following table shows the reaction to a failed fuse on the power supply board. The
information given indicate failures at startup and during mechanical ventilation.
2.3.1
Common symptoms and corrective actions for field service
technicians
MESSAGE/PROBLEM
REASON
SOLUTION
Compliance Test leak > 300 ml/min.
EXPLANATION: The leak is between
decoupling and expiratory
diaphragm valves
O2 cell O-ring
Replace leaky O2 cell diffuser Oring
Breathing circuit leaks
Replace breathing circuit
Leak Test leak > 300 ml/min.
EXPLANATION: With the Compliance
Test Passed, the leak is in the
expiratory limb between the
decoupling and expiratory
diaphragm valves
Hand tighten
Leaking bellows or dome
Replace bellows
Leaky docking station O-ring
(C, F or G)
See Section 3.0 for Docking Station
O-ring locations
2.9 psi regulator out of cal (too low)
Check/calibrate Pressure
APL valve not set to MAX
Set to MAX (Pressure)
Cracked CO2 absorber canister
Replace if cracked
Reservoir bag is attached
Connect Y-piece to bag arm
Breathing circuit leaks
Replace breathing circuit
Vaporizers open or leaking
Set vap dial to 0, or remove vaps
Leaky docking station O-rings
(A or E)
See Section 3.0 for Docking Station
O-ring locations
Compliance Test Complete Leak Rate
> 600 ml/min. Press ENTER to
continue
The ventilator will compensate for
whatever leak exists.
No action required
Pressure reading out of tolerance
Backpressure in the reservoir bag
causes the Compliance Test to fail
Remove the reservoir bag or relieve
the pressure in the bag. and redo
the Compliance Test.
Compliance Test results in Flow Error
Bag arm port blocked
Attach bag to ensure no airway
pressure
29 psi Regulator out of spec
(too high)
Calibrate the 29 psi regulator
Prop Valve cal out of spec
Calibrate: Int Flow, PV ADC,
Charac PV
Defective prop valve
Replace Prop Valve; redo
calibration steps
P1 and P2 out of spec with breathing
circuit removed. (diagnostic screen)
Ensure P1 and P2 values are 0.0 +/
- 0.4
Ambient Air Intake OBSERVATION:
The Negative Pressure Relief Valve is
NOT moving while message is
displayed. Negative baseline
pressure is viewed while in Manual
mode with no breathing circuit
connected.
2-4
Loose valve rings
Calibrate P1 and P2 as necessary
per sections 5.4.3.2 and 5.4.3.3
0070-10-0526
Anestar™ Systems Service Manual
Repair Information
Troubleshooting Chart
MESSAGE/PROBLEM
REASON
SOLUTION
OBSERVATION: Peep pressure
changes without being set.
Scavenge path may be blocked
Drain water from/check path of
scavenger hose
Defective APL or worn rubber
membrane
Replace APL valve and/or
membrane
Fresh gas flow rates higher than 10
liters/min.
The ventilator's intrinsic PEEP is 2
cm H2O
Clogged expiratory filter
Replace clogged filter
OBSERVATION: Breathing System not
heating up. No screen messages.
Defective Solid State Relay
Replace SSR
Defective power supply assembly
Replace PSA
Fan Error
X9 connector on AVM 3-1 unplugged
Plug it in
Fan Broken
Inspect it
No Temp message
Flow/Volume readings not available
OBSERVATION: Ventilator
CONTINUES with no tidal volume or
minute volume readings displayed.
Flow/Volume readings not available.
OBSERVATION: Ventilator STOPS.
Anesthetist may need to assist patient
by manual ventilation.
OBSERVATION: No airway pressure
displayed during manual ventilation.
OBSERVATION: Can't Remove
Breathing System with OPTIONS
control key
Anestar™ Systems Service Manual
Defective Module 2 (AVM3-1)
Replace it
X7 connector on AVM 3-1 unplugged
Plug it in
Docking Station connector broken
Inspect it
Broken temp sensor inside breathing
system
Replace it
Defective Module 2 (AVM3-1)
Replace it
X7 connector on AVM 3-2 unplugged
Plug it in
Docking Station connector broken
Inspect it
Broken (ext) flow sensor inside
breathing system
Replace it
Defective Module 2 (AVM3-2)
Replace it
X5 connector on AVM 3-2 unplugged
Plug it in
Broken (int) flow sensor inside Anestar
enclosure
Replace it
X3 connector on AVM 3-2 unplugged
Plug it in
Broken proportional valve inside
Anestar enclosure
Replace it
Defective Module 2 (AVM3-2)
Replace it
X11 connector on AVM 3-2 unplugged
Plug it in
Pressure not reaching P1 and P2
pressure transducers
Inspect pneumatic connections from
Breathing System to P1 and P2
Broken connection to solenoid valves
(MV1-4) inside Anestar enclosure
Inspect it
Loss of 2.9 psi from pressure regulator
Check it. See 5.4.2
Defective Module 2 (AVM3-2)
Replace it
Screen key doesn't activate
Hold the screen key depressed for 5
seconds
No drive gas pressure
Attach Drive Gas
No AC connected
Attach AC, breakers and internal
fuses
The inline connector (red and blue wire)
is unplugged
Plug it in
Loss of 31 volt supply
Check it at Power supply connector
X16. See 1.10.2
0070-10-0526
2-5
Troubleshooting Chart
Repair Information
MESSAGE/PROBLEM
REASON
SOLUTION
OBSERVATION: Anestar is plugged
into AC power. AC power lost using
battery
Check AC voltage, breakers and
internal fuses
Plug it in. Check them out
Check F8 and F9 fuse on power supply
pc board
Replace it
Defective Mains Switch
Replace it
OBSERVATION: The Breathing System
is fully engaged into the Docking
Station. Insert Breathing System
appears on line voltage operation but
not on battery operation.
Check that line voltage is attached
Plug it in
Check F10 and F11 fuse on power
supply pc board
Replace it
Patient Module doesn't heat up.
(Troubleshoot in conditions defined in
section 5.4.2; In this screen, the
Anestar will heat to a worst-case max
temp of 55°C. The Anestar S will
reach 60°C and open the Over-Temp
sensor. Normally the temperature is
servo controlled.
No 24VAC across two male banana
jacks at the Docking Station
Suspect Solid State Relay or overtemp cutoff switch is open
24VAC ok, 18VDC ok
Check wiring continuity to SSR
No 18vdc across pins 3 and 4 on X17
on the power supply pc board. (Toggle
HEAT, ON and OFF in MISC diagnostic
screen)
Suspect power supply pc board
Over-Temp sensor is always open
Jump out the Over-Temp sensor
The STOP button does not activate the
switch
Suspect the STOP switch is not
being fully engaged - may be
defective. See #2
Pressing STOP button stops the motor
but does not light the screen indicator
Tighten the STOP switch into the
docking station
Insert Breathing System displayed
with the Breathing System attached
tightly to the Docking Station. (Section
5.0, Motor Control screen utility)
2.3.2
Common Anestar Messages
MESSAGE/PROBLEM
REASON
SOLUTION
Compliance Test Passed Leak Rate <
300ml/min Press ENTER to continue
The compliance test has passed
No action required
Compliance Test Complete Leak Rate
between 300-600ml/min Press
ENTER to continue
The ventilator will compensate for
whatever leak exists
No action required
Compliance Test Complete Leak Rate
> 600ml/min Press ENTER to
continue
The ventilator will compensate for
whatever leak exists
No action required
Pressure reading out of tolerance
Backpressure in the reservoir bag
causes the Compliance Test to fail
Remove the reservoir bag or relieve
the pressure in the bag. and redo
the Compliance Test.
Leak rate too high
A significant leak is detected
1
No drive gas, system vented
2
3
4
5
6
7
8
2-6
0070-10-0526
Thread down the O2 cell and
press it down into its mount
Replace the breathing circuit
Cap the sample line leading to
the agent monitor
Cap the Recirculation Port (if
installed) located behind the
auxiliary O2 flowmeter
Leaking O-rings at y-piece seal
Inspect bellows dome O-ring
Check Neg. Pressure relief
valve membrane is present
Tighten INSP and EXSP ring
Anestar™ Systems Service Manual
Repair Information
Troubleshooting Chart
MESSAGE/PROBLEM
REASON
SOLUTION
System resistance is too high
The ventilator can't compensate for a
breathing circuit either too long or
blocked
1
2
Compliance out of range
System pressurized
OBSERVATION: Tidal Volume lower
than the setting by more than 10%.
OBSERVATION: Reservoir bag is not
inflated
3
There is a leak in the machine-patient
interface
1
2
3
OBSERVATION: Check for system
leaks after changing CO2 absorbent
or after mounting vaporizers.
Perform a manual leak test
1
2
3
4
OBSERVATION: A leak causes
pressure to bleeds down too quickly
during manual leak test. The
Compliance Test Passes.
A leak in the expiratory limb is large
enough to not hold pressure
1
2
3
4
5
6
7
Leak Test Complete …
The Leak Test is designed for field
service technicians. Anesthetists should
perform a standard manual leak test.
1
2
3
4
Replace the breathing circuit
Connect a breathing bag to
the bag arm
Re-run the Compliance Test.
Ensure adequate trachea tube
cuff inflation
Re-do the Compliance Test with
the current breathing circuit
Replace breathing circuit and
redo Compliance Test
Set APL valve to 80
Block the Y-piece
Fill the bag with gas and
squeeze
Check that the gauge holds
pressure
Verify bag fits tightly on bag
arm
Verify APL valve is closed (80)
Verify vaporizer dial set to
zero (0)
Verify APL O-ring is metal-side
up
Check CO2 canister is not
cracked and an O-ring is
present
Remove and re-seat Breathing
System if a hissing sound is
heard near Breathing System's
handles
Call Service to schedule
preventive maintenance visit
Set APL valve to 80
Block the Y-piece
Fill the bag with gas and
squeeze
Check that the gauge holds
pressure
Ambient Air Intake
A vacuum greater than 2 cm H2O is
detected during exhalation. Room air is
filling the vacuum.
1
2
3
Check patient
Increase fresh gas flow
Visually check for leaks
OBSERVATION: Any alarm limit
violation message
Address the clinical reason why the
patient parameter exceeds the alarm
limit or reset the alarm limit by following
the order of the solution column.
1
Press MUTE to silence the
alarm
Press ALARM LIMITS
Press the bar graph number
that is being exceeded
Press the UP or DOWN arrow
to set the limit so that it does
not exceed the patient
parameter reading
Press ENTER to set the new
alarm limit.
2
3
4
5
FiO2 lower than alarm limit
OBSERVATION: No digital display in
FiO2 area
Anestar™ Systems Service Manual
Loss of signal from O2 cell to Anestar
0070-10-0526
Press one end of the O2 cell cable
into the O2 cell and the other end
into the machine's connector
2-7
Troubleshooting Chart
Repair Information
MESSAGE/PROBLEM
REASON
SOLUTION
OBSERVATION: No oxygen flow is
available from the auxiliary O2
flowmeter
Oxygen is likely not connected to the
flowmeter
Plug the green hose coming from
the Auxiliary flow meter, into the
mating oxygen port on the rear of
the machine above where the
oxygen hose is connected
OBSERVATION: No vacuum flow is
available from the patient suction
regulator
VAC is likely not connected to the
suction regulator
Plug a vacuum hose to the suction
regulator port on it's mounting arm.
Insert Breathing System FAILSAFE
OPERATION: In the unlikely event of
the Breathing System being left
disconnected after sterilization
Follow the order of the solution column
1
2
3
4
5
FAILSAFE OPERATION: In the unlikely
event of loss of display or ventilator
control
Follow the order of the solution column
to continue to manually assist the
patient's ventilation and restart the
ventilator.
1
2
3
4
5
6
7
8
2-8
0070-10-0526
Set the vent dial to Standby
Grip the Breathing System with
both hands
Pull the Breathing System out
from the Docking Station about
one inch
Firmly push the Breathing
System into the Docking
Station until the motorized
action draws it in
automatically
Observe the Insert
Breathing System message
change to Standby.
Turn Mains switch OFF and
ON
Set fresh gas flow controllers
for patient need
Set vaporizer dial to desired
setting for patient
Adjust APL valve to desired
setting for patient
Manually assist patient
ventilation as necessary
Set the ventilator dial to
desired ADULT or CHILD
setting
Press PRESS HERE TO
START the ventilator
Conduct the Compliance Test
when convenient (30 seconds).
Anestar™ Systems Service Manual
Repair Information
2.4
Special Tools Required
Special Tools Required
ITEM
PART NUMBER
DESCRIPTION
1
0070-00-0597
Anestar Operating Instructions
2
0070-00-0660-01
Anestar Plus/Anestar S Operating
Instructions
3
0070-00-0541-01
Anestar Op/Service Manual
4
0070-00-0541-02
Anestar Systems Ops/Service Combo
Manual
5
no part number
Vaporizer Instruction Manual
6
no part number
Pressure Meter
0-80 cm H20, +/-5%
7
no part number
Safety Analyzer
Dempsey 430 or equivalent
8
no part number
Digital Volt Meter
3 1/2 digit
9
no part number
Calculator
10
0138-00-0014
Temperature Simulator
SPECIFICATION
0 and 60 Degrees C
11
no part number
Mass Flow Meter
0-100 L/min. +/- 2% of reading.
12
no part number
Agent (and N2O) Analyzer
+/- 0.3 V/V% + 5% of reading
0-1Liter. +/- 5% of reading.
13
no part number
Respirometer
14
0138-00-0012
Test Lung, Adult
15
no part number
High Pressure Gauge
0-60 psig +/- 5% of reading
16
no part number
Low Pressure Gauge
0-5 psig +/- 0.1 psi
17
0008-04-0002
Test tubing per foot
18
0008-00-0341
3 mm ID
1 Meter length
19
not applicable
Central supplied O2, N2O, Air
Min. 35 psi, DISS connections.
20
not applicable
Tank gases O2, N2O, Air
Full PISS yoke connections.
21
not applicable
Connection hoses O2, N2O, Air
22
no part number
Hand tools, Allen wrench set
Metric
23
no part number
Protective gloves
24
no part number
Surface cleaner
25
0367-00-0080
Tank Wrench
26
0040-00-0372
Gasket Set
27
0103-00-0516
Docking Station test adapter
Datascope Specification
28
0103-00-0508
Pneumatic Y-Fitting Y-port
15 mm connection
29
0004-00-0076
Breathing Tube (2 required)
0.6 meter silicone, 15 mm
30
0992-00-0139
Reservoir Bag
2.3 L silicone
31
0510-00-0020
Krytox Lubricant
32
0004-00-0051
Pressure tubing
1 foot length
33
0008-00-0337
Poly tube, green
6 mm, 10 inch length
34
0103-00-0521
Tee fitting
6 mm, push-in style
35
0684-00-0182
Catheter Extender
Single
36
0103-00-0398-01
Male Lure (2 required)
37
0510-00-0016
High Vacuum Grease
Anestar™ Systems Service Manual
0070-10-0526
2-9
Disassembly Instructions
Repair Information
2.5
Disassembly Instructions
2.5.1
Connecting and disconnecting vaporizers
1. To connect the vaporizer, place it carefully onto the vaporizer manifold. The manifold is
a Selectatec style.
2. Lock the vaporizer with the locking lever 1/4 turn to the fully-locked position.
3. Only vaporizers with Interlock-System may be used with this system.
4. After each exchange of a vaporizer, perform a Leak Test.
2.5.2
Removing the auxiliary O2 Flowmeter
1. Unthread the flowmeter at the connection to the machine.
2. Connect a flowmeter in the reverse order.
2.5.3
Removing the compressed Gas Tanks
1. Ensure that the tank is closed.
2. Rotate the hand-tight knob that retains the tank against the port seat.
3. Flip the swiveling yoke collar 180 degrees.
4. Grip the tank firmly and remove it from the yoke.
5. Connect a new tank in reverse order, ensuring a single tank washer is present on the
yoke port seat.
2.5.4
Removing the Waste Gas Scavenger
1. Remove the waste hose from the waste gas scavenger.
2. Remove the two screws while holding the scavenger assembly.
3. Remove the assembly.
4. Reinstall in reverse order.
2 - 10
0070-10-0526
Anestar™ Systems Service Manual
Repair Information
2.5.5
Disassembly Instructions
Removing the Breathing System
1. Remove the CO2 absorber dome and pre-packs.
2. Remove the bellows dome and bellows.
3. Remove the O2 cell cable from the O2 cell.
4. Remove the APL valve cable from the Docking Station if applicable.
5. Remove the scavenger hose.
6. Remove the breathing circuit.
7. (ANESTAR) Enter the OPTIONS window in the operating STANDBY mode. AC Power
and Drive Gas are required.
8. (ANESTAR) Select UNLOCK and remove the Breathing System using the handles.
9. (ANESTAR) Enter the MOTOR screen in the TEST menu of the Service Program Main
menu. AC Power is required.
10. (ANESTAR) Select UNLOCK and remove the Breathing System using the handles.
11. (ANESTAR S) Turn the locking handle 90 degrees to the unlock position and remove the
Breathing System.
2.5.6
Removing the CO2 Absorber Canister
1. (ANESTAR) To release the absorber canister from the Breathing System, turn the unit
counter-clockwise and unscrew the unit (ANESTAR, 1/4 turn; ANESTAR S, multiple
turns).
2. Once released, remove the CO2 absorbent (ANESTAR, Pre-Pak; ANESTAR S, loose fill).
2.5.7
CAUTION:
Spent soda lime changes in color. Replace the soda lime if
approximate 2/3 of the absorber content is discolored. CO2
absorbent can be safely changed without stopping
mechanical ventilation.
NOTE:
The discoloration of the spent soda lime disappears again
after some time if it has not been used. If used again, the
color discoloration returns. Dry soda lime becomes
malabsorbent.
Removing the Bellows and Dome System
1. Turn the unit counter-clockwise and unscrew the unit 1/4 turn.
2. Once released, remove the silicone bellows by pulling it down from the Breathing
System fitting.
Anestar™ Systems Service Manual
0070-10-0526
2 - 11
Disassembly Instructions
2.5.8
Repair Information
Removing the Airway Pressure Limiting Valve (APL)
1. Unplug the APL valve cable from the docking station, if so equipped.
2. Unscrew the union nut. The top section can now be removed.
3. The membrane can be removed from the bottom section and replaced, if necessary.
4. The membrane is placed back into the bottom section with the metal facing upwards.
5. Replace the top part of the Airway Pressure Limiting valve by lining up the index line in
its correct orientation.
6. Secure with union nut.
NOTE:
2.5.9
The spring in the top of the APL valve may not be stressed.
After removal from the bottom section place the top section
to one side, taking care that the spring is not unduly loaded.
Inspecting/replacing the Decoupling and Expiratory Valve
Membrane
1. To replace the Breathing System rear side valves’ membrane, undo the coupling nut.
2. After removing the coupling sleeve, the membrane’s metal seat can be pulled out of the
valve exposing the membrane.
3. Inspect and/or replace the silicone membrane, ensuring no crack or deformity that
would cause a leak. Note the orientation of the membrane onto the membrane seat.
4. Assemble in reverse order.
NOTE:
2.5.10
During transportation of the Breathing System, protect the
rear component from damage.
Disassembling the Negative Pressure Relief, Inspiration, and
Expiration Valves
1. To dismantle the valves, the coupling ring must be unscrewed from the valve body. The
valve cover can now be removed.
2. The O-ring and the metal baskets in the expiration or inspiration valve can now be
removed. The valve plate can be removed. Assemble in reverse order.
3. The membrane of the emergency air valve can be carefully removed from the valve body
after removing the coupling ring and the valve cover. Assemble in reverse order.
4. The O-rings of the valve bodies have only to be exchanged if the valves were pulled out
of the Breathing System’s top.
2 - 12
0070-10-0526
Anestar™ Systems Service Manual
Repair Information
2.5.11
Disassembly Instructions
Removing the Flow Meter Block
1. Disconnect all sources of pressurized gas.
2. Remove the screws holding the swinging rear access panel.
3. Remove the inner access panel at the inside top left.
4. Remove the protective bar covering the flow control valve.
5. Remove the flow control valve knobs.
6. Remove the screw holding the Flow Meter Block.
7. Remove the green, yellow and blue hose connections as necessary to free the Flow
Meter Block.
8. Disconnect backlight cable.
9. Remove the Flow Meter Block as a single unit.
10. Reinstall in the reverse order.
2.5.11.1
Removing the O2 or Air Flow control needle valve
1. Remove the protective bar covering the flow control valve.
2. Remove the flow control valve knob.
3. Do not remove the Flow Meter Module.
4. Remove the needle valve assembly from the front of the Anestar. Use a wrench to
unthread the valve assembly taking care not to scratch the front panel.
5. Install the needle valve assembly in the position it comes out of the box. Do not rotate the
shaft.
6. Rotate the knob clockwise until the raised dimple on top of the bonnet nut rests against
the knob's internal notch. With the knob resting against the bonnet dimple, tighten down
the allen screw that secures the knob to the shaft.
7. Reinstall the protective bar.
2.5.12
Removing the Flow Tubes
1. Remove the Gas Block Module.
2. Remove the spring-loaded flow tubes by pushing it up and removing from the bottom.
3. Reinstall in reverse order.
2.5.13
Removing the Module 2 Circuit Board Set
1. Disconnect AC power.
2. Remove the cables connecting the Module 2 circuit boards to the Anestar.
3. Remove the three nuts holding the Module 2 to the enclosure.
4. Remove the Module 2 circuit boards as a module.
5. Reinstall in reverse order.
Anestar™ Systems Service Manual
0070-10-0526
2 - 13
Disassembly Instructions
2.5.14
Repair Information
Removing the Power Supply Module
1. Disconnect AC power.
2. Remove the cables connecting the power supply module to the rest of the Anestar.
3. Remove the screws holding the board/module to the access panel.
4. Remove the power supply as a module.
5. Reinstall in reverse order.
2.5.15
Removing the Pressure Gauges
1. Remove the Gas Block Module.
2. Remove the metal compression fittings from the gauge.
3. Remove the gauges from the front panel enclosure.
4. Reinstall in reverse order.
5. Connect gas supplies to each gauge. Observe and test compression fittings for leaks.
2.5.16
Remove Module 1 Circuit Board Set
1. Remove the Module 2 circuit board set.
2. Remove the cables connecting the Module 1 circuit boards to the rest of the Anestar.
3. Remove the screws holding the Module 1 to the Front Plate of the enclosure.
4. Remove the Module 1 circuit boards as a module.
5. Reinstall in reverse order.
2.5.17
Removing Internal Regulators, Proportional Valve and Flow Divider
1. Disconnect all sources of pressurized gas.
2. Remove the access panel attached to the yoke assembly.
3. Remove the screws holding the swinging rear access panel.
4. Disconnect each gas hose and electric cable running between each section.
5. Disconnect the top section from the middle section by disconnecting fasteners.
6. Remove the top section exposing the internal regulators and proportional valve. Replace
the targeted component. Replace each hose and cable.
7. Reconnect hoses and cables to the new component.
8. Rebuild in reverse order.
9. Apply gas pressure and power to functional test prior to final button-up.
2 - 14
0070-10-0526
Anestar™ Systems Service Manual
Repair Information
2.5.18
Disassembly Instructions
Instructions for Removing and Installing the Docking Station Port:
1. Remove the Breathing System from the Docking Station.
2. Locate the docking port(s) that needs to be replaced.
3. Using a socket wrench, needle-nose vice-grip pliers or similar tool, turn the original port
counterclockwise to remove.
4. Remove all residual thread compound from the docking port's threads using a sharp
tipped thread cleaning tool.
5. Connect unit to a supply of compressed oxygen.
6. Activate the flush button for a few seconds to ensure the loosened particles are released
from the pen port(s).
7. Repeat cleaning and flushing of the ports until the residue is removed.
8. Apply a bead of silicon lubricant around the smaller (internally placed) o-ring of the new
port.
9. Insert the new port into the docking station using a screwdriver. Turn the port clockwise
until it stops.
10. Turn the port (back) counterclockwise ½ a rotation.
11. Confirm that the new docking port has some radial play for easy alignment of the
patient module.
12. Lubricate all of the external docking station port o-rings with a coat of Krytox lubricant or
equivalent.
13. Reinstall the Breathing System.
14. Perform the compliance test, automatic leak test and manual leak test prior to completing
the Anestar Functional Checkout.
Anestar™ Systems Service Manual
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Disassembly Instructions
Repair Information
This page intentionally left blank.
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3.0
Diagrams
The following pages include detailed pneumatic diagrams related to the Anestar/Anestar S
Anesthesia machines. Key parts and accessories are indicated by numbered balloons.
Anestar™ Systems Service Manual
0070-10-0526
3-1
Anestar Pneumatic Circuit, O2 Drive
Anestar Pneumatic Circuit, O2 Drive
3-2
3.1
Pressure
Reservoir
O2 Valve
A
I
R
(OFF)
Wall Pressure Gauge
50psi
29 psi
> One Way Valves >
AIR Flow Control
AIR
50psi
N2O Cutoff Valve
34.8 psi - 43.5 psi
N2O Flow Control
(ON)
Pressure switch
50psi
29 psi
Mains Switch
To Module 2
(ON)
O2
N
2
O
(Ratio System)
N2O
O2 FLUSH
(OFF)
O2 Flow Control
29 psi
45 psi
Filters
0070-10-0526
O
2
2.9 psi
Cylinder Gauges
45 psi
Over Pressure Relief
100 cmH2O
45 psi
Auxilliary O2
Flowmeter
750 psi
Atmosph.
(1)
MV4
(1)
1000 psi
(0)
(C)
to P1 & P2
(Module 2 pcb)
(0)
MV3
(C)
(1)
Insp. Port
O2
MV1
Atmosph.
(0)
(C)
Air Valve
Decoupling Valve
Pressure
Insp
1000 psi
(1)
Patient
Conection
MV2
(C)
(0)
CO2
Absorber
DES
Exp. Port
O
2
Expir
SEV
PEEP
Valve
Wall Flow = 25 L/min
Flow
Ext. Flow Sensor
APL
Valve
To Module 2
Proportional
Valve
Int. Flow Sensor
Flow Devider
Bellows
Valve
Atmosph.
FIGURE 3-1 Pneumatic circuit for the Anestar with oxygen drive gas
Diagrams
Anestar™ Systems Service Manual
N
2
O
A
I
R
Anestar Pneumatic Circuit, Air Drive
Diagrams
Anestar™ Systems Service Manual
3.2
Pressure
Reservoir
O2 Valve
A
I
R
(OFF)
Wall Pressure Gauge
50psi
29 psi
> One Way Valves >
AIR Flow Control
AIR
50psi
N2O Flow Control
N2O Cutoff Valve
34.8 psi - 43.5 psi
(ON)
Pressure switch
50psi
29 psi
Mains Switch
To Module 2
N
2
O
(Ratio System)
N2O
(ON)
O2 FLUSH
(OFF)
O2
O2 Flow Control
45 psi
Filters
29 psi
0070-10-0526
O
2
2.9 psi
Cylinder Gauges
45 psi
Over Pressure Relief
100 cmH2O
45 psi
Auxilliary O2
Flowmeter
750 psi
Atmosph.
MV4
(1)
1000 psi
(0)
(C)
to P1 & P2
(Module 2 pcb)
(1)
(0)
MV3
(C)
(1)
Insp. Port
O2
MV1
Atmosph.
(0)
(C)
Air Valve
Decoupling Valve
Pressure
Insp
1000 psi
(1)
Patient
Conection
MV2
(C)
(0)
CO2
Absorber
DES
Exp. Port
O
2
Expir
SEV
PEEP
Valve
Wall Flow = 25 L/minu
APL
Valve
Flow
Ext. Flow Sensor
To Module 2
Proportional
Valve
Int. Flow Sensor
Flow Devider
Bellows
Valve
Atmosph.
FIGURE 3-2 Pneumatic circuit for the Anestar with air drive gas
3-3
Anestar Pneumatic Circuit, Air Drive
N
2
O
A
I
R
Anestar Docking Station Pneumatic Connections
F
O2 Flush
O2 Source
B
29 PSI
Drive Gas
Atmosph.
MV4
2.9 PSI
MV1
MV3 Atmosph.
G
Air Valve
Fresh Gas
Decoupling Valve
Insp
CO2
Absorber
C
0070-10-0526
APL
Valve
Ext. Flow Sensor
H
Bellows
Valve
Flow Divider
D
E
B
D
C
Patient Module
Int. Flow Sensor
Proportional
Valve
A
A
Expiratory
Valve
Expir
Anestar Docking Station Pneumatic Connections
3-4
3.3
H
E
F
G
FIGURE 3-3 Anestar Docking Station Connections
Diagrams
Anestar™ Systems Service Manual
Docking Station Ports
Anestar S Pneumatic Circuit, O2 Drive
Diagrams
Anestar™ Systems Service Manual
3.4
Pressure
Reservoir
O2 Valve
A
I
R
(OFF)
Wall Pressure Gauge
50psi
> One Way Valves >
AIR Flow Control
29 psi
AIR
50psi
N2O Flow Control
N2O Cutoff Valve
34.8 psi - 43.5 psi
(ON)
Pressure switch
50psi
29 psi
Mains Switch
To Module 2
(ON)
O2
N
2
O
(Ratio System)
N2O
O2 FLUSH
(OFF)
O2 Flow Control
45 psi
Filters
29 psi
Cylinder Gauges
45 psi
O
2
2.9 psi
Over Pressure Relief
(1)
0070-10-0526
1000 psi
100 cmH2O
45 psi
Auxilliary O2
Flowmeter
750 psi
(C)
to P1 & P2
(Module 2 pcb)
Atmosph.
MV4
(0)
(1)
(0)
MV3
(C)
(1)
(0)
Insp. Port
O2
MV1
Atmosph.
(C)
Air Valve
Decoupling Valve
Pressure
Insp
1000 psi
(1)
Patient
Conection
(C)
Door Down = FGF to
Breathing System
MV2
(0)
Door Up = FGF
to Outlet
CO2
Absorber
DES
Exp. Port
O
2
N
2
O
A
I
R
Expir
Common
Gas
Outlet
SEV
PEEP
Valve
Wall Flow = 25 L/minute
APL
Valve
Flow
Ext. Flow Sensor
To Module 2
Proportional
Valve
Int. Flow Sensor
Flow Devider
Bellows
Valve
FIGURE 3-4 Pneumatic circuit for the Anestar S with oxygen drive gas
3-5
Anestar S Pneumatic Circuit, O2 Drive
Atmosph.
Anestar S Pneumatic Circuit, Air Drive
Anestar S Pneumatic Circuit, Air Drive
3-6
3.5
Pressure
Reservoir
O2 Valve
A
I
R
(OFF)
Wall Pressure Gauge
50psi
29 psi
> One Way Valves >
AIR Flow Control
AIR
N2O Cutoff Valve
50psi
34.8 psi - 43.5 psi
N2O Flow Control
(ON)
Pressure switch
50psi
29 psi
Mains Switch
To Module 2
N
2
O
(Ratio System)
N2O
(ON)
O2 FLUSH
(OFF)
O2
O2 Flow Control
45 psi
Filters
29 psi
Cylinder Gauges
45 psi
O
2
2.9 psi
Over Pressure Relief
0070-10-0526
(1)
1000 psi
100 cmH2O
45 psi
Auxilliary O2
Flowmeter
750 psi
(C)
to P1 & P2
(Module 2 pcb)
Atmosph.
MV4
(0)
(1)
(0)
MV3
(C)
(1)
(0)
Insp. Port
O2
MV1
Atmosph.
(C)
Air Valve
Decoupling Valve
Pressure
Insp
1000 psi
(1)
Patient
Conection
(C)
Door Down = FGF to
Breathing System
MV2
(0)
Door Up = FGF
to Outlet
CO2
Absorber
DES
Exp. Port
O
2
N
2
O
A
I
R
Expir
Common
Gas
Outlet
SEV
PEEP
Valve
Wall Flow = 25 L/minute
APL
Valve
Flow
Ext. Flow Sensor
To Module 2
Proportional
Valve
Int. Flow Sensor
Flow Devider
Bellows
Valve
FIGURE 3-5 Pneumatic circuit for the Anestar S with air drive gas
Diagrams
Anestar™ Systems Service Manual
Atmosph.
Anestar S Docking Station Pneumatic Connections
F
O2 Flush
O2 Source
Diagrams
Anestar™ Systems Service Manual
3.6
B
29 PSI
Drive Gas
Atmosph.
MV4
2.9 PSI
MV1
MV3 Atmosph.
G
Air Valve
Fresh Gas
Decoupling Valve
Insp
CO2
Absorber
Expir
APL
Valve
0070-10-0526
Ext. Flow Sensor
H
Patient Module
Int. Flow Sensor
Bellows
Valve
Flow Divider
Proportional
Valve
D
E
D
A
H
E
Docking Station Ports
FIGURE 3-6 Anestar S Docking Station Connections
F
G
3-7
Anestar S Docking Station Pneumatic Connections
B
A
Expiratory
Valve
Anestar Pneumatic Circuit, O2 Drive with N2O/Air Switch
Anestar Pneumatic Circuit, O2 Drive with N2O/Air Switch
3-8
3.7
Pressure
Reservoir
O2 Valve
A
I
R
(OFF)
Wall Pressure Gauge
50psi
Air Cutoff (OFF)
29 psi
> One Way Valves >
AIR Flow Control
AIR
N2O/Air Switch
N2O Flow Control
50psi
29 psi
Pressure switch
50psi
(ON)
O2
N2O Cutoff (ON)
29 psi
Mains Switch
To Module 2
N
2
O
(Ratio System)
N2O
O2 FLUSH
(OFF)
O2 Flow Control
45 psi
Filters
29 psi
Cylinder Gauges
45 psi
O
2
2.9 psi
0070-10-0526
Over Pressure Relief
(1)
1000 psi
100 cmH2O
45 psi
Auxilliary O2
Flowmeter
750 psi
(C)
to P1 & P2
(Module 2 pcb)
Atmosph.
MV4
(0)
(1)
(0)
MV3
(C)
(1)
(0)
Insp. Port
O2
MV1
Atmosph.
(C)
Air Valve
Decoupling Valve
Pressure
Insp
1000 psi
(1)
Patient
Conection
(C)
MV2
(0)
CO2
Absorber
DES
Exp. Port
O
2
N
2
O
A
I
R
Expir
SEV
PEEP
Valve
Wall Flow = 25 L/minute
APL
Valve
Flow
Ext. Flow Sensor
To Module 2
Proportional
Valve
Int. Flow Sensor
Bellows
Valve
Flow Devider
FIGURE 3-7 Pneumatic circuit for the Anestar with oxygen drive gas and N2O/Air switch
Diagrams
Anestar™ Systems Service Manual
Atmosph.
4.0
Replacement Parts and Accessories
4.1
Diagrams
The following pages include detailed drawings related to the Anestar Anesthesia machine.
Key parts and accessories are indicated by numbered balloons. The table which details
information regarding these parts and accessories is located at the end of this section. See
“Parts List” on page 4-20.
Anestar™ Systems Service Manual
0070-10-0526
4-1
Diagrams
Replacement Parts and Accessories
167
25
24
1
2
23
3
28
21
4
22
5
7
20
6
8
9
10
19
11
18
12
17
13
66
67
68
69
13
14
16
15
26
27
FIGURE 4-1 Anestar, Front View
4-2
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Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
25
24
2
167
23
3
28
4
21
5
22
7
6
8
20
9
18
17
11
67
29
165 70
29
29
30
31
FIGURE 4-2 Anestar S, Front View
Anestar™ Systems Service Manual
0070-10-0526
4-3
Diagrams
Replacement Parts and Accessories
34
35
43
36
37
38
44
32
33
40
41
Ground
42
Ground
39
Area of Detail
FIGURE 4-3 Main compartment, exploded view
4-4
0070-10-0526
Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
65
62
61
45
60
58
59
46
47
63
64
48
71
54
49
55
53
72
50
51
52
73
56
57
FIGURE 4-4 Anestar/Anestar S, rear view
Anestar™ Systems Service Manual
0070-10-0526
4-5
Diagrams
Replacement Parts and Accessories
75
74
76
FIGURE 4-5 Anestar Systems, Rear View (Australian Units)
4-6
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Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
81
77
79
78
82
80
78
Area of Detail
83
84
85
FIGURE 4-6 Anestar Plus Check Valve Assembly
78
78
Area of Detail
84
86
85
FIGURE 4-7 Anestar S Check Valve Assembly
Anestar™ Systems Service Manual
0070-10-0526
4-7
Diagrams
Replacement Parts and Accessories
66 68
69
12
87
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
Lin ePr essure
m l/min
O
2
AIR
Ma n u a V
l en t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
O2
AIR
NO2
FLUSH
AIR
O2
Cylinder Pr essure
88
FIGURE 4-8 Anestar Waste Scavenger
165 70
89
90
92
87
88
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
Lin ePr essure
m l/min
O
2
AIR
Ma n u a V
l en t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
NO2
O2
AIR
FLUSH
AIR
Cylinder Pr essure
O2
93
91
FIGURE 4-9 Anestar S Waste Scavenger
4-8
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Anestar™ Systems Service Manual
Replacement Parts and Accessories
112
or
Diagrams
113
105
95
100
96
97
98
99
101
102
103
104
Area of Detail
FIGURE 4-10 Anestar Breathing System, underside view
Anestar™ Systems Service Manual
0070-10-0526
4-9
Diagrams
Replacement Parts and Accessories
165 70
105
166
88
106
100
103
107
109
101
102
103
104
Area of Detail
FIGURE 4-11 Anestar S Breathing System, underside view
4 - 10
0070-10-0526
Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
105
110
112
or
113
110
111
111
114
or
120
119
110
115
120
114
111
115
116
118
116
117
95
123 124 125 126 127
inside
122
121
131
132
131
133
134
134
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
110
110
Lin ePr essure
m l/min
O
2
AIR
Ma n u a V
l en t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
NO2
O2
AIR
FLUSH
AIR
O2
Cylinder Pr essure
FIGURE 4-12 Anestar Breathing System, exploded view
Anestar™ Systems Service Manual
0070-10-0526
4 - 11
Diagrams
Replacement Parts and Accessories
105
110
110
113
111
111
114
114
110
115
115
120
111
120
118
108
116
116
117
163
106 135 136
130
124 123
130
128
137
129
128
129
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
Lin ePr essure
m l/min
O
2
AIR
Ma n u a lV e n t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
NO
2
NO2
O2
AIR
FLUSH
AIR
O2
Cylinder Pr essure
FIGURE 4-13 Anestar S Breathing System, exploded view
4 - 12
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Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
.
105
110
112
111
110
113
114
111
110
115
114
111
117
116
118
115
110
131
131
134
134
132
132
110
110
FIGURE 4-14 Anestar Plus Breathing System, exploded view
Anestar™ Systems Service Manual
0070-10-0526
4 - 13
Diagrams
Replacement Parts and Accessories
140
140
141
142
143
139
144
Area of Detail
48
FIGURE 4-15 Two-valve compartment
4 - 14
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Replacement Parts and Accessories
Diagrams
146
147
145
145
Area of Detail
m l/min
NO
2
m l/min
AIR
ml/m in
ml/m in
O
145
145 145
145
Lin ePr essure
2
m l/min
O2
AIR
Ma n u a lV e n t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
NO2
AIR
O2
FLUSH
AIR
O2
Cylinder Pr essure
148
FIGURE 4-16 Flowmeter tubes, gauges and patient suction regulator
Anestar™ Systems Service Manual
0070-10-0526
4 - 15
Diagrams
Replacement Parts and Accessories
152
151
153
149 150
154
Area of Detail
155
47
46
FIGURE 4-17 Power Supply Board
4 - 16
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Replacement Parts and Accessories
Diagrams
156
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
Lin ePr essure
m l/min
O
2
AIR
Ma n u a lV e n t
C h ild (4 0 -4 0 0 m l)
S ta n d b y
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
NO2
O2
AIR
FLUSH
AIR
O2
Cylinder Pr essure
94
164
FIGURE 4-18 Anestar Plus Breathing System Docking Station, inside view
156
Area of Detail
N2O
m l/min
m l/min
AIR
ml/m in
O2
ml/m in
Lin ePr essure
m l/min
O
2
AIR
Ma n u a V
l en t
S ta n d b y
C h ild (4 0 -4 0 0 m l)
A d u t(3
l 0 0 -1 4 0 0 ml)
N2O
N2O
NO2
O2
AIR
FLUSH
AIR
O2
Cylinder Pr essure
94
164
FIGURE 4-19 Anestar S Breathing System Docking Station, inside view
Anestar™ Systems Service Manual
0070-10-0526
4 - 17
Diagrams
Replacement Parts and Accessories
159
160
157
158
162
161
FIGURE 4-20 Docking Station, Interior
4 - 18
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Anestar™ Systems Service Manual
Replacement Parts and Accessories
Diagrams
32
All Anestar Plus and Anestar below serial
number 4600 A4 1000
33 All Anestar S and Anestar above serial number
4600 A4 1000
Whistle Adjustment
FIGURE 4-21 Flow Meter Module
Anestar™ Systems Service Manual
0070-10-0526
4 - 19
Parts List
4.2
Replacement Parts and Accessories
Parts List
REF. NO.
DESCRIPTION
DATASCOPE P/N
1
Front Panel, Flow Meter Module, Anestar
0200-00-0328
2
Gauge, Line Pressure, O2
0118-00-0030
3
Gauge, Line Pressure, Air
0118-00-0028
4
Gauge, Line Pressure, N2O
0118-00-0027
5
Knob, Flow Control, Air
0366-00-0115
6
Needle Valve and Knob, Flow Control, Air
0103-00-0064
7
Knob Flow Control O2
0366-00-0106
8
Needle Valve and Knob, Flow Control, O2
0103-00-0063
9
Gauge, Cylinder Pressure, O2
0118-00-0026
10
Gauge, Cylinder Pressure, Air
0118-00-0025
11
Gauge, Cylinder Pressure, N2O
0118-00-0029
12
Fitting, Plug
0103-00-0606
13
Faceplate, Drawer, Top/Middle, Anestar
0441-00-0182-09
14
Drawer, Bottom, Anestar
0997-00-0979
15
Faceplate, Lower Drawer
0441-00-0182-08
16
Handle, Drawer, Bottom, Anestar
0367-00-0073
17
Spring, Retained, Vaporizer Manifold
0214-00-0245
18
O-ring, Vaporizer Mount
0354-00-0103
19
Air-Vent, Snap-in
0105-00-0120
20
Knob Flow Control N2O
0366-00-0114
21
Knob, Vent Dial
(NS) Knob, Vent Dial, Indicator Pin
0366-00-0128
0366-00-0129
22
Switch, Wired, Vent Dial
0012-00-1413
23
Touch Display, LCD
Touch Display, EL
0160-00-0065
0160-00-0074
24
Top Shelf, 265 x 470 mm
0386-00-0281
25
Top Shelf, 694 x 444 mm
0386-00-0287
26
Caster, Locking, Anestar
0401-00-0029
27
Non-locking Caster, Anestar
0401-00-0030
28
Mount, Auxiliary O2, Complete
0997-00-0980
29
Drawer, Anestar S
0997-00-0803
30
Caster, Locking, Anestar S
0401-00-0041
31
Caster, Non-locking, Anestar S
0401-00-0042
32
Flow Meter Module, Complete
Anestar below s/n 4600A41000
0997-00-0978
33
Flow Meter Module, Complete, USA
Anestar/Anestar S s/n 4600A41000 and above
Flow Meter Module, Complete, Australia
0997-00-1000
0097-00-0551
NS = Not Shown
4 - 20
0070-10-0526
Anestar™ Systems Service Manual
Replacement Parts and Accessories
Parts List
REF. NO.
DESCRIPTION
DATASCOPE P/N
34
PC Board, Module 1.1
0671-00-0227
35
Module 1.2, PC Board, Anestar (EL Display)
0671-00-0233
36
Module 1.2, PC Board, (LCD Display)
0671-00-0234
37
EL Display Cable
0012-00-1618
38
Cable, LCD Display
0012-00-1617
39
PCB Set, Module 2
0997-00-0967
40
T-fitting, Pneumatic, Thread-on
0103-00-0522
41
Retaining Band, Battery
0226-00-0027
42
Battery, 12V-6AH
0146-00-0075
43
Backlight, Flow Meter Module
0160-00-0068
44
Internal Cables Set
0040-00-0312
45
RS232 Optical Cable, Internal, Anestar
0012-00-1620
46
AC Receptacle, USA
0131-00-0264
47
Plate, Mounting, AC Receptacle
0386-00-0319
48
Fan
0119-00-0196
49
Cover and Filter Set, Fan
0202-00-0154
50
Yoke, Complete, Air
0103-00-0524
51
Yoke, Complete, O2
0103-00-0525
52
Cylinder Washer, Red
0354-00-0100
53
Knob, Cylinder Yoke
0366-00-0122
54
Yoke, Complete, N2O
0103-00-0523
55
Cylinder Washer, Black
0354-00-0101
56
Support Bracket, Cylinders, Anestar
0105-00-0121
57
Support Bracket, Cylinders, Anestar S
0105-00-0123
58
Strain Relief, Linecord
0358-00-0061
59
Nut, Strain Relief, Line Cord
0358-00-0060
60
Circuit Breaker, 5A
0261-00-0205
61
Circuit Breaker, 10A
0261-00-0204
62
Line Cord, Unterminated, 15A, USA
0012-00-1416
63
Mains Switch
0261-00-0203
64
Lamp, AC Mains, Green, 110V
Lamp, AC Mains, Green, 230V
(NS) Actuator insert, part of mains switch
0149-00-0024
0149-00-0026
0377-00-0024
65
Pneumatic Fitting, Female Luer
0103-00-0530
66
O2 Cell for Inspiratory Valve Mount
0600-00-0106
67
O2 Cable, Inspiratory Valve Mount
0012-00-1414
68
Diffuser for Inspiratory Valve Mount
0103-00-0425
69
O-ring, Diffuser, O2 Cell
0354-00-0113
70
Diffuser for Inspiratory Port Mount
0103-00-0589
71
GAS Inlet Module, Complete, USA
0992-00-0158
NS = Not Shown
Anestar™ Systems Service Manual
0070-10-0526
4 - 21
Parts List
Replacement Parts and Accessories
REF. NO.
DESCRIPTION
DATASCOPE P/N
72
Water Trap Filter
0378-00-0051
73
Bottle, Water Trap
0202-00-0153
74
AC Receptacle, Australian
0131-00-0289
75
Line Cord, Unterminated, 10A, Australian
0012-00-1632
76
GAS Inlet Module, Complete, Australian
0997-00-0541-03
77
Primary Regulator, N2O
0119-00-0202
78
Primary Regulator, O2 and Air
0119-00-0193
79
Copper Tube, 3x1 mm
0009-00-0006
80
Copper Comp., Fitting, Line Gauge, 1 mm
0103-00-0518
81
Copper Tube, 6x1.55 mm, hard
0009-00-0007
82
Copper Comp., Fitting, PIN Index, 5 mm
0103-00-0517
83
Fitting, Right Angle, Push-on, 6 mm
0103-00-0520
84
One-way Valve, 6 mm
0119-00-0195
85
T-fitting, Pneumatic, Press-on
0103-00-0556
86
Check-Valve, 4 mm
0119-00-0201
87
O-ring, 9.92 x 2.66 mm
0354-00-0092
88
Airway Pressure Gauge
0118-00-0031
89
Valve, O2 Flush
0104-00-0044
90
Lever, Common Gas Outlet, Complete
0261-00-0215
91
Tube, Reusable, Gas Scavenger
Kit, Evac Hose w/water Trap
0004-00-0074
0040-00-0397
92
Inspiratory Port, Paw Gauge and O2 Mounts
0103-00-0594
93
Waste Gas Scavenger, Open Reservoir
0992-00-0145-01
94
O-ring, Docking Station Port
0354-00-0102
95
Breathing System, Anestar
0997-00-0802
96
Mount Absorber Can, Anestar
0348-00-0196
97
V-Groove, Seal, Absorber Can, Anestar
0354-00-0088
98
O-ring, Absorber Can, Anestar
0354-00-0098
99
Absorber Canister Assembly, Anestar
0997-00-0962
100
Mount, Bellows, Dome, Plastic
Mount, Bellows, Dome, Metal
0352-00-0058
0352-00-0066
101
Bellows
0997-00-0964
102
Foam Pad, Bellows Dome
0992-00-0137
103
O-ring, Bellows Dome
O-ring, Absorber Can, Anestar S
0354-00-0082
0354-00-0082
104
Bellows Dome
0992-00-0228
105
Bag Arm
0103-00-0608
106
Breathing System, Anestar S
0997-00-0602
107
Absorber Canister, Anestar S
0997-00-0601
108
Expiratory Valve Housing
0103-00-0565
NS = Not Shown
4 - 22
0070-10-0526
Anestar™ Systems Service Manual
Replacement Parts and Accessories
Parts List
REF. NO.
DESCRIPTION
DATASCOPE P/N
109
Flat O-ring, Absorber Can/Bellows Valve,
Anestar S
0354-00-0134
110
Holding Ring, Diaphragm Valve, Breathing
System
0352-00-0057
111
Valve Cover, EXSP/Neg. Press Relief Breathing
System
0202-00-0150
112
APL Valve and Membrane Mechanical Anestar
S/N 4600A41000 and below
0354-00-0094
113
APL Valve and Membrane, Electronic
APL Valve and Membrane, Electronic, High Res
0354-00-0117
0354-00-0160
114
O-ring, INSP/EXSP, Valve Cover
0354-00-0095
115
Retainer, Disk, Expiratory/Inspiratory
Breathing System
0352-00-0056
116
Silicone Disk, Inspiratory / Expiratory Valve
0354-00-0089
117
Membrane, APL Valve
0354-00-0093
118
Membrane, Neg. Press Relief Valve
0354-00-0091
119
Valve Cover, Inspiratory Breathing System,
Anestar S/N 4600A41000 and below
0202-00-0151
120
O-ring, Bag Arm
0354-00-0104
121
Heating Element, Breathing System, Anestar
0997-00-0966
122
Coupling, Spindle Nut, Breathing System, Anestar
0376-00-0014
123
External Flow Sensor
0154-00-0007
124
Temp Sensor, Breathing System
0012-00-1621
125
Seal-Plate, Neg. Press Relieve Valve, Anestar
0119-00-0189
126
O-ring, Heat Blanket, 24 x 3 mm, Anestar
0354-00-0097
127
O-ring, Heat-Blanket, 9 x 3 mm
0354-00-0096
128
Membrane, Diaphragm Valve, Breathing System,
Anestar S
0354-00-0161
129
Holding Ring, Diaphragm Valve, Breathing
System, Anestar S
0386-00-0326
130
Body, Diaphragm Valve, Breathing System,
Anestar S
0386-00-0325
131
Membrane, Diaphragm Valve, Breathing System,
Anestar
0348-00-0197
132
Body, Diaphragm Valve, Breathing System,
Anestar
0202-00-0152
133
(NS) O-ring, Diaphragm, 40 x 1.5 mm
0354-00-0090
134
Connector, Diaphragm Valve, Breathing System,
Anestar
0103-00-0528
135
Heating Element, Breathing System, Anestar S
0354-00-0137
136
O-ring, Size, Breathing System, Anestar S
N/S
137
Locking Post, Breathing System, Anestar S
0366-00-0127
NS = Not Shown
Anestar™ Systems Service Manual
0070-10-0526
4 - 23
Parts List
Replacement Parts and Accessories
REF. NO.
DESCRIPTION
DATASCOPE P/N
138
(NS) O-ring, Screw, Insp/Exp/APL/Neg. Press,
Anestar S
0348-00-0207
139
Pressure Switch
0261-00-0206
140
Regulator, Press, O2, Individual
Regulator, Press, O2 Assembly, 29 and 2.9 PSI
0119-00-0194
0104-00-0047
141
Flow Divider & Prop Valve Assy, Complete
0104-00-0048
142
Internal Flow Sensor
0154-00-0006
143
Proportional Valve
0119-00-0188
144
Fitting, Right Angle, Push, 8 mm
0103-00-0560
145
Flowtube
0118-00-00XX
146
Arm, Mounting, Patient Suction Regulator
0436-00-0207
147
Patient Suction Regulator
0992-00-0146
148
Channel, Mounting, 19 inch
0436-00-0195
149
PC Board Assembly, Power Supply, Complete
0014-00-0243
150
Shield, Plastic, Power Supply PCB
0349-00-0329
151
Fuse, 10 AMP
0159-00-0051
152
Fuse, 8 AMP
0159-00-0049
153
DC-AC Converter
0014-00-0244
154
Fuse, 630 mA
0159-00-0048
155
Fuse, 1.6 AMP
0159-00-0050
156
Switch, Over Temp Cutoff, Docking Station
0263-00-0004
157
Solenoid Block, Complete
0391-00-0083
158
Solenoid Valve, Docking Station
0119-00-0210
159
Solid State Relay, Docking Station, Anestar
0148-00-0051
160
Start Switch, Docking Station, Anestar
0012-00-1604
161
Motor, Docking Station, Anestar
0119-00-0203
162
Stop Switch, Docking Station, Anestar
0012-00-1605
163
O-ring, Valve Seat, Insp/Exsp/Neg/APL,
Anestar S
0348-00-0206
164
Port Docking Station
0103-00-0537
165
Extended Life O2 Cell w/diffuser for Inspirator Port
Mount
0600-00-0107
166
O2 Cable, Inspiratory Port Mount
0012-00-1534
167
Touchscreen with Frame
0160-00-0091
NS
O2 Plug, Inspiratory Valve, Anestar
0138-00-0017
NS
4-port Fitting, Pneumatic
0103-00-0526
NS
Anestar S 36 Month PM Kit
0040-00-0345
NS
Anestar S 12 Month PM Kit
0040-00-0346
NS
Anestar S 6 Month PM Kit
0040-00-0347
NS
Anestar 36 Month PM Kit
0040-00-0348
NS = Not Shown
4 - 24
0070-10-0526
Anestar™ Systems Service Manual
Replacement Parts and Accessories
Parts List
REF. NO.
DESCRIPTION
DATASCOPE P/N
NS
Anestar 12 Month PM Kit
0040-00-0349
NS
Anestar 6 Month PM Kit
0040-00-0350
NS
Auxiliary O2 Flowmeter
0992-00-0218
NS
Bulb, Snake Light
0150-00-0061
NS
Cable, O2, Internal
0012-00-1602
NS
Gasket Set
0040-00-0372
NS
Kit, All Labels, Stick-on
0040-00-0314
NS
Pre-operation checklist, laminated card
0070-00-0518
NS
MOD 1.1 Adapter Cable
0012-00-1509
NS
Software Rev. V1.3.0 for 0671-00-0227
0996-00-0085-01
NS
Software Rev. V1.3.0 for 0671-00-0233 (EL)
0996-00-0085-02
NS
Software Rev. V2.4.0 for 0997-00-0967 (AVM3-1)
0996-00-0085-03
NS
Software Rev. V2.4.0 for 0997-00-0967 (AVM3-2)
0996-00-0085-04
NS
Software Rev. V1.3.0 for 0671-00-0234 (LCD)
0996-00-0085-05
NS
Software Rev. V1.4.0 for 0671-00-0227
0996-00-0099-01
NS
Software Rev. V1.4.0 for 0671-00-0233 (EL)
0996-00-0099-02
NS
Software Rev. V2.5.0 for 0997-00-0967 (AVM3-1)
0996-00-0099-03
NS
Software Rev. V2.5.0 for 0997-00-0967 (AVM3-2)
0996-00-0099-04
NS
Software Rev. V1.4.0 for 0671-00-0234 (LCD)
0996-00-0099-05
NS
Software Rev. V1.4.0 for 0014-00-0243
0996-00-0099-06
NS
Tube, Green, 4 mm ID (sold by the meter)
0008-00-0338
NS
Tube, Green, 6 mm ID (sold by the meter)
0008-00-0337
NS
Tube, Clear, 4 mm ID (sold by the meter)
0008-00-0343
NS
Tube, Clear, 1.5 mm ID (sold by the meter)
0008-00-0344
NS
Tube, Clear, 6 mm ID (sold by the meter)
0008-00-0352
NS
Tube, Black, 2 mm ID (sold by the meter)
0008-00-0353
NS
Tube, Blue, 2 mm ID (sold by the meter)
0008-00-0354
NS
Tube, Green, 2.7 mm ID (sold by the meter)
0008-00-0355
NS
Tube, Yellow, 4 mm ID (sold by the meter)
0008-00-0356
NS
Tube, Silicone
0004-00-0076
NS
Cable, Extension, APL Valve
0012-00-1575
NS
Tubing, 4 mm OD, 2.7mm ID, White
0008-00-0358-02
NS
Tubing, 6 mm OD, 4mm ID, White
0008-00-0358-04
NS
Tubing, 8 mm OD, 6mm ID, White
0008-00-0358-05
NS
Tubing, 6 mm OD, 4mm ID, Black
0008-00-0358-14
NS
Tubing, 8 mm OD, 6mm ID, Black
0008-00-0358-15
NS
Adapter Cable
0012-00-1509
NS
Cable, APL Valve, Internal
0012-00-1603
NS
Cable, Docking Station, Flow Sensor
0012-00-1606
NS = Not Shown
Anestar™ Systems Service Manual
0070-10-0526
4 - 25
Parts List
Replacement Parts and Accessories
REF. NO.
DESCRIPTION
DATASCOPE P/N
NS
Cable, Docking Station, Temp Sensor
0012-00-1607
NS
Cbl, Docking Stat, Over Heat Sw1
0012-00-1608
NS
Cbl, Docking Stat, Over Heat Sw2
0012-00-1609
NS
Cbl, Relay to Power Supply Bd
0012-00-1611
NS
Cable, Motor Control
0012-00-1613
NS
Cable, Module 2 to Power Supply
0012-00-1614
NS
Cable, Solenoid Valves
0012-00-1615
NS
Cable, Display,10 Pin Ribbon
0012-00-1616
NS
Cable, PT100 Temp Sensor
0012-00-1621
NS
Anestar S, Snake Light Kit
0040-00-0357
NS
Anestar S, Extension Table Kit
0040-00-0358
NS
Anestar, V1.4.0 Parts Kit, El
0040-00-0359-01
NS
Anestar, V1.4.0 Parts Kit, Lcd
0040-00-0359-02
NS
Anestar, Upgrade,electronic Apl Valve & O2 Cell
0040-00-0369
NS
Anestar, V1.6.0 Parts Kit, El
0040-00-0371-01
NS
Pcv Upgrade Kit
0040-00-0392
NS
Anestar Australia O2 Cylinder Gauge
0118-00-0034-01
NS
Anestar Australia N20 Cylinder Gauge
0118-00-0034-02
NS
Anestar Australia Air Cylinder Gauge
0118-00-0034-03
NS
Anestar Australia O2 Line Gauge
0118-00-0035-01
NS
Anestar Austrailia N20 Line Gauge
0118-00-0035-02
NS
Anestar Australia Air Line Gauge
0118-00-0035-03
NS
Cover, O2 Cell Sensor
0198-00-0074-01
NS
Switch Actuator, Flush Button, White
0261-00-0216
NS
Anestar, Wrench, Tank Valve
0367-00-0080
NS = Not Shown
4 - 26
0070-10-0526
Anestar™ Systems Service Manual
5.0
Calibration
Introduction
Anestar service maintenance is comprised of four distinct activities:
1. Inspecting and/or replacing consumable parts
2. Adjusting individual potentiometers
3. Calibration of stored coefficients into memory
4. Functional testing
Consult the Preventive Maintenance chapter of this manual to determine the appropriate
interval for inspection and replacement of consumables, mechanical and electronic
adjustments, testing and calibration.
Ensure that all testing materials, including drive gas, breathing circuits, test fixtures, tools and
documents are available and current, calibrated and in good working order prior to
beginning.
Testing and programming requires utilizing internal service software. A password is required
to enter these screens. Datascope provides this password during biomedical technician
training. When making individual adjustments, refer to drawings provided in the pullout
page at the end of this chapter.
Anestar™ Systems Service Manual
0070-10-0526
5-1
Calibration Warnings, Precautions, and Notes
5.1
5-2
Calibration
Calibration Warnings, Precautions, and Notes
WARNING:
For continued protection against a fire hazard, replace all
fuses with the specified type and rating.
WARNING:
In order to prevent an electric shock, the machine
(protection class I) may only be connected to a correctly
grounded mains connection (socket outlet with grounding
contact).
WARNING:
Remove all accessory equipment from the shelf before
moving the anesthesia machine over bumps or on any
inclined surface. Heavy top loading can cause the machine
to tip over causing injury.
WARNING:
Use only approved lubricant on any O-ring in contact with
oxygen. Vac Kote® or Krytox® (U.S. Equivalent to Fomblin)
are recommended oxygen service lubricants. Krytox is
distributed by MediVac Technologies. Vac Kote is distributed
by Ball Aerospace and Technologies Corp.
WARNING:
Possible explosion hazard. Do not operate machine near
flammable anesthetic agents or other flammable
substances. Do not use flammable anesthetic agents (i.e.,
ether or cyclopropane.)
WARNING:
The use of anti-static or electrically conductive breathing
tubes, when utilizing high frequency electric surgery
equipment, may cause burns and is therefore not
recommended in any application of this machine.
WARNING:
Possible electric shock hazard. The machine may only be
opened by Datascope qualified or Datascope authorized
service personnel.
WARNING:
Compressed gasses are considered Dangerous Goods/
Hazardous Materials per I.A.T.A. and D.O.T. regulations. It
is a violation of federal and international law to offer any
package or over pack of dangerous goods for
transportation without the package being appropriately
identified, packed, marked, classified, labeled and
documented according to D.O.T. and I.A.T.A. regulations.
Please refer to the applicable I.A.T.A. Dangerous Goods
Regulations and /or the Code of Federal Regulations 49
(Transportation, Parts 171-180) for further information.
CAUTION:
Refer to the maintenance intervals in the Preventive
Maintenance section for guidance on which steps are to be
performed and when.
CAUTION:
Do not leave gas cylinder valves open if the pipeline supply
is in use and the system master switch is turned to 'ON'. If
used simultaneously cylinder supplies could be depleted,
leaving an insufficient reserve supply in the event of
pipeline failure.
CAUTION:
Use cleaning agent sparingly. Excess fluid could enter the
machine, causing damage.
CAUTION:
This machine must only be operated by trained, skilled
medical staff.
0070-10-0526
Anestar™ Systems Service Manual
Calibration
Calibration Warnings, Precautions, and Notes
NOTE:
Only bacterial filters with a low flow resistance must be
connected to the patient module and/or the patient
connection.
NOTE:
Use surgical gloves whenever touching or disassembling
valves or other internal components of the Breathing
System.
NOTE:
Ensure that the gas supply of the machine always complies
with the technical specification.
NOTE:
The APL valve and PressureAW gauge numerics are for
reference only. Calibrated patient airway pressure is
available on the ventilator screen.
NOTE:
If the machine should show faults during the initial
calibration or testing, the machine should not be operated
until the fault has been repaired by a qualified service
technician.
NOTE:
After servicing, functional, sensor and system tests must be
carried out before clinical use.
NOTE:
To accommodate additional monitors and other equipment
the Anestar offers up to two vertical mounting tracks.
Datascope authorizes specific accessories for mounting. Use
of unauthorized mounting accessories is not recommended.
NOTE:
Always secure any equipment placed on the Anestar’s top
shelf.
Anestar™ Systems Service Manual
0070-10-0526
5-3
Anestar and Anestar S Test Procedure
Calibration
5.2
Anestar and Anestar S Test Procedure
5.2.1
Machine Exterior Inspection
1. Ensure that the Service Manual, Operating Instructions and Checkout Recommendations
(from the Operating Instructions) are present.
2. Ensure there is no external damage to machine and accessories by visual inspection.
3. Ensure all accessories are complete and functional by visual inspection
4. Verify breathing circuit consumables and CO2 absorbent are present.
5. Verify vaporizers are filled but not overfilled.
6. Verify tank wrench is attached.
7. Verify waste gas scavenger hose to APL valve is not damaged. Drain any moisture.
8. Verify O2, N2O, AIR, VAC and EVAC Supply Hoses are not damaged.
9. Verify that the AC line cord is not frayed or damaged.
5.2.2
Inspecting/Replacing Consumable Parts
1. Remove the Breathing System from the Anestar
a. Turn on the Anestar and ensure adequate drive gas is present.
b. Set dial to the Standby position.
c. After boot-up press OPTIONS.
d. Unplug the O2 cell cable and the waste gas scavenger hose.
e. Press UNLOCK on the touch screen for 3 seconds to start the ejection motor.
f. Remove the Breathing System by pulling it straight out.
g. Verify that the Breathing System window changes from Unlock to Unlocked.
2. Remove the Breathing System from the Anestar S
a. Turn the mechanical lever located under the Breathing System, to unlock it from the
Docking Station.
1. Inspect to ensure that the O-ring on the CO2 Absorber dome and V-groove seal under
the Breathing System are intact. (Anestar only)
2. Inspect to ensure that the O-ring on the CO2 absorber dome is intact (Anestar S only).
3. Inspect to ensure that the Flat Ring on the loose fill Absorber is intact (Anestar S only).
4. Inspect the threaded insert on the CO2 absorber canister connection to the breathing
system (Anestar S only).
5. Inspect to ensure that the O-ring on the Ventilator Bellows Dome is intact.
6. Inspect to ensure that the four vaporizer mount O-rings located on the vaporizer
manifold, are intact.
7. Inspect to ensure that all the O-rings of the Docking Station ports are all intact. Lubricate
with a thin coat of approved O2 lubricant.
WARNING:
5-4
Use only approved lubricant on any O-ring in contact with
oxygen. Vac Kote® or Krytox® (U.S. Equivalent to Fomblin)
are recommended oxygen service lubricants. Krytox is
distributed by MediVac Technologies. Vac Kote is distributed
by Ball Aerospace and Technologies Corp.
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8. Inspect the Spindle Nut on the Breathing System for wear. (Anestar only)
9. Inspect the O-ring washer between each tank and it's yoke connections.
10. Inspect that the O2 Cell diffuser O-ring is intact and is not leaking.
11. Inspect that the two O-rings on the breathing circuit Y-fitting plug are intact.
12. Inspect/Replace the two O-rings on Bag Arm.
a. Remove the Locking Ring connecting the Bag Arm to the Breathing System.
b. Pull out the Bag Arm and inspect the two O-rings for cracks and/or damage.
c. Carefully reinstall the Bag Arm and tighten the Locking Ring onto the Breathing
System.
13. Inspect to ensure that the Inspiratory valve disk and O-ring are intact.
14. Replace the O-ring on the (passive) Inspiratory valve seat if leaking or at annual intervals
(Anestar S only).
15. Replace the O-ring under the (passive) Inspiratory valve seat screw if leaking or at
annual intervals (Anestar S only).
16. Inspect to ensure that the Expiratory valve disk and O-ring are intact.
17. Replace the O-ring on the (passive) Expiratory valve seat if leaking or at annual intervals
(Anestar S only).
18. Replace the O-ring under the (passive) Expiratory valve seat screw if leaking or at
annual intervals (Anestar S only).
19. Inspect to ensure that the APL Valve membrane is intact.
20. Inspect to ensure that the Negative Pressure Relief Valve membrane is intact.
21. Replace the O-ring on the Negative Pressure Relief Valve seat if leaking or at annual
intervals (Anestar S only).
22. Replace the O-ring under the Negative Pressure Relief Valve seat screw if leaking or at
annual intervals (Anestar S only).
23. Inspect to ensure the Fresh Gas Decoupling, Bellows, and PEEP Valve membranes are
intact (Anestar Only).
24. Inspect to ensure the Fresh Gas Decoupling, Bellows and PEEP valve bellows are intact
(Anestar S only).
25. Replace the valve O-rings of the Decoupling, PEEP and Bellows valves if leaking or at
annual intervals (Anestar S only).
26. Inspect the flat-rings of the Decoupling, PEEP and Bellows valves are intact (Anestar S
only).
27. Inspect to ensure that the two airway pressure gauge O-rings are intact.
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Calibration
FIGURE 5-1 Supply inlet filters and water traps
28. Inspect the O2, N2O and AIR gas supply inlet filters and water traps.
a. Verify that minimal to no condensation or dirt are present in the inlet filter and
bottles.
b. Clean and/or replace the contaminated inlet filters and O-rings, if necessary.
NOTE:
Disconnect the line pressure hose before removing inlet filter
bottles.
29. Inspect to ensure that the bellows fits securely to its fitting connection and is intact.
30. Inspect to ensure that the bellows foam pad is intact.
31. Inspect to ensure that the fan filter is clean.
32. Inspect the date code on the battery indicates it's within 3 years old.
33. Inspect to ensure that the vaporizer manifold's vaporizer locking springs are intact and
allow the vaporizer to lock to the manifold.
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List of Consumable Items
Anestar
KEY FOR FIGURE 5-2 ON PAGE 5-8.
1.
Inspiratory Valve disk (passive)
2.
Expiratory Valve disk (passive)
3.
Expiratory Valve membrane
4.
APL Valve membrane
5.
Neg. Pressure Relief Valve membrane
6.
Decoupling Valve membrane
7.
Bellows Valve membrane
8.
Bag Arm O-rings
9.
O-rings
10.
Spindle Nut
11.
V-Seal, Absorber Canister
12.
O-ring, Absorber Canister
13.
Bellows O-ring
14.
O-rings
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Calibration
9
8
2
5
11
4
12
1
3
10
6
13
7
14
FIGURE 5-2 Anestar Breathing System Consumable Parts
5-8
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Anestar S
KEY FOR FIGURE 5-3 ON PAGE 5-10.
1.
Inspiratory Valve disk (passive)
2.
Expiratory Valve disk (passive)
3.
Expiratory Valve bellows
4.
APL Valve membrane
5.
Neg. Pressure Relief Valve membrane
6.
Decoupling Valve bellows
7.
Bellows Valve bellows
8.
Bag Arm O-rings
9.
O-rings
10.
O-ring, Absorber Canister
11.
Bellows O-ring
12.
O-rings (2)
13.
Inspect/Replace the threaded insert for the CO2 absorber (Anestar S only)
14.
Flat ring, CO2 Absorber
15.
O-rings (4), Docking Station
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Calibration
1
9
9
8
2
5
4
3
7
6
12
13
10
14
11
15
FIGURE 5-3 Anestar S Breathing System Consumable parts
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5.2.3
Anestar and Anestar S Test Procedure
Power Supply Checks
1. Initial Set Up
a. Remove the six screws from the upper panel. Swing the door open exposing the
power supply PC board. The power supply assembly is attached to the door.
b. Carefully remove the plastic shield.
c. Inspect the connector wiring integrity and with power disconnected, tighten any
loose connections as necessary.
2. Calibrating the 5.25 VDC supply
a. Place the positive measuring probe of a DVM to the lower side of fuse F2 (if present).
b. Place the negative measuring probe of the DVM to the ground pin located to the
right of F6 as meter ground.
c. Adjust P1 on the Power Supply PCB for +5.25 VDC.
3. Calibration of the 12.50 VDC supply
a. Place the positive measuring probe of a DVM to the lower side of fuse F6 (if present).
b. Place the negative measuring probe of the DVM to the ground pin located to the
right of F6 as meter ground.
c. Adjust P2 on the Power Supply PCB for +12.50 VDC.
4. Reinstall the plastic shield to the Power Supply Assembly.
+5.25v
adjust P1
+12.50v
adjust P2
Meter
Ground
+12.50v
measure F6
+5.25v
measure F2
FIGURE 5-4 Power Supply PC board
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Anestar and Anestar S Test Procedure
5.2.4
Calibration
Functional Tests
1. Test Flow controller linearity
a. Connect Air pressure (only) from wall supply to the Anestar.
b. With the Anestar power OFF rotate the Air flow control knob to ensure a continuous
flow increase throughout it's range.
2. Test Minimal O2 Flow
a. Disconnect Air and N2O from the Anestar. Provide only O2 gas pressure from the
wall supply.
b. Turn ON the Anestar.
c. Set the O2 flow controller to minimum.
d. Ensure minimal O2 flow of 250mL/min. +150 /- 50.
e. Calibrate as required.
3. Test proper connection of gases to the Flow Meter Block.
a. Disconnect Air and N2O from the Anestar. Provide only O2 gas pressure from the
wall supply.
b. Switch the Air/N2O switch to the N2O position (if Air/N2O switch is present).
c. Fully rotate the N2O flow controller knob and verify no flow.
d. Fully rotate the Air flow control knob and verify no flow.
e. Switch the Air/N2O switch to the Air position. (if Air/N2O switch is present).
f. Fully rotate the Air flow controller knob and verify no flow.
g. Fully rotate the N2O flow control knob and verify no flow.
h. Attach the N2O wall supply, along with the O2 supply.
4. Test the N2O/Air switch in the N2O position (if present)
a. Switch the Air/N2O switch to the N2O position. (if present)
b. Fully rotate the N2O flow controller knob and ensure flow is sustained. Observe the
O2 flow rising along with rise in N2O flow.
c. Ensure N2O flow throughout the range of both N2O flow meters.
d. Fully rotate the Air flow control knob and verify no flow.
e. Attach the N2O and Air wall supplies, along with the O2 supply.
5. Test the N2O/Air switch in the AIR position (if present)
a. Switch the Air/N2O switch to the Air position. (if present)
b. Fully rotate the Air flow controller knob and ensure flow is sustained.
c. Fully rotate the N2O flow control knob and verify no flow. (if Switch is present)
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6. Verify operation of the O2, N2O and Air tank check valves, as applicable.
a. Connect and open a full gas tank on each yoke
b. Verify the cylinder gauges operate.
c. Remove each central supply gas hose one at a time from the wall supply inlet.
d. Verify the check valves prevent gas from escaping through the central supply gas
hose.
e. Verify there is no external damage to the gas supply inlet coupling on the Anestar.
f. Reattach each central supply gas hose to the wall supply inlets.
7. Verify operation of the O2, N2O and Air supply check valves
a. Shut off and remove all tanks.
b. Drain the residual cylinder pressure by flowing O2, N2O and Air.
c. Verify the cylinder gauges return to zero
d. Verify the line pressure gauges operate.
e. Verify the check valves prevent gas from escaping out the open tank yokes.
f. Verify there is no external damage to the gas tank or yoke pins.
g. Reconnect the tank(s) as necessary.
8. Test the Flush button
a. Attach a flow meter to measure the flow from the INSP port.
b. Close the APL valve (MAX).
c. Block the Bag Arm port
d. Push the FLUSH button.
e. Ensure a sustained flow of 40 +/- 10 liters/minute at the INSP ports of the Breathing
System while the button is depressed.
9. Switch on the snake light. (if present)
a. Verify operation of snake light.
10. Test Flow Tube Backlight.
a. Verify operation of flow meter backlight (line voltage connected).
11. Test the Patient Suction Regulator to each setting.
a. Verify the Patient Suction Regulator operate in the OFF, LINE and REGULATE
mode.
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Anestar and Anestar S Test Procedure
Calibration
FIGURE 5-5 Suction Regulator
12. Test the Vaporizer Interlock Mechanism
a. Place two vaporizers on the vaporizer manifold.
b. Set the left side vaporizer to a numeric dial setting
c. Verify the right vaporizer's dial can not be rotated to a numeric dial position
d. Set the left vaporizer dial to the zero position
e. Set the right vaporizer dial to a numeric dial setting
f. Verify the left vaporizer dial can not be rotated to a numeric dial position
13. Test the Wheel Brakes
a. Verify that each front wheel break operates.
5.2.4.1
Pneumatic tests
1. Technician's Manual Leak Test
The Manual Leak Test detects smaller leaks than can be detected in the Automatic Leak Test.
a. Ensure adequate gas supply (O2, N2O and Air) is connected.
b. Turn ON the Anestar.
c. Attach a reusable-silicone-rubber breathing circuit to the Breathing System.
d. Tightly connect the Y-piece to the bag-arm port where the bag would normally be.
e. Set the APL valve to the fully closed (80cm H2O or MAX) position.
f. Rotate the O2 flow control valve until 60cm H2O pressure is observed on the airway
pressure gauge.
g. Setting the flow control valve to 500 ml flow should increase the pressure, or
maintain the airway pressure for at least 30 seconds.
h. If at 500 ml flow, the pressure decreases, but stays above 40 cm H2O for at least 30
seconds, the system is safe for clinical use.
i. If at 500 ml flow, the pressure decreases below 40 cm H2O within 30 seconds, the
unit should not be used clinically until the leak is resolved per the specification
defined above.
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2. Test APL Valve
a. With the reservoir bag connected to the bag arm and the test lung connected to the
breathing circuit, set the APL valve to OPEN (or CMV/SP).
b. Connect the calibrated pressure meter to the Luer fitting on the Y-piece.
c. Set O2 flow to 5 l/m.
d. Verify that the calibrated pressure meter and PAW gauge both read between 1.5
and 3.4 mbar.
e. Set the APL valve to 30.
f. Press the O2 FLUSH button to inflate the reservoir bag.
g. Manually compress the bag 3 times, increasing the pressure to between 40 and 50
mbar with each compression.
h. Disconnect the reservoir bag from the bag arm and attach the Y-piece to the end of
the bag arm.
i. Verify that the calibrated pressure meter reads 30 ±10 mbar.
j. Verify that the PAW gauge reads ±2.0 mbar of the reading on the calibrated
pressure meter.
k. Set the O2 flow to minimum, APL valve to OPEN (or CMV/SP), and disconnect the
calibrated pressure meter.
3. Compliance Test
This test calibrates the ventilator for tubing compliance by pressurizing the breathing circuit to
40 cm H2O. This test pressurizes the inspiratory limb pneumatics by closing the decoupling
and expiratory valves. The Compliance Test is available at the start of the machine and from
the OPTIONS screen.
a. Ensure adequate supply gas pressure (O2, N2O and Air).
b. Turn the vent dial to the standby position.
c. Turn ON the Anestar. After boot-up, the compliance test screen will appear.
d. If the Anestar is already on, Press OPTIONS, then Compliance Test.
e. Attach a breathing circuit to the Breathing System.
f. Seal the Y-piece by attaching the open port to the parking place on the side of the
Breathing System.
g. Set the flow of gas to minimum flow.
h. Press ENTER to start the test.
i. Verify that less than a 300 mL/min. leak is indicated.
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Anestar and Anestar S Test Procedure
Calibration
Compliance Test
Compliance Test Passed
Leak rate < 300 ml/min
Please Enter to continue
FIGURE 5-6 Compliance Test Passed
4. Automatic Leak Test.
This test pressurizes the inspiratory limb, expiratory limb, vaporizer manifold and pneumatic
lines leading to the flow control valves (flow meters). The automatic Leak Test is only
available from the OPTIONS screen.
a. Ensure adequate supply gas pressure (O2, N2O and Air).
b. Turn the vent dial to the standby position.
c. Turn ON the Anestar. After boot-up, press OPTIONS, then Leak Test.
d. Attach a breathing circuit to the Breathing System.
e. Connect the Y-piece to the bag-arm port where the bag would normally be.
f. Set the flow of gas to minimum flow.
g. Set the APL valve to the fully closed (80 cm H2O or MAX) position.
h. Press and release the red pop-off button to depressurize the system.
i. Press ENTER to start the test.
j. Verify that less than a 300 mL/min. leak is indicated.
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Anestar and Anestar S Test Procedure
Options
Compliance
Test
Leak Test
Leak Test Passed
Set APL valve to
Vent OPEN position
Cal
02 Sensor
FIGURE 5-7 Leak Test Passed
5. N2O cylinder test
a. Remove the N2O line pressure hose from the line pressure inlet on the unit.
b. Mount a full N2O cylinder to the rear panel yoke. Make sure a new clean tank
washer is placed between the tank and the yoke to minimize any leaks at the yoke
connection.
c. Turn the main switch to the OFF position. This will isolate the N2O Cylinder Pressure
read near 750 psi or equivalent pressure units.
d. Close the N2O cylinder.
e. Observe the N2O cylinder gauge. The pressure gauge should not fall more than
20% of its initial pressure over 3 minutes.
5.2.4.2
Performance Verification
1. Initial Set Up
a. Ensure adequate gas pressures (O2, N2O, Air)
b. Set the vent dial to the Standby position.
c. Power ON the fully assembled Anestar.
d. Perform the Compliance Test per the on-screen instructions. Ensure successful
completion.
e. Attach a test lung to the y-piece of the breathing circuit.
f. Press the O2 FLUSH button to fill the bag with volume.
2. Test ventilation assist capability in the Standby mode
a. Set the APL valve to 20.
b. Set the N2O/Air switch (if present) to Air. Flow 5 liter/minute of Air.
c. Squeeze the reservoir bag once every 10 seconds.
d. Verify that the test lung inflates and deflates to approximately 20cm H2O pressure.
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Calibration
Standby
Use vent dial
to select a ventilator mode
FIGURE 5-8 Standby mode display
3. Calibrate the O2 Cell in the OPTIONS mode
a. Press the OPTIONS key, then the O2 CAL key.
b. Follow the directions on the screen.
c. Press ENTER, then OPTIONS to return to the Standby screen.
Options
Compliance
Test
O2 Sensor
calibration successful
Leak Test
Cal
02 Sensor
FIGURE 5-9 O2 Sensor Cal Successful
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4. Test Assist Capability in MANUAL
a. Set the Vent Dial to MANUAL.
b. Set the APL valve to 20.
c. Flow 5 liter/minute of Air.
d. Squeeze the reservoir bag once every 10 seconds.
e. Verify that the test lung inflates and deflates to a approximately 20cm H2O pressure.
f. Verify that tidal volume, resp rate, minute volume, FiO2, and PEEP values appear on
screen.
g. Verify a pressure waveform appears on screen along with the bag compressions.
h. A battery symbol may appear depending on the battery charge level.
i. Set the APL to the OPEN (CMV/SP) position and stop squeezing the reservoir bag.
---
5
3.4
19
MAN
60
40
20
0
-5
0
1450
2
4
6
8
10
20
12
14
16
1
FIGURE 5-10 Manual mode display
5. Test the O2:N2O Ratio System
a. Set the O2 and N2O flow control valves to minimum.
b. Rotate the N2O flow controller until the top of the O2 flow meter's float rises to
indicate one liter per minute.
c. Add the N2O flow and O2 flow together and divide the O2 flow by the total.
d. Verify the ratio is between 20% and 30%.
e. Lower the N2O flow to minimum.
6. Calibrate as required
For the 0997-00-0978 Flow Meter Module, Ratio System:
1. Remove the ratio system module by removing the two top screws.
2. Loosen the Locking Nut that holds the threaded collar.
3. Adjust the threaded collar clockwise to increase the ratio of O2 to N2O.
4. Reinstall the ratio system module and retest the O2:N2O ratio.
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Calibration
5. Verify that the O2 concentration in percent (%) is not less than 20%, or more
than 30%, in combination with N2O.
Screws
O2:N20 Ratio System
Back Side
Locking Nut
Threaded Collar
FIGURE 5-11 Flow Meter Module’s Ratio System
For the 0997-00-1000 Flow Meter Module, Ratio System:
1. Attach a pressure meter to the O2 measurement port.
2. Set the O2 pressure regulator for 30 psi, +/- 2 psi.
3. Attach a pressure meter to the N2O measurement port.
4. Set the N2O pressure regulator for 40 psi +/- 2 psi.
5. Verify that the O2 concentration in percent (%) is not less than 20%, or more
than 30%, in combination with N2O.
6. Remove the pressure meter attached to the N2O measurement port.
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FIGURE 5-12 Flow Meter Module’s Ratio System
5.2.4.3
Test Manual Mode Alarms
1. APNEA Alarm
a. Verify that the following APNEA alarm signals activate. Note that the onset of these
alarm signals can be delayed in the ALARMS screen.
b. APNEA appears on the screen
c. Flashing red LED after 30 seconds
d. Two audio beeps sound at approximately 30sec, 45sec, 60sec, 1:15 sec, 1:30 sec,
1:45 sec.
e. A continuous alarm sounds at 2 minutes.
2. MUTE, Two Minute Silence
a. Press the MUTE key
b. Verify the audio portion of the alarms silences for 2 minutes, and then returns after 2
minutes.
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Calibration
---
---
-.-
--
Apnea
FiO2
30
99
MAN.
18
---
--
0
FIGURE 5-13 Manual mode alarm screen
3. Low O2 Alarm
a. Set the low O2 Alarm limit to 50% O2
b. Set the air flow control valve to 5 L/min.
c. Set the O2 flow controller to minimum flow.
d. Set the APL valve to 20
e. Squeeze the reservoir bag once every 10 seconds.
f. Verify the following Low O2 alarm signals activate:
FiO2 is lower than FiO2 alarm limit appears on the screen
An oscillating audio tone sounds
Flashing Red LED.
g. Set the Low O2 alarm limit to 18%.
h. Verify the alarm signals stop activating.
i. Stop squeezing the bag.
4. High O2 Alarm
a. Set the high O2 Alarm limit to 50% O2.
b. Set the O2 flow control valve to flow 5 L/min.
c. Set the Air flow controller to minimum.
d. Set the APL valve to 20
e. Squeeze the reservoir bag once every 10 seconds.
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f. Verify the following High O2 alarm signals activate:
•
FiO2 is greater than FiO2 alarm limit appears on the screen
•
An oscillating audio tone sounds
•
Flashing Yellow LED.
g. Set the high O2 alarm limit to the max setting O2.
h. Verify the alarm signals stop activating.
i. Stop squeezing the bag.
5. Test Tidal Volume in the CMV ADULT mode
a. Rotate the Vent Dial to Adult
b. Set the O2 flow to 2 liter/minute
c. Set the ventilator to the following settings:
VENTILATOR CONTROLS
VENTILATOR SETTINGS
Vent Dial
Adult
Vent Mode
CMV
Tidal Volume
500
Breath Rate
10
I:E ratio
1:2
PEEP
0
Plateau Pressure
OFF
O2 Flow Controller
2 Liters/minute
d. Place a tidal volume measuring device in line with the expiratory limb, attached to
the Expiratory port.
e. Press START
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Anestar and Anestar S Test Procedure
Calibration
35
2.2
10
43
CMV
40
20
0
-5
0
290
2
4
6
10
8
10
12
1: 2
14
16
0
FIGURE 5-14 CMV ventilation mode
f. Verify that the measured tidal volume reaches the set value within 10 breaths.
g. Verify the Tidal Volume display is within 10% of set value within 4 minutes.
h. Verify that the O2 display reads greater than 95 within 8 minutes.
6. Test Red Pop-Off Button
a. While the ventilator is running, press and hold down the manual POP OFF (Red)
button on the Anestar. This red button is not available in Anestar S.
b. Verify that the manual POP OFF button depressurizes the breathing system.
c. Release the POP OFF button.
d. Verify airway pressure returns to the circuit and is indicated on the display screen.
7. Test Airway Disconnect Alarm
a. While the ventilator is running, disconnect the expiratory limb from the Expiratory
Port on the Breathing System.
b. Verify the following airway pressure disconnect alarm signals activate.
•
•
•
Oscillating audio tone
Flashing Red LED
‘‘Airway Disconnected’’ message appears on screen.
8. Test the CMV ADULT mode
a. Reset the ventilator to:
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VENTILATOR CONTROLS
VENTILATOR SETTINGS
Vent Dial
Adult
Vent Mode
CMV
Tidal Volume
700
Breath Rate
10
I:E ratio
2:1
PEEP
4
Plateau Pressure
30%
O2 Flow Controller
2 Liters/minute
b. Verify the Tidal Volume settles within 10%, and PEEP settles within +/- 1 digit of set
values within 4 minutes.
9. Test the CMV CHILD mode
a. Reset the ventilator to:
VENTILATOR CONTROLS
VENTILATOR SETTINGS
Vent Dial
Child
Vent Mode
CMV
Tidal Volume
200
Breath Rate
10
I:E ratio
1:2
PEEP
0
Plateau Pressure
OFF
O2 Flow Controller
2 Liters/minute
b. Verify the Tidal Volume (DEFAULT Settings) settles within 10% of set value.
10. Test the PCV ADULT mode (if present)
a. Set ventilator:
VENTILATOR CONTROLS
VENTILATOR SETTINGS
Vent Dial
Adult
Vent Mode
PCV
Tidal Volume Flow
20
Breath Rate
10
I:E ratio
1:2
PEEP
0
Plateau Pressure
14-20 (note)
O2 Flow Controller
2 Liters/minute
NOTE:
Select a Plateau Pressure that delivers a tidal volume of
approximately 500ml.
b. Verify the plateau pressure settles within 10% of the set value within 3 minutes
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Calibration
22
30
5.0
50
PCV
40
20
0
-5
0
2
800
4
6
10
8
12
10
2: 1
14
16
30
0
FIGURE 5-15 PCV ventilation mode
5.2.4.4
Test Alarm
1. Initial Set Up
a. Ensure adequate gas pressures (O2, N2O, Air).
b. Set the vent dial to the Standby position.
c. Power ON the fully assembled Anestar.
d. Perform the Compliance Test per the on-screen instructions. Ensure successful
completion.
e. Attach a test lung to the y-piece of the breathing circuit.
f. Press the O2 Flush button to fill the bag with volume.
g. Set the ventilator to:
VENTILATOR CONTROLS
5 - 26
VENTILATOR SETTINGS
Vent Dial
Adult
Vent Mode
CMV
Tidal Volume
500
Breath Rate
10
I:E ratio
1:2
PEEP
0
Plateau Pressure
OFF
O2 Flow Controller
2 Liters/minute
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Anestar and Anestar S Test Procedure
36
Vtmin
19
3.2
20
CMV
P
M.Vol.
O2
Vol.
60
400
320
99
2.0
12
10
1: 2
18
0
FIGURE 5-16 CMV and PCV mode alarm screen
2. Test the Tidal Volume Alarm
a. Start the Ventilator.
b. Press the ALARM LIMITS key.
c. Set the Vtmin alarm set point to 800.
d. Verify the following Tidal Volume alarm activates.
e. Tidal Volume lower than Vtmin appears on the screen.
f. Oscillating audio tone.
g. Flashing yellow LED.
h. Set the Vtmin alarm set point to 350 (ml).
3. Test the Peak Pressure Alarms
a. Set the Peak Pressure high alarm limit set point 5 digits below the Peak Pressure
displayed on the upper left of the screen.
b. Verify the following (high) peak pressure alarms activate:
•
Peak Pressure greater than alarm limit appears on the screen.
•
Oscillating audio tone.
•
Flashing Red LED.
•
Inspiration ends and expiration begins as the pressure meets the high alarm limit
(horizontal line).
c. Set the Peak Pressure high alarm limit set point to 65 (cm H2O).
d. Verify the alarms signals cease.
e. Set the Peak Pressure low alarm limit set point to 50 (cm H2O)
f. Verify the following (low) peak pressure alarms activate:
Anestar™ Systems Service Manual
•
Peak Pressure below alarm limit appears on the screen.
•
Oscillating audio tone.
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Anestar and Anestar S Test Procedure
•
Calibration
Flashing Red LED.
g. Set the Peak Pressure low alarm limit to 12 (cm H2O).
h. Verify the alarm signals cease.
4. Test the Minute Volume Alarm
a. Set the Minute Volume alarm limit set point to the highest value.
b. Verify the following alarms activate:
•
Minute Volume below alarm limit appears on the screen.
•
Oscillating audio.
•
Flashing Yellow LED.
c. Set the Minute Volume alarm limit to minimum setting.
d. Verify the alarm signals cease.
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36
Vtmin
19
3.2
20
CMV
P
M.Vol.
O2
Vol.
60
400
320
99
2.0
12
10
18
1: 2
0
FIGURE 5-17 CMV and PCV mode alarm screen
5. Test the drive gas pressure loss alarm (whistle) and N2O cutoff.
a. Ventilate a Test Lung in the CMV mode.
b. Set the N2O/Air switch to the N2O position. (if present)
c. Set the O2 flow for one (1) L/min. Set the N2O flow to one (1) L/min. using the flow
control valves.
d. Interrupt the O2 supply to the Anestar.
e. Verify the flow of nitrous oxide stops.
f. For all units except, P/N 0998-00-3012-00210, verify the following alarms are
activated:
•
‘‘No Drive Gas’’ appears on screen
•
Oscillating audio
•
Flashing Red LED
•
Whistle sounds for 5-9 seconds
g. Verify that while O2 and N2O are lost, AIR is available in either Air or N2O switch
position, by adjusting its flow control valve.
h. For Anestar P/N 0998-00-3012-00210 interrupt the air supply to the Anestar verify
that the expected results of step f are present.
i. If necessary, adjust the time duration of the drive gas pressure loss whistle. See next
steps.
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Anestar and Anestar S Test Procedure
Calibration
Whistle
Adjustment Screw
FIGURE 5-18 O2 Whistle adjustment
j. Calibrate the drive gas Pressure Loss Whistle
• Disconnect the drive gas.
• Adjust the screw adjacent to the whistle reservoir. Shorter duration whistles
are somewhat louder. ((see FIGURE 5-18))
6. Test the Line Voltage Alarm
a. Before starting this test, verify a fully charged battery (no battery charging icon
present on the upper right edge of the screen). The icon disappears when the battery
is fully charged.
b. Interrupt AC line voltage.
c. Verify the following alarms activate:
•
Oscillating audio
•
Flashing Red LED
•
‘‘Battery Operation’’ screen message
d. (Each year) verify that a fully charged battery operates the ventilator for a minimum
of 30 minutes.
e. Plug the Anestar into AC line voltage.
f. Verify that the alarms cease.
g. Verify the presence of the battery charging icon.
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5.2.4.5
Anestar and Anestar S Test Procedure
Vaporizer tests
1. Initial Set Up
a. Rotate the Vent Dial to the Standby mode
b. Press the OPTIONS key, then press Breathing System Unlock
c. Unplug all cables leading to the Breathing System
d. Remove the Breathing System
e. Insert the agent measuring device sampling tube inside the Docking Station's fresh
gas outlet.
f. Set the O2 flow to 5 liters/minute
CAUTION:
Direct the flow from the fresh gas outlet to the waste gas
scavenger hose. Connect the other side of the hose to the
Waste Gas Scavenger. Tee the connection at the fresh gas
outlet to measure the agent gas as it flows to the scavenger.
PEEP Valve
Bellows Valve
Fresh Gas Outlet
Driving Gas Outlet
Decoupling Valve
FIGURE 5-19 Docking Station connections
2. Fill the Vaporizer
a. Fill the vaporizer with agent per the instructions in the vaporizer instruction manual.
Do not overfill by filling past the indicator line on the vaporizer.
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Anestar and Anestar S Test Procedure
Calibration
3. Test the Vaporizer accuracy
a. Rotate the dial of the vaporizer under test to the midrange setting.
b. Verify that the measured agent matches the dial setting within the accuracy tolerance
of the vaporizer. See the vaporizer instruction manual for testing details.
c. Rotate the dial of the vaporizer under test to a setting between the lowest point and
mid range.
d. Verify that the measured agent matches the dial setting within the accuracy tolerance
of the vaporizer. See the vaporizer instruction manual for testing details
e. Rotate the dial of the vaporizer under test to a setting between midrange and the
highest point.
f. Verify that the measured agent matches the dial setting within the accuracy tolerance
of the vaporizer.
g. Set the vaporizer dial to zero (OFF).
h. Verify no agent is detected.
i.
Test each vaporizer in turn.
j. Test any vaporizer on the parking position.
4. Remove the measuring device from the docking station.
5. Install the Breathing System. Connect all cables leading to the Breathing System.
6. Check for N2O Trace Gas
a. Initial Settings
•
Set the vent dial to the Standby position.
•
Perform the Compliance Test per the on-screen instructions. Ensure successful
completion.
•
Attach a test lung to the y-piece of the breathing circuit.
•
Press the O2 Flush button to fill the bag with volume.
VENTILATOR CONTROLS
VENTILATOR SETTINGS
Vent Dial
Adult
Vent Mode
CMV
Tidal Volume
500
Breath Rate
10
I:E ratio
1:2
PEEP
0
Plateau Pressure
OFF
O2 Flow Controller
Minimum setting
N2O Flow Controller
5 Liters/minute
Vaporizer under test
1.0 Vol/Vol%
•
Press START.
b. Trace Gas Testing
5 - 32
•
Place the sampling point of the N2O measuring device along the edge of the
open vaporizer, where it is mounted to the vaporizer manifold.
•
Verify that less than 1.0 V/V% of N2O and less than 0.2 V/V% agent is
detected.
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Service Software
7. Test the other vaporizer using steps above.
8. Corrective Action
a. Replace the O-ring between the vaporizer and the mount to eliminate N2O or agent
trace gases.
5.2.4.6
Electrical tests
CAUTION:
Perform the electrical safety inspection as the last step after
completing a repair or after routine maintenance. Perform
this inspection with all covers, panels, and screws installed.
1. Test convenience AC outlets.
a. Verify AC voltage is present at each AC outlet with the Anestar Mains switch in both
the ON and OFF positions.
2. Conduct electrical safety inspection.
a. Withdraw the Power Supply cable(s) of all units from the convenience receptacles at
the rear side of the Anestar.
b. Plug the Anestar into the Safety Analyzer.
c. Connect the case ground lead of the analyzer to the U-blade ground of one of the
convenience receptacles.
d. Perform the following tests with the case grounded:
•
Normal polarity
•
Normal polarity with open neutral
e. Perform the following tests with the case ungrounded:
•
Normal polarity
•
Normal polarity with open neutral
•
Reverse polarity
f. Verify the maximum leakage current does not exceed 300 µA (0.3 mA).
g. Ground Resistance (between the U-blade ground on any convenience outlet to the Ublade ground on the AC line cord)
5.3
•
Plug the Anestar into the safety analyzer.
•
Attach the resistance-measuring probe on the analyzer to the Anestar U-blade
ground on any convenience outlet.
•
Invoke the resistance function on the safety analyzer, following the instructions
for the analyzer.
•
Verify the resistance to ground is less than 0.1 ohms (100 mOhms).
Service Software
Calibration is accomplished through software driven service utilities. Access to these screens
are restricted to trained service personnel. Contact Datascope to receive more information
about biomedical equipment service seminars for both the Anestar and Anestar S models.
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Navigation through Service Diagnostic Software Screens
5.4
5.4.1
Calibration
Navigation through Service Diagnostic Software
Screens
The Main Menu
This menu provides individual screens to calibrate the O2 Sensor, Temperature Sensor, P1
Pressure Sensor, P2 Pressure Sensor, Internal Flow Sensor, External Flow Sensor and
Proportional Valve. A TEST menu containing troubleshooting utilities is also provided.
Press the Test Menu key to enter the TEST sub-menu.
O2 Sensor
P1 Sensor
P2 Sensor
Temp. Sens
Prop. V.
Service Program
Anestar
Flow int.
Charac. PV
Flow exp.
Test Menu
Exit
FIGURE 5-20 Main menu screen
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5.4.1.1
Navigation through Service Diagnostic Software Screens
The Test menu screen
This menu is a sub-menu of the Main menu. It contains software utilities used for
troubleshooting the Breathing System Motor, the Pressure, O2 and Temperature sensors, the
Proportional Valve, the Solenoid and diaphragm Valves, Power indicators, and Heating
Blanket thermal control.
Motor
Service Program
Anestar
TEST
P,O2,°C
Charac. PV
M1-M4
Misc.
Quit
FIGURE 5-21 Test menu screen
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Navigation through Service Diagnostic Software Screens
5.4.2
Calibration
Troubleshooting Utilities
1. Motor Control
a. Initial Setup
•
Press TEST MENU
•
Press MOTOR
•
Press UNLOCK and verify the Breathing System moves away from the Docking
Station
•
Remove the Breathing System from the Docking Station
Unlock
Lock
STOP
OFF
OFF
OFF
S-Start
S-Stop
SERVICE Test Motor-control
Quit
FIGURE 5-22 Breathing System, motor control screen
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Navigation through Service Diagnostic Software Screens
b. Understanding the Motor Control utility
•
•
•
•
•
This utility is NOT active for the Anestar S. On Anestar machines, press the Start
button located on the inside surface of the Docking Station and observe that it's
screen indicator illuminates as the motorized screw rotates. The motor stops on its
own after a few seconds.
Press the STOP button located on the inside surface of the Docking Station and
observe that its screen indicator illuminates.
Reinstall the Breathing System by gently pushing it back into the Docking Station.
The Start and Stop indicators will light when the motor finishes pulling in the
Breathing System.
Select QUIT to return to the Test menu.
Start button
Stop button
FIGURE 5-23 Docking Station, Start / Stop buttons
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Calibration
2. Pressure, O2 and Temp
Positive or negative offsets in P1 and P2 may influence various pressure displays seen in
normal operation and may cause inadvertent user messages to appear. P1 and P2
calibration is found in sections 5.4.3.2 and 5.4.3.3.
a. Initial Set Up
•
Press TEST MENU.
•
Press the P, O2, °C key.
02
P1
P2
Temp
21.0
0.0
0.1
32.1
AVM 31
[%] [mBar] [mBar] [°C]
21.2
0.0
AVM 32
0.1
SERVICE Test P, O2 and T Sensors
Quit
FIGURE 5-24 P, O2, °C test screen
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Navigation through Service Diagnostic Software Screens
b. Understanding the P,O,C utility's O2 display
•
Attach a source of O2 pressure to the Anestar. Do not connect N2O or Air.
•
Attach the Y-piece to the Bag Arm port where the bag would normally go.
•
Set the APL Valve to the fully (clockwise) closed position.
•
Remove the O2 Cell from its mount.
•
Observe that the O2 displays 21% +/-1 digit after 2 minutes stabilization.
•
O2 calibration is found in section 5.4.3.1.
02
P1
P2
Temp
21.0
0.0
0.1
32.1
AVM 31
[%] [mBar] [mBar] [°C]
21.2
0.0
AVM 32
0.1
SERVICE Test P, O2 and T Sensors
Quit
FIGURE 5-25 Pressure, O2 and Temperature screen
c. Understanding the P,O,C utility's P1 and P2 displays
Anestar™ Systems Service Manual
•
Observe that P1 and P2 values for both the AVM31 and AVM32 rows display
0.0 +/-1.0 mbar when the O2 cell is disconnected.
•
Place the O2 cell back into it's mount.
•
Flow in fresh gas until P1 AVM31 reads approximately 40 cm H2O.
•
Observe that P1 and P2 values for both the AVM31 and AVM32 rows are within
2.0 mbar of each other after stabilization. P1 and P2 calibration is found in
sections 5.4.3.2 and 5.4.3.3.
•
Release system pressure by opening the APL valve.
•
Select QUIT to return to the Test menu.
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Navigation through Service Diagnostic Software Screens
Calibration
3. Proportional Valve (Charac. PV) Testing
This diagnostic screen is designed to observe the proportional valve output, monitored
and servo-controlled by the internal flow sensor. With a precisely calibrated internal
flow sensor and proportional valve, the accuracy of flow output shall be within +/- 10%
of the setting. This diagnostic screen should not be confused with the calibration screen
of the same name, located in the calibration (ANESTAR) menu.
a. Initial Set Up
•
Press TEST MENU.
•
Press MOTOR.
•
Use the UNLOCK command to remove the Breathing System.
•
Press QUIT while in the Test menu.
•
Press CHARAC. PV.
1/min
0 1/min
0.0
0
20
40
60
80
100 1/min
0.0
1
2
4
6
AVM 31
AVM 32
8 10 12 15 20 25 30 35 40 45 50 55 60 65 70 75
SERVICE Test Char. Prop. Valve
Quit
FIGURE 5-26 Proportional Valve test screen
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b. Understanding the Charac. PV Utility
•
Attach only drive gas pressure to the Anestar.
•
Attach a flow meter directly to the Drive Gas Outlet port on the Docking Station.
•
Use the UP/DOWN arrow keys to move the arrow to the desired flow.
•
Press ENTER to start the flow of gas.
•
Observe the AVM31 and AVM32 values. Set the flow rate to each screen setting
(1-75) using the UP arrow to move the screen pointer arrow. The measured
values' accuracy tolerance between 10-60 liters per minute must be within +/10% of the selected value. It is typical for the output flow to vary +/- 2% of
reading after a 30 second stabilization period.
•
Use this utility to confirm a suspected problem with the proportional valve,
Internal flow sensor or 29 psi regulator.
•
Press '0 l/min' to stop the flow of gas.
•
Select QUIT to return to the Test menu.
•
Reinstall the Breathing System using the Motor Control diagnostic screen.
Driving Gas Outlet
FIGURE 5-27 Docking Station, drive gas outlet
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Navigation through Service Diagnostic Software Screens
Calibration
4. MV1-MV4
a. Initial Set Up
•
Press TEST MENU.
•
Select MOTOR.
•
Select UNLOCK to remove the Breathing System.
•
Attach a (pressure) measuring device to the Docking Station's Expiratory valve
connection.
•
Select QUIT.
•
Select M1-M4.
MVI
MV2
MV3
MV4
OFF
OFF
OFF
OFF
SERVICE TEST Solenoid Valves
Quit
FIGURE 5-28 Solenoid Valves MV-1 MV-4 test screen
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Navigation through Service Diagnostic Software Screens
b. Understanding the MV-1MV4 Utility
•
Attach only drive gas pressure to the Anestar.
•
Activate the MV1 valve by pressing its on-screen label.
•
Verify that there is a dead-end pressure between 1.8 and 4.0 psi measured at
the Docking Station's Bellows Valve connection.
•
Deactivate MV1 and activate the MV3 Valve.
•
Verify that there is a dead-end pressure between 1.8 and 4.0 psi measured at
the Docking Station's Fresh Gas Decoupling valve connection.
•
Deactivate MV3 and activate both MV2 and MV4.
•
Verify that there is a dead-end pressure between 1.8 and 4.0 psi measured at
the Docking Station's PEEP Valve connection.
•
If necessary, calibrate the low pressure regulator to 2.9 psi. (see below)
•
If the pressure is within specification, Press QUIT to return to the Main menu.
PEEP Valve
Bellows Valve
FGD Valve
FIGURE 5-29 Docking Station Valve Ports
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Calibration
c. Calibrate the 2.9 psi Regulator
•
Activate the MV3 Valve.
•
Using a pressure measuring device measure the pressure at the Docking Station's
FGD Valve connection.
•
Set the 2.9 psi regulator's adjustment screw to obtain a pressure of 2.9 psi +/0.4 psi.
•
Press QUIT to return to the Test menu.
•
Press MOTOR. Insert the Breathing System.
•
Observe draw-in and confirm the S-Stop illuminates.
Low Pressure
Regulator Adjustment
Screw
FIGURE 5-30 Low Pressure 2.9 psi Regulator
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Navigation through Service Diagnostic Software Screens
5. Power and Heater Control (Misc.)
a. Initial Set Up
•
Press TEST MENU.
•
If not already installed, install the Breathing System using the MOTOR test
screen.
•
QUIT the MOTOR screen.
•
Press MISC.
b. Understanding the Power Control Utility
•
Unplug the AC mains cable and observe the indicator changes from AC-OK to
AC-Fail.
•
Plug in the AC mains cable and verify the BATT indicator flashes (charging) for
several minutes before remaining lit (fully charged).
•
Select QUIT to return to the Test menu.
HEAT
OFF
Power Control
AC-OK
BATT
SERVICE Test Misc
Quit
FIGURE 5-31 Power and Heater Control Screen
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Calibration
c. Understanding the Heat Control Utility (Misc.)
Use this utility to ensure heater activity during troubleshooting or to warm up the Breathing
System prior to calibrating the External Flow Sensor.
Observe that the Temp Max indicator will only illuminate on the Anestar S after reaching
approximately 50 degrees C. The Anestar does not utilize the 'Temp Max' over-temperature
sensor indicator.
• Press HEAT to turn on the Breathing System's heating system. The indicator will
display ON. Pressing QUIT will turn the heating system off.
• Turn off the heating system by pressing HEAT to set the indicator to 'OFF'.
• Press QUIT to return to the Test menu.
• Press QUIT to return to the Main menu.
HEAT
OFF
Power Control
AC-OK
BATT
SERVICE Test Misc
Quit
FIGURE 5-32 Power and Heater Control Screen
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5.4.3
Calibration
5.4.3.1
O2 sensor ADC calibration
Calibrate the O2 Sensor when performing an ‘‘O2 CAL’’ in the OPTIONS menu.
1. Initial Set Up
a. Start in the Main Menu
b. Press O2 SENSOR to enter the O2 sensor screen.
MIN
MAX
Save
20.0
0%
20%
40%
60%
80%
AVM31
100%
20.0
AVM32
SERVICE O2 Calibration
Quit
FIGURE 5-33 O2 Calibration in progress screen
2. Minimum range calibration.
a. Place the oxygen sensor into room air (21% O2) for 2 minutes.
b. Adjust O2 OFFS potentiometer (P5, AVM32) until the lower screen bar graph value
shows 20% +/- 0.2%. Reference the trim pot locations from the pullout page at the
end of this chapter.
c. Press MIN on the touch screen to record the value.
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Calibration
3. Maximum range calibration
a. Place the oxygen sensor into 100% O2.
b. Apply 100% oxygen until the cell stabilizes at 100% O2.
c. Adjust O2 GAIN potentiometer (P6, AVM32) until the lower bar graph value
indicates the highest value possible, not exceeding 80%. Reference the trim pot
locations from the pullout page.
d. Press MAX on the touch screen to record the value.
e. Remove the source of 100% O2 and vent the O2 cell to (21%) room air.
f. Verify that the 20% setting has not changed more than +/-0.2%.
4. Press SAVE on the touch screen to store both the minimum and maximum values into
memory.
5. Press the SAVE key until the on-screen label changes from 'save' to 'saved'.
6. Press QUIT to return to the Main menu.
5.4.3.2
P1 Pressure sensor ADC Calibration
Calibrate the P1 and P2 pressure sensor channels together at annual intervals, after
changing the Module 2 pcb, if indications are that one is out of specification or if peak
pressure readings in ventilation modes are suspected to be out of calibration.
1. Initial Set Up
a. Start in the Main menu.
b. Press P1 SENSOR to enter the P1 Sensor screen.
MIN
MAX
Save
20.0
0%
20%
40%
60%
80%
AVM31
100%
20.0
AVM32
SERVICE P1 Calibration
Quit
FIGURE 5-34 P1 Calibration screen
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Calibration
Navigation through Service Diagnostic Software Screens
2. Minimum range calibration
a. Apply ambient pressure to the system by removing the breathing circuit from the
Breathing System.
b. Turn the P1 OFFS potentiometer (P11, AVM32) until the lower screen bar graph
shows 20% +/- 0.2%. Reference the trim pot locations from the pullout page.
c. Press MIN on the touch screen to record the value.
3. Maximum range calibration
a. Attach a breathing circuit to the Breathing System.
b. Attach the open port of the Y-piece to the Bag Arm port where the bag would
normally be.
c. Attach a calibrated pressure meter to the breathing circuit. A convenient place to
measure this pressure is at a lure lock port at the breathing circuit's Y-piece.
d. Set the APL valve to the MAX position (fully closed).
e. Increase the fresh gas flow rate until a stabilized pressure of 80 cm H2O (58.8
mmHg) has been achieved as indicated by the pressure meter.
f. Adjust the P1 GAIN potentiometer (P10, AVM32) until the lower screen bar graph
shows 80%+/-0.2%. Reference the trim pot locations from the pullout page.
4. Press MAX on the touch screen.
5. Release the pressure and verify that the 20% setting has not changed more than +/0.2%.
6. Press SAVE on the touch screen to store both the minimum and maximum values in
memory.
7. Press the SAVE key until the on-screen label changes from save to saved.
8. Press QUIT to return to the Main menu.
9. Vent the system by setting the APL valve to VENT (CMV).
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5.4.3.3
Calibration
P2 Pressure sensor ADC Calibration
Calibrate the P1 and P2 pressure sensor channels together at annual intervals, after
changing the Module 2 pcb, if indications are that one is out of specification or if peak
pressure readings in ventilation modes are suspected to be out of calibration.
1. Initial Set Up
a. Start in the Main menu.
b. Press P2 SENSOR to enter the P2 Sensor screen.
MIN
MAX
Save
20.0
0%
20%
40%
60%
80%
AVM31
100%
20.0
AVM32
SERVICE P2 Calibration
Quit
FIGURE 5-35 Calibration screen
2. Minimum range calibration
a. Apply ambient pressure to the system by removing the breathing circuit from the
Breathing System.
b. Turn the P2 OFFS potentiometer (P8, AVM32) until the lower screen bar graph
shows 20% +/- 0.2%. Reference the trim pot locations from the pullout page.
c. Press MIN on the touch screen to record the value.
3. Maximum range calibration
a. Attach a breathing circuit to the Breathing System.
b. Attach the open port of the Y-piece to the Bag Arm port where the bag would
normally be.
c. Attach a calibrated pressure meter to the breathing circuit. A convenient place to
measure this pressure is at a lure lock port at the breathing circuit's Y-piece.
d. Set the APL valve to the MAX position (fully closed).Increase the fresh gas flow rate
until a stabilized pressure of 80 cm H2O (58.8 mmHg) has been achieved as
indicated by the pressure meter.Adjust the P2 GAIN potentiometer (P7, AVM32)
until the lower screen bar graph shows 80%+/-0.2%. Reference the trim pot
locations from the pullout page.
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4. Press MAX on the touch screen.
5. Release the pressure and verify that the 20% setting has not changed more than +/0.2%.
6. Press SAVE on the touch screen to store both the minimum and maximum values in
memory.
7. Press the SAVE key until the on-screen label changes from 'save' to 'saved'.
8. Press QUIT to return to the Main menu.
9. Vent the system by setting the APL valve to VENT (CMV).
5.4.4
Temperature Sensor ADC Min-Max calibration
Calibrate the temperature sensor after changing the sensor or after changing the Module 2
pcb.
1. Initial Set Up
a. Start in the Main menu.
b. Press TEMP.SENS to enter the Temperature Sensor screen.
MIN
Save
MAX
20.0
0%
20%
40%
60%
80%
AVM31
100%
SERVICE Temp Calibration
Quit
FIGURE 5-36 Temperature Sensor screen
2. Minimum range calibration.
a. Connect the Anestar Temp Simulator (0138-00-0014) directly to the X7 connector on
the AVM31 PC board. Reference the X7 connector locations from the pullout page.
b. Apply a simulated temperature of 0°C (Min).
c. Turn the TEMP OFF potentiometer (P1, AVM31) until the bar graph value shows
20% +/- 0.2%. Reference the trim pot locations from the pullout page.
d. Press MIN on the touch screen to record the value.
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Calibration
3. Maximum range calibration.
a. Apply a simulated temperature of 60° C (Max).
b. Turn the TEMP GAIN potentiometer (P2, AVM31) until the bar graph value shows
80% +/- 0.2%. Reference the trim pot locations from the pullout page.
c. Press MAX on the touch screen to record the value.
d. Switch to minimum temp and verify that the 20% setting has not changed more than
+/- 0.2%.
4. Press SAVE on the touch screen until the on-screen label changes from 'save' to 'saved'.
5. Press QUIT to return to the Main menu.
6.
5.4.4.1
Replace the Temp simulator with the original cable previously plugged into X7.
High Pressure 29 psi Regulator
Calibrate the 29 psi regulator annually or prior to calibrating the Internal Flow Sensor and
Proportional Valve ADC Min-Max, or as indicated by the Test Mode's Charac PV flow rates
being out of specification.
Calibrating the 29 psi regulator mandates that the Internal Flow Sensor and Proportional
Valve be calibrated afterward.
1. Initial Set Up
a. Remove the drive pressure source from the Anestar.
b. Disconnect the green hose from the input of the Proportional Valve.
c. Place a pressure meter at the high pressure regulator output (end of the green hose).
d. Reconnect the drive pressure source.
2. Calibrating the 29 psi regulator
a. Adjust the high pressure regulator by loosening its locking nut and turning the
adjustment screw until a pressure between 27 and 29 psi is displayed on the
pressure meter. Do not set over 29 psi.
b. Re-tighten the locking nut.
3. Restore the Pressure Connection
a. Remove the drive pressure source.
b. Remove the pressure meter and reconnect the green hose.
c. Reconnect the drive pressure source.
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Low Pressure
Regulator Adjustment
Screw
High Pressure
Regulator Output
High Pressure
Regulator
Adjustment Screw
FIGURE 5-37 High Pressure 29 psi Regulator
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5.4.4.2
Calibration
Proportional Valve (PV) ADC Min-Max calibration
Calibrate the (Prop V) analog to digital converter as a first step to completing the (Flow Int)
internal flow sensor and proportional valve Charac PV calibration.
NOTE:
Never perform any one of these calibration actions without
performing all in sequence, (Prop V.) Prop Valve ADC MinMax, Flow Divider Adjustment, (Flow Int.) Internal Flow
Sensor and (Charac. PV) Proportional Valve.
Calibrate these steps when changing either the internal flow sensor, proportional valve or
after changing the flow divider adjustment.
1. Initial Set Up
a. Press TEST MENU.
b. Press MOTOR.
c. Press UNLOCK to remove the Breathing System.
d. Press QUIT to return to the Test menu.
e. Press QUIT again to return to the Main menu
f. Press PROP.V to enter the Proportional Valve screen.
MIN
0%
20%
MAX
40%
60%
80%
Save
3.0
AVM31
3.0
AVM32
100%
SERVICE Prop Valve Calibration
Quit
FIGURE 5-38 Proportional Valve Calibration screen
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2. Minimum range calibration.
a. Attach a calibrated flow meter to the drive gas outlet (Proportional Valve output) on
the Docking Station.
b. Press MIN to close the Proportional Valve. The flow should go to zero.
c. Turn the P.V.OFF potentiometer (P1, AVM32) until lower bar graph displays 3% +/
- 0.2%. Reference the trim pot locations from the pullout page.
d. Press MIN again to record the value.
MIN
0%
20%
MAX
40%
60%
80%
Save
3.0
AVM31
3.0
AVM32
100%
SERVICE Prop Valve Calibration
Quit
FIGURE 5-39 Lower bar graph displays 3.0 percent
3. Maximum range calibration.
a. Press MAX to open the Proportional Valve for maximum flow.
b. Turn the P.V.GAIN potentiometer (P2, AVM32) until lower bar graph displays 97%
+/- 0.2%. Reference the trim pot locations from the pullout page.
c. Press MAX again to record the value.
d. Press SAVE on the touch screen until the on-screen label changes from save to
saved.
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Calibration
4. Flow Divider Adjustment
Calibrate the flow divider adjustment as part of completing the Prop Valve ADC (Prop V),
internal flow sensor (Flow Int) and proportional valve (Charac PV) calibration.
NOTE:
Never perform any one of these calibration actions without
performing all in sequence, (Prop V.) Prop Valve ADC MinMax, Flow Divider Adjustment, (Flow Int.) Internal Flow
Sensor and (Charac. PV) Proportional Valve.
Calibrate these steps when changing either the flow divider, internal flow sensor or
proportional valve.
a. With the Proportional Valve still open flowing at maximum, adjust the flow divider
adjustment screw for 4.6 +/- 0.2vdc measured between X5-1 and Ground (AVM32
PC board) Reference X5 on the pull-out page.
Flow divider adjustment
screw
FIGURE 5-40 Flow Divider adjustment
Drive gas outlet
FIGURE 5-41 Docking Station, drive gas outlet
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Calibration
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b. Measure the flow at the Drive Gas Outlet and verify that it is 75 liters/minute +/- 5
liters/minute.
c. Note the maximum flow rate measured. This flow rate value is required in when
(Charac PV) characterizing the proportional valve.
d. Press MIN to stop the flow. Press QUIT.
5.4.4.3
Internal Flow Sensor ADC Min-Max Calibration
Calibrate the (Flow Int) analog to digital converter as the next step after completing the (Prop
V) proportional valve analog to digital converter and before calibrating the (Charac.PV)
proportional valve.
NOTE:
Never perform any one of these calibration actions without
performing all in sequence, (Prop V.) Prop Valve ADC MinMax, Flow Divider Adjustment, (Flow Int.) Internal Flow
Sensor and (Charac. PV) Proportional Valve.
Calibrate these steps when changing either the internal flow sensor, proportional valve or
after changing the flow divider adjustment.
1. Initial Set Up
a. Press FLOW.INT to enter the Internal Flow Sensor screen.
MIN
MAX
2.8
0%
20%
40%
60%
80%
Save
AVM31
100%
2.8
AVM32
SERVICE int. Flowsensor Calibration
Quit
FIGURE 5-42 Internal Flowsensor Calibration screen
2. Minimum range calibration.
a. Press MIN to close the Proportional Valve. The flow should go to zero.
b. Press MIN again to record the value.
3. Maximum range calibration.
a. Press MAX to open the Proportional Valve for maximum flow.
b. Press MAX again to record the value.
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Calibration
4. Press SAVE on the touch screen until the on-screen label changes from save to saved.
5. Press MIN on the touch screen to stop the flow of gas.
6. Press QUIT to return to the Main menu.
5.4.4.4
Proportional Valve Calibration
Calibrate the (Charac PV) proportional valve as the last step after completing the (Prop V)
proportional valve analog to digital converter and calibrating the (Flow Int) internal flow
sensor.
NOTE:
Never perform any one of these calibration actions without
performing all in sequence, (Prop V.) Prop Valve ADC MinMax, Flow Divider Adjustment, (Flow Int.) Internal Flow
Sensor and (Charac. PV) Proportional Valve.
Calibrate these steps when changing either the internal flow sensor, proportional valve or
after changing the flow divider adjustment.
1. Initial Set Up
a. Press CHARAC. PV to enter the Proportional Valve Calibration screen.
b. Attach a flow meter to the drive gas outlet on the Docking Station.
PEEP Valve
Bellows Valve
Driving Gas Outlet
Fresh Gas Outlet
Decoupling Valve
FIGURE 5-43 Docking Station connections
c. Verify the DAC value is at -- -- -- or 000.
d. If not at -- -- -- or 000, then press -256 until 0 is displayed as a DAC value. Then
press QUIT and re-enter the Charac PV calibration screen.
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save
3821 DAC
4k
3k
2k
1k
0
1
2
4
6
8 10 12 15 20 25 30 35 40 45 50 55 60 65 70 75
SERVICE Char. Prop. Valve Calibration
+256
+1
+16
+258
Quit
FIGURE 5-44 Proportional Valve Calibration screen
2. Understanding the Charac. PV screen controls
a. Calibrate the Proportional Valve by pressing the increment keys along the bottom
edge of the screen, until the flow meter displays the number that the on-screen arrow
is pointing to.
b. When each flow is achieved within the limits specified press ENTER to advance the
arrow to the right.
c. Set the 75 liter/minute setting to a flow rate that is 2 Liters lower than the flow rate
noted previously when adjusting the Flow Divider.
d. Pressing ENTER sets the last (75 Liter/minute) value.
e. If an adjustment error has been committed, QUIT the screen and begin again by
pressing -256 as needed to ensure the DAC value starts at 000.
3. Start Calibrating the Proportional Valve
a. Begin with 1 liter per minute
b. Increment the 256, 16 or 1 screen keys as necessary to set each flow rate (measured
by the flow meter) to a value within the limits specified in table 1 below.
FLOW RATE SET POINT
VOLUME/VOLUME% RANGE
PERCENT OF READING
1 l/min
+0 / - 0.1
10%
2 l/min
+0 / - 0.1
5%
4 l/min
+0 / - 0.1
3%
6 l/min
+0 / - 0.1
3%
8 l/min
+0 / - 0.2
3%
10 l/min
+0 / - 0.4
4%
12 l/min
+0 / - 0.5
4%
15 l/min
+0 / - 0.6
4%
20 l/min
+0 / - 0.7
3%
25 l/min
+0 / - 0.8
3%
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Calibration
FLOW RATE SET POINT
VOLUME/VOLUME% RANGE
PERCENT OF READING
30 l/min
+0 / - 0.9
3%
35 l/min
+0 / - 1.0
3%
40 l/min
+0 / - 1.2
3%
45 1/min
+0 / - 1.3
3%
50 l/min
+0 / - 1.5
3%
55 l/min
+0 / - 1.6
3%
60 l/min
+0 / - 1.6
3%
65 l/min
+0 / - 2.8
3%
70 l/min
+0 / - 3.5
5%
75 l/min
+0 / - 7.5
10%
4. Saving Data into memory
a. When all settings are made, press SAVE on the touch screen until the on-screen
label changes from 'save' to 'saved'.
b. Press SAVE on the touch screen again and watch the indicator flash again.
c. Select QUIT to stop the flow of gas and return to the Main menu.
5. Test the Proportional Valve in the TEST menu's Charac PV screen.
a. From the Main menu, press TEST MENU.
b. Press Charac PV and refer to section 5.4.4.4, Proportional Valve Testing.
c. Step through each flow rate and ensure that the flow rate settings inclusive of 10-50
liters/minute settings match the flow meter measurement +/- 10%.
d. Select QUIT to stop the flow of gas and return to the TEST menu.
5.4.4.5
External Flow Sensor Calibration
Calibrate the flow sensor channel when replacing the Module 2 printed circuit. Use the fine
tuning method whenever practical to do so.
1. Initial Set Up
a. Enter the Service Software
b. Press TEST MENU.
c. Press P,O,°C.
d. Verify a Temp of 30 +/- 10° C.
•
If the temperature is too low, warm up the Breathing System.
•
If the temperature is within specification, go to the Flow Ext Screen.
2. Warming up the Breathing System
a. Press MISC.
b. Activate the Breathing System heater by pressing the HEAT key. The screen indicator
will display ON.
c. Wait 10 minutes for breathing system to warm.
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HEAT
OFF
Power Control
AC-OK
BATT
SERVICE Test Misc
Quit
FIGURE 5-45 MISC screen
d. Switch to the P,O2,°C screen and monitor the temperature.
e. Ensure a temperature reaches 30°C (+/-10°C), press QUIT twice (2x) to return to
the Main menu.
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Calibration
02
P1
P2
Temp
21.0
0.0
0.1
32.1
AVM 31
[%] [mBar] [mBar] [°C]
21.2
0.0
AVM 32
0.1
SERVICE Test P, O2 and T Sensors
Quit
FIGURE 5-46 P,O2,C screen
f. Press FLOW EXT on the main (calibration) menu screen.
49.8
0%
0
20%
819
40%
1638
60%
2457
80%
3276
AVM31
100%
50.0
AVM32
899
DAC
4095
SERVICE ext. Flowsensor Calibration
-16
-1
+1
+16
Quit
FIGURE 5-47 External Flowsensor Calibration screen
3. Setting up the Flow Ext Screen
a. With the Breathing System still warm, disconnect any breathing circuit that may be
attached and verify that there is no gas flow at the EXSP or INSP ports on the
Breathing System.
b. Increase the DAC value using the increment keys until the screen (lower) bar graph
(AVM32) descends to 50.0% +/- 0.2%.
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4. Measuring the DC Volts at V13 Pin 8 (or x8 Pin 4):
a. Place the positive probe of a DVM to V13 Pin 8 on the AVM 3-2 pcb.
b. Place the negative probe to the pcb ground lug. (Refer to the pullout page in this
chapter.)
c. Record the voltage at Pin 8 of V13 as Reading #1.
5. Measuring the DC Volts at the junction of R35 and R19 (or x8 Pin 1):
a. Place the negative probe of a DVM to the junction of R35 and R19 (rear of AVM32
PC-board).
b. Place the positive probe of the DVM to the pcb ground pin. Refer to the pullout page
of this chapter.
c. Record the voltage at the junction of R35 and R19 as Reading #2.
6. Calculate the Ratio
a. Divide reading #2 by Reading #1 to derive the ratio 1.400
b. Adjust P3 on the AVM32 PC-board as necessary for a 1.400 +/- 0.04 ratio.
7. Fine Tuning Tidal Volume Adjustment P3
a. Return to the ‘External Flow Sensor Fine Tuning’ section.
b. Adjust P3 as directed until the tidal volume displayed on the screen matches the tidal
volume delivered +/- 10%.
•
Anestar™ Systems Service Manual
Counter-Clockwise rotation of P3 increases the ratio and the tidal volume
measurement.
0070-10-0526
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5.4.4.6
Calibration
O2 Flow Calibration
NOTE:
The minimum flow may be adjusted on flow meter module part number 0997-00-0978). There is no minimum flow
adjustment on flow meter module - part number 0997-001000).
Flow Meter Module, Minimum O2 Flow Calibration (0997-00-0978)
1. Remove the O2, Air and N2O flow control knobs.
2. Slide the Flow Meter Module back far enough to access the adjustment screw.
3. Ensure the Flow Meter is level prior to adjusting the screw.
4. Adjust the Allen screw (see FIGURE 5-48) to 250 (+100/- 50) mL/min.
5. Reinstall the Flow Meter Module and replace the knobs.
Adjustment
Screw
FIGURE 5-48 Flow Meter Module (0997-00-0978)
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Adjustment
Screw
FIGURE 5-49 Flow Meter Module (0997-00-1000)
5.4.5
Checkout Recommendations
Prior to certifying the Anestar ready for use, perform all steps in the Functional Checkout
detailed in Chapter 6 of this instruction manual.
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Calibration
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TEMP GAIN
TEMP OFF
Temp Simulator Connector
8
READING #2: x8 PIN 1
READING #1: x8 PIN 4
O2 OFF
Ground
P3
4.60 VDC Pin
7
O2 GAIN
6
P2 OFFS
5
P2 GAIN
4
P1 OFFS
3
P1 GAIN
2
P.V.GAIN
1
P.V.OFF
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Ventilator Performance
5.5
Ventilator Performance
5.5.1
Performance check
1. Power on the fully assembled Anestar.
2. Perform the Compliance Test. Ensure successful completion.
3. Press the O2 Flush button to fill the bag with volume.
4. Ventilate a test lung in the STANDBY, MANUAL, CMV and PCV Adult and Pediatric
modes.
5. Set each ventilator setting to various values within each one's range and verify
pneumatic and display performance changes.
6. Turn the Anestar off.
31
14
3.1
CMV
20
40
20
0
-5
0
2
4
6
8
10
12
14
16
Tidal Volume lower than Vtmin
Peak pressure greater than alarm limit
310
10
1: 2
0
FIGURE 5-51 Operating Ventilator’s screen display
5.5.2
Checkout Recommendations
Prior to certifying the Anestar ready for use, perform all steps in the Functional Checkout
detailed in Chapter 6 of this manual.
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6.0
Preventive Maintenance
6.1
Maintenance Schedule
The following is a list of activities required for periodic maintenance of the Anestar
Anesthesia System. Physical inspection, replacement of consumables and performance
checks should be periodically performed per the schedule listed below. Certain calibration
adjustments are required only after replacing one or both of the active devices. Datascope is
not responsible for component failure or loss resulting from the use of stated consumables
beyond their recommended replacement interval. These are noted in the Preventive
Maintenance Checklist on the following pages:
6.2
Functional Checkout
The Functional Checkout is a set of service activities to be performed after initial installation
or re-installation and after performing any internal servicing or preventive maintenance
activity.
6.3
Routine Maintenance Program
The Functional Checkout is a set of service activities to be performed after installation and
after performing any internal servicing or preventive maintenance activity. The 6 Month
Preventive Maintenance checkout is a set of activities to be performed six months (1250 hrs
minimum) after initial installation and six months after the 12 Month Preventive Maintenance
checkout. The 12 Month Checkout is a set of activities to be performed one year (2500 hrs
minimum) after installation and 6 months after the 6 Month Preventive Maintenance
checkout. The 36 Month Preventive Maintenance checkout is a comprehensive set of
activities to be performed after 36 months (7500 hrs minimum) of use. Utilize this table as a
checklist of activities that are described fully in the Calibration Procedure found in Chapter 5
of this Service Manual.
Anestar™ Systems Service Manual
0070-10-0526
6-1
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
1.
Verify the Anestar has no physical damage that
would prevent operation.
INSPECT
INSPECT
INSPECT
INSPECT
n/a
2.
Verify breathing circuit consumables and CO2
absorbent are present.
INSPECT
INSPECT
INSPECT
INSPECT
n/a
3.
Verify vaporizers are filled but not overfilled.
INSPECT
INSPECT
INSPECT
INSPECT
n/a
4.
Verify Preoperative Checkout List is attached.
INSPECT
INSPECT
INSPECT
INSPECT
0070-00-0518
5.
Verify tank wrench is attached.
INSPECT
INSPECT
INSPECT
INSPECT
0367-00-0080
6.
Verify waste gas scavenger hose to APL valve is not
damaged. Drain any moisture.
INSPECT
INSPECT
INSPECT
INSPECT
0004-00-0074
7.
Verify O2, N2O, Air, VAC and EVAC Supply Hoses
(as applicable) are not damaged.
INSPECT
INSPECT
INSPECT
INSPECT
n/a
8.
Verify that the AC line cord is not frayed or
damaged.
INSPECT
INSPECT
INSPECT
INSPECT
n/a
9.
Inspect/Replace the threaded insert for the CO2
absorber (Anestar S only)
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
INSPECT
n/a
10.
Inspect/Replace the spindle nut on the Breathing
System.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
INSPECT
0376-00-0014
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
CONSUMABLE PARTS
Inspect/Clean fan filter.
INSPECT
CLEAN
CLEAN
REPLACE
0202-00-0154
2.
Inspect/Replace Decoupling valve membrane.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0348-00-0197
3.
Inspect/Replace Bellows valve membrane.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0348-00-0197
4.
Inspect/Replace Expiratory valve membrane.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0348-00-0197
5.
Inspect/Replace O-ring of the CO2 Absorber.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0098
6.
Inspect/Replace two O-rings on Bag Arm.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0104
7.
Inspect/Replace V-seal of the CO2 Absorber.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0088
8.
Inspect/Replace Breathing System's threaded insert
for the CO2 Absorber is intact (Anestar S).
NOT REQUIRED
INSPECT
INSPECT
INSPECT
n/a
Preventive Maintenance
Anestar™ Systems Service Manual
1.
Routine Maintenance Program
6-2
VISUAL INSPECTION
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
Inspect/Replace the spindle nut on the Breathing
System.
NOT REQUIRED
INSPECT
INSPECT
INSPECT
n/a
10.
Inspect/Replace O-ring on Bellows dome.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0082
11.
Inspect/Replace each vaporizer mount's two Orings on the manifold.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0103
12.
Inspect/Replace drive gas O-ring on the docking
station.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0102
13.
Inspect/Replace fresh gas O-ring on the docking
station.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0102
14.
Inspect/Replace the O2 flush O-ring on the docking
station.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0102
15.
Inspect/Replace Inspiratory port O-ring on the
docking station.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0102
16.
Inspect/Replace Expiratory port O-ring on the
docking station.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0102
17.
Inspect/Replace the Flat O-Ring on the loose fill
Absorber (Anestar S only)
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0134
18.
Inspect/Replace the O-ring on the loose fill
absorber (Anestar S only)
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0082
19.
Inspect/Clean/Replace O2 water trap filter
NOT REQUIRED
INSPECT
INSPECT
REPLACE
0378-00-0051
20.
Inspect/Clean/Replace N2O water trap filter
NOT REQUIRED
INSPECT
INSPECT
REPLACE
0378-00-0051
21.
Inspect/Clean/Replace AIR water trap filter
NOT REQUIRED
INSPECT
INSPECT
REPLACE
0378-00-0051
22.
Inspect/Replace RED O-ring between O2 tank and
yoke.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0354-00-0100
23.
Inspect/Replace BLACK O-ring between N2O tank
and yoke.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0354-00-0101
24.
Inspect/Replace BLACK O-ring between Air tank
and yoke.
NOT REQUIRED
INSPECT
REPLACE
REPLACE
0354-00-0101
25.
Inspect/Replace APL valve membrane.
NOT REQUIRED
REPLACE
REPLACE
REPLACE
0354-00-0093
26.
Inspect/Replace Inspiratory valve O-ring.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0095
27.
Inspect/Replace Inspiratory valve disk.
NOT REQUIRED
NOT REQUIRED
INSPECT
REPLACE
0354-00-0089
28.
Inspect/Replace Expiratory (passive) valve
O-ring.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0095
29.
Inspect/Replace Expiratory (passive) valve disk.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
REPLACE
0354-00-0089
Routine Maintenance Program
6-3
9.
Preventive Maintenance
Anestar™ Systems Service Manual
CONSUMABLE PARTS
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
Replace Decoupling valve bellow
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0208
31.
Replace Decoupling valve O-ring
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0210
32.
Replace Decoupling valve flat O-ring
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0134
33.
Replace Bellows valve bellow (Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0208
34.
Replace Bellows valve O-ring (Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0210
35.
Replace Bellows valve flat O-ring
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0134
36.
Replace Expiratory valve bellow
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0208
37.
Replace Expiratory valve O-ring
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0210
38.
Replace Expiratory valve flat ring
(Anestar S only)
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0134
39.
Inspect/Replace two O-rings on Airway pressure
gauge.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0102
40.
Inspect/Replace each vaporizer's Locking Spring
on the manifold.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0214-00-0245
41.
Replace O2 Cell diffuser O-ring.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0113
42.
Replace O2 Cell.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0600-00-0070
43.
Inspect/Replace the two O-rings on the (passive)
expiratory valve seat (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0206
44.
Inspect/Replace the O-ring under the expiratory
valve seat screw (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0207
45.
Inspect/Replace the two O-rings on the negative
pressure relief valve seat (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0206
46.
Inspect/Replace the O-ring under the negative
pressure relief valve seat screw (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0207
47.
Inspect/Replace the O-ring on the Inspiratory valve
seat (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0206
48.
Inspect/Replace the O-ring under the Inspiratory
valve seat screw (Anestar S only).
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0348-00-0207
Preventive Maintenance
Anestar™ Systems Service Manual
30.
Routine Maintenance Program
6-4
CONSUMABLE PARTS
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
Inspect/Replace O-rings on plug for the breathing
circuit Y-fitting.
NOT REQUIRED
NOT REQUIRED
REPLACE
REPLACE
0354-00-0102
50.
Inspect/Replace Negative Pressure relief valve
membrane.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
REPLACE
0354-00-0091
51.
Inspect/Replace Bellows.
NOT REQUIRED
NOT REQUIRED
INSPECT
INSPECT
0997-00-0964
52.
Inspect/Replace Bellows foam cushion.
NOT REQUIRED
NOT REQUIRED
INSPECT
REPLACE
0992-00-0137
53.
Inspect/Replace the internal battery (3 years).
NOT REQUIRED
NOT REQUIRED
INSPECT
REPLACE
0146-00-0075
1.
Verify Line and Cylinder gauges indicate
appropriate pressures; O2, N2O, Air (as
available).
CHECK
CHECK
CHECK
CHECK
n/a
2.
Verify minimum O2 flow of 250ml/min - with only
O2 wall pressure attached.
CHECK
CHECK
CHECK
CHECK
n/a
3.
Successfully pass the Compliance Test at start up
(leak < 300 mL/min).
CHECK
CHECK
CHECK
CHECK
n/a
4.
Verify that the O2 flow meter operates throughout
it's range - with only O2 attached.
CHECK
CHECK
CHECK
CHECK
n/a
5.
Verify that the N2O and Air flow meters operate
throughout their range - with all gases attached.
CHECK
CHECK
CHECK
CHECK
n/a
6.
Verify the HypoxicGuard (O2:N2O ratio) ensures:
20% < O2 < 30%.
CHECK
CHECK
CHECK
CHECK
n/a
7.
Successfully pass the Leak Test (no message with
less than 300 mL/min).
CHECK
CHECK
CHECK
CHECK
n/a
8.
Verify that the O2 display reads 21% in room air
and greater than 95 in 100% O2.
CHECK
CHECK
CHECK
CHECK
n/a
9.
Verify that the O2 Flush button delivers O2 - with
only O2 line pressure attached.
CHECK
CHECK
CHECK
CHECK
n/a
10.
Verify that the APNEA alarm signals activate
(MANUAL) after the designated delay time.
CHECK
CHECK
CHECK
CHECK
n/a
11.
Verify that the APL valve operates and a test lung
can be ventilated in Manual and Standby modes.
CHECK
CHECK
CHECK
CHECK
n/a
12.
Verify operation of ventilation mode: CMV; Adult
and Child modes.
CHECK
CHECK
CHECK
CHECK
n/a
13.
Verify the Tidal Volume (DEFAULT Settings) settles
within 10% of set value using a test lung.
CHECK
CHECK
CHECK
CHECK
n/a
6-5
Routine Maintenance Program
49.
Preventive Maintenance
Anestar™ Systems Service Manual
CONSUMABLE PARTS
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
Verify that the airway pressure disconnect alarm
signals activate after breathing circuit
disconnection.
CHECK
CHECK
CHECK
CHECK
n/a
15.
Verify that the Low O2 concentration alarm signals
activate at the violation set point.
CHECK
CHECK
CHECK
CHECK
n/a
16.
Verify the N2O/Air switch allows activation of the
selected gas and not the non-selected gas.
CHECK
CHECK
CHECK
CHECK
n/a
17.
Verify the drive gas pressure loss alarm signals
activate after disconnecting drive gas source.
CHECK
CHECK
CHECK
CHECK
n/a
18.
Verify the N2O stops flowing when O2 pressure is
disconnected.
CHECK
CHECK
CHECK
CHECK
n/a
19.
Verify that Air flows when O2 pressure is lost (With
N2O/AIR switch in N2O position).
CHECK
CHECK
CHECK
CHECK
n/a
20.
Verify operation of ventilation mode: PCV; Adult
and Child modes (if available).
CHECK
CHECK
CHECK
CHECK
n/a
21.
Verify battery operation and that the screen
messages and/or icon appear.
CHECK
CHECK
CHECK
CHECK
n/a
22.
Verify battery charging icon appears on the screen
after reconnecting AC power.
CHECK
CHECK
CHECK
CHECK
n/a
23.
Verify operation of snake light.
CHECK
CHECK
CHECK
CHECK
0150-00-0061
24.
Verify operation of flow meter backlight
CHECK
CHECK
CHECK
CHECK
0160-00-0068
25.
Verify the accuracy of the O2 sensors - in the
P,O2,C test screen.
CHECK
CHECK
CHECK
CHECK
n/a
26.
Verify the accuracy of P1 and P2 sensors - in the
P,O2,C test screen.
CHECK
CHECK
CHECK
CHECK
n/a
27.
Verify the accuracy of the prop valve flow output in CHARAC.PV test screen.
CHECK
CHECK
CHECK
CHECK
n/a
28.
Verify the Auxiliary O2 Flowmeter flows throughout
it's range. (if applicable)
CHECK
CHECK
CHECK
CHECK
n/a
29.
Verify the Patient Suction Regulator operates in all
modes (if applicable)
CHECK
CHECK
CHECK
CHECK
n/a
30.
Verify the vaporizer interlock allows one vaporizer
dial to rotate at a time.
CHECK
CHECK
CHECK
CHECK
n/a
31.
Verify no trace gas concentrations at vaporizer
base are measured.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
Preventive Maintenance
Anestar™ Systems Service Manual
14.
Routine Maintenance Program
6-6
CONSUMABLE PARTS
FUNCTIONAL
CHECKOUT
0070-10-0526
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
32.
Verify the locking of the front wheel breaks.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
33.
Verify the O2 cylinder check valve's) prevents
venting through the O2 line connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
34.
Verify the N2O cylinder check valve prevents
venting through the N2O line connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
35.
Verify the Air cylinder check valve prevents venting
through the Air line connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
36.
Verify the O2 line supply check valve(s) prevents
venting through the O2 yoke connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
37.
Verify the N2O line supply check valve prevents
venting through the N2O yoke connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
38.
Verify the Air line supply check valve prevents
venting through the Air yoke connection.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
39.
Verify that the manual Pop-Off button depressurizes
the breathing system.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
40.
Verify that the Tidal Volume and Min. Vol. alarms
activate at the violation set point.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
41.
Verify that the Peak airway pressure alarms
activate at the violation set point.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
42.
Verify no trace gases are present at the vaporizer
manifold.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
43.
Verify AC line voltage at convenience outlets.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
44.
Verify that the MOTOR test functions operate.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
45.
Verify the 2.9 psi regulator is at accurate pressure
(M1-M4 test screen).
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
46.
Verify the 29 psi regulator is at accurate pressure.
NOT REQUIRED
NOT REQUIRED
CHECK
CHECK
n/a
47.
Verify that the APL valve pressure is within
specification at 5 liters/min flow.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
48.
Verify the Breathing System temp < 60C in MISC
(heat/max temp) screen.
NOT REQUIRED
NOT REQUIRED
NOT REQUIRED
CHECK
n/a
6-7
Routine Maintenance Program
6 MONTH PM
OR AFTER
1250 HRS
Preventive Maintenance
Anestar™ Systems Service Manual
CONSUMABLE PARTS
FUNCTIONAL
CHECKOUT
Check the accuracy of all vaporizers mounted to
the Anestar (S) per manufacturer's instructions
CALIBRATION
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
CHECK
CHECK
CHECK
CHECK
n/a
FUNCTIONAL
CHECKOUT
6 MONTH PM
OR AFTER
1250 HRS
12 MONTH PM OR
AFTER 2500 HRS
36 MONTH
PM OR AFTER
7500 HRS
PART NUMBER
0070-10-0526
Successfully complete the O2 Cell calibration
(OPTIONS screen)
CALIBRATE
CALIBRATE
CALIBRATE
CALIBRATE
n/a
2.
Set the scavenger vacuum flow to 2X the expected
fresh gas flow.
CALIBRATE
CALIBRATE
CALIBRATE
CALIBRATE
n/a
3.
Calibrate the + 5VDC supply (Prior to calibrating
any parameter below)
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
4.
Calibrate the +12VDC supply (Prior to calibrating
any parameter below)
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
5.
Calibrate O2 SENSOR ADC (Only if P,O2,C
indicates it is out of specification).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
6.
Calibrate P1 SENSOR ADC. (Only if P,O2,C
indicates it is out of specification).
AS REQUIRED
AS
REQUIRED
AS REQUIRED
AS REQUIRED
n/a
7.
Calibrate P2 SENSOR ADC. (Only if P,O2,C
indicates it is out of specification).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
8.
Calibrate TEMP SENSOR MIN-MAX (Only after
replacing the temperature sensor).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
9.
Calibrate PROP.V ADC MIN-MAX. (Only if Tidal
Volume measurement > +/-10% accurate).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
10.
Calibrate FLOW INT. MIN-MAX (Only if Tidal
Volume measurement > +/-10% accurate).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
11.
Calibrate CHARAC. P.V. CALIBRATION (Only if
Tidal Volume measurement > +/-10% accurate).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
12.
Calibrate FLOW EXT. CALIBRATION (Only if Tidal
Volume display > +/-10% of accurate).
AS REQUIRED
AS REQUIRED
AS REQUIRED
AS REQUIRED
n/a
Preventive Maintenance
Anestar™ Systems Service Manual
1.
Routine Maintenance Program
6-8
CHECK VAPORIZER ACCURACY
1.
FUNCTIONAL
CHECKOUT
Preventive Maintenance
Cleaning
6.4
Cleaning
6.4.1
Cleaning and Disinfecting the Apparatus
Before cleaning, switch off apparatus and disconnect from mains.
The apparatus housing can be cleaned with a cloth moistened with a liquid cleaning agent.
To avoid abrasion, the cloth must be moist. A surface disinfecting agent may be used. Use
cleaning agent sparingly. Excess fluid could enter the apparatus causing damage.
6.4.2
Cleaning and Sterilizing the Breathing System and Components
6.4.2.1
Procedure
1. Disconnect the Breathing System
a. Disconnect the O2 cell and diffuser from its mount.
b. Disconnect the scavenger hose from the APL valve port.
2. Remove Components
a. Remove the CO2 absorber to be sterilized separately.
b. Remove the bellows dome to be washed with warm soapy water.
c. Remove the bellows to be sterilized separately.
d. Remove the BAG arm to be sterilized separately.
e. Remove the APL VALVE and it’s green membrane to be sterilized separately.
f. Remove the Airway Pressure Gauge.
3. Remove the Breathing System
a. Set the vent dial to Standby.
b. Press the key labeled OPTIONS.
c. Press the key labeled (Unlock Breathing System) for 3 seconds.
d. Remove the Breathing System from the Anestar.
4. Loosen but do no remove the INSP. VALVE, EXP. VALVE, NEG. PRESSURE RELIEF VALVE
valves rings.
5. Preparation
a. Separately wrap the components identified in Step 2 for sterilization per the
instructions supplied with the sterilizer.
b. Do NOT sterilize the bellows dome.
c. Do NOT sterilize the APL VALVE that has the integral cable.
d. Do NOT sterilize the Airway Pressure Gauge.
6. Set the sterilizer controls
a. Temperature275F, (134 ºC)
b. Pressure30 PSI
c. Duration:4 minutes
d. Insert the Indicator Card into the sterilizer as directed in the sterilizer operating
instructions.
Anestar™ Systems Service Manual
0070-10-0526
6-9
Battery Replacement and Maintenance
Preventive Maintenance
7. Unwrap the components
a. Remove the components.
b. Unwrap the components.
c. Tighten the valve rings.
d. Reassemble the components onto the Breathing System.
8. Reinsert the Breathing System.
6.5
Battery Replacement and Maintenance
6.5.1
Battery Replacement
1. Open the access door (located at the rear of the Anestar).
2. Disconnect the battery connections.
3. Remove the old battery.
4. Ensure the new battery is electrically connected and secured in the same manner as the
original one.
5. Close battery access door.
6. Use only Datascope Battery (P/N 0146-00-0075).
6.5.2
Battery Maintenance
Due to the self-discharge characteristics of this type of battery, it is imperative that it is
charged after three months of storage (or when not in use). If not charged, a permanent loss
of capacity may occur as a result of sulfation.
The batteries used in the Anestar are of sealed lead acid construction. This battery type may
be subject to local regulations regarding disposal. At the end of the battery life, dispose of
the batteries in accordance with any local regulations.
6.6
How to Get Help
Datascope maintains a network of factory-trained service professionals. Prior to requesting
service, perform a complete operational check of the Anestar to verify proper control
settings. If operational problems continue to exist, contact your Datascope distributor or the
Datascope Service Department at (800) 288-2121 for assistance in determining your
nearest Datascope distributor.
6 - 10
0070-10-0526
Anestar™ Systems Service Manual
7.0
Warranty
7.1
Warranty Statement
Datascope Corp. warrants that the Anestar Anesthesia Delivery Machine, its non-consumable
plumbing and electric and electronic components will be free of defects in materials and
workmanship for the period of one year from the date of purchase.
Datascope Corp warrants that consumable, one-time-use and disposable items will be free of
defects in material and workmanship for their first use or one year from date of their
purchase whichever comes first. These items include consumable, one-time-use or disposable
devices such as batteries, rebuild kits and their components, filters and screens, or any other
device specified as consumable, disposable or “one-time” or “limited-time” use.
Datascope Corp. shall not be liable for any incidental, special, or consequential loss
damage, or expense directly or indirectly arising from the use of its products, liability under
this warranty and the buyers exclusive remedy under this warranty is limited to servicing or
replacing as Datascope Corp's option at the factory or at an authorized Datascope
Distributor, any product which shall under normal use and service appear to the Company to
have been defective in material or workmanship.
No agent, employee, or representative of Datascope Corp. has any authority to bind
Datascope Corp. to any affirmation, representation, or warranty concerning its products,
and any affirmation, representation or warranty made by an agent, employee or
representative shall not be enforceable by law.
This warranty is expressly in lieu of any other express or implied warranties, including any
implied warranty of merchantability or fitness, and of any other obligation on the part of the
seller.
Anestar™ Systems Service Manual
0070-10-0526
7-1
Warranty Statement
Warranty
Damage to any product or parts through misuse, neglect, accident, or by affixing any
non-Datascope accessory attachments or by any customer modification voids this warranty.
Datascope Corp. makes no warranty whatever in regard to trade accessories, such being
subject to the warranty of their respective manufacturers.
A condition of this warranty is that this equipment, or any accessory which are claimed to be
defective, be returned when authorized by Datascope, freight prepaid to an Authorized
Datascope Distributor or Authorized Datascope Service Facility. Datascope Corp shall not
have any responsibility in the event of loss or damage in transit.
Certain calibration may be performed without the need to disassemble the instrument. It is the
responsibility of the purchaser to perform calibration as necessary, in accordance with the
instructions provided in the manual.
7.1.1
Datascope's Responsibility
Datascope is responsible for the effects of safety, reliability and performance of the
equipment only if: a) assembly operations, extensions, readjustments, modifications or
repairs are carried out by Datascope service personnel; and b) the electrical installation of
the relevant room complies with the appropriate requirements; and c) the equipment is used
in accordance with the instructions for use.
7.1.2
Extended Warranty Statement
Datascope Corp. warrants that the Anestar Anesthesia Machine, its non-consumable
plumbing and electric and electronic components will be repaired or replaced at no charge
for labor or materials for the number of years shown on the Datascope Invoice for extended
warranty.
Under this extended warranty, Datascope Corp. does not include or warrant consumable,
one-time-use and/or disposable items, such as batteries, rebuild kits and their components,
filters, screens, or any other device specified as consumable, disposable or “one-time” or
“limited-time” use, unless specifically stipulated in the Extended Warranty Agreement.
7-2
0070-10-0526
Anestar™ Systems Service Manual
Declaration of Conformity
Manufacturer:
Datascope Corp.
800 MacArthur Blvd
Mahwah, NJ 07430
European Representative:
Datascope BV
Drs. W van Royenstraat 8,
3871 AN Hoevalaken,
The Netherlands
Product category:
Anesthesia System
Model
Anestar,
Anestar S
Classification (per Annex II): Class IIb
Conformity Route:
Annex II, Clause 3
We herewith declare that the above mentioned product meets the provisions of the
Council Directive 93/42/EEC for the Medical Devices. All Supporting documentation is
retained under the premises of Datascope Corp., Mahwah, NJ 07430
Notified Body:
TÜV NORD International GmbH & Co. KG
Langemarckstraße 20
45141 Essen, Germany
ID # 0044
EC Certificate:
No.: 04 207-770/96
Start of CE-Marking:
August 10, 2005
Signature:
_________________________
Susan E. Mandy
Director of Clinical and Regulatory Affairs
Anestar™ Systems Service Manual
0070-10-0526
Printed in U.S.A.
0070-10-0526
Revision N
0070-10-0526
November 11, 2005
Anestar™ Systems Service Manual