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i-Med - How medical electronics
will deliver patient power
Noel Hurley
COO, Toumaz UK Ltd
Society Faces Major Health Challenges
Fewer Younger People
15
million
Obesity and Sedentary Lifestyle
United
Kingdom
People
Under 16
10
million
5
million
1971
People
Over 65
Source: ONS
2013
2021
Fewer carers & lower social and
health insurance income
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Increased prevalence and
earlier onset of chronic diseases
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Healthcare is changing
> Healthcare infrastructure was set up to manage
acute illness, today 70 to 80% of the healthcare
budget is spent on chronic diseases.
> Better more flexible monitoring of patients
> Migration of the care from the hospital to the
home
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Patient Monitoring: Early Warning
> BMJ on Early Warning Scores: 84% of patients had
documented observations of clinical deterioration
within eight hours of cardiopulmonary arrest”
> RM Schein 1990: 70% of patients have respiration
problems 8 hours before circulation stops
> C Franklin 1994: 66% of patients show abnormal
symptoms 6hrs before circulation stops
> The doctor was warned in 25% of cases
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Patient monitoring today
> Cable management, infection control
> Care areas, patient comfort and distress
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Medical Body Area Networks (MBAN)
a network of wireless sensors around the body
> Clinical Benefits
> Patient mobility and comfort
> Monitoring flexibility
> extending monitoring into all care
areas.
> Infection control
> Low cost disposable monitors
> Patient identification and tracking
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MBAN Challenges
Robust wireless links
Capacity for Patient and Sensor density
Co-existence with other radios and networks
Days of continuous use from small light weight
devices (batteries)
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Sensium End-to-End solution
ECG, HR, HRV,
RR, Temp, Motion
(SPO2, EMG)
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Ultra-low
power Radio
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Data & Msg Mgt
WiFi
Ethernet
Cellular
Network Mgt
Sensium
Gateway Server
Device Config
IP Network Bridge
NSP
Protocol
Processing
Sensium
Bridge
Radio Transceiver
Radio Transceiver
Processing
Sensor Interface
Sensium
Body Device
Data Protocols
Cellular Network Management
Robust Network
Low Power Challenge
Tx/Rx Power (mA)
Zigbee
&
Bluetooth LE
A generation
ahead of the
market
Smaller lower
cost battery
Lighter more
comfortable
body device
Toumaz
Voltage
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Longer battery
life
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Sensium SoC Products
Sensium Bridge Devices
TZ1090
XENIF
(Linux Apps Processor)
TZ1053
TELRAN
(Low Power Radio uC)
Sensium Body Devices
TZ1030
Low Power
Sensium SoC
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TZ1031
(Low Power
Sensium SoC)
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Future MBANs :IEEE 802.15.TG6 (MedWin)
> Members: Toumaz, GE Healthcare, Philips
Healthcare, Texas Instruments.
> FCC new MBAN service 2360 to 2400MHz band
> 2360-2390 MHz MBANS operations limited to health care facilities outside
exclusion zones (indoor use only)
> 2390-2400 MHz MBANS operations permitted anywhere (all hospitals, in-home,
mobile ambulances, …)
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Future MBAN Markets
Hospital to Home
SaaS / Cloud
Services
Integration with open and mobile networks
Improved quality of life for chronic disease sufferers
Standardisation
GP Budget
changes
4G
Networks
Ambulatory Patient
Research
Pharma
Quantitative proof of outcomes
Personalised therapies
Hospital Market
Closed fixed networks
Improved detection and intervention
Greater flexibility and efficiencies
2010/11
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2012/13
2014/15
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2016/17
… and finally
Biological Beta Cell
Silicon Beta Cell
Georgiou,P, Toumazou,C: A Silicon Pancreatic Beta Cell for Diabetes. IEEE Transactions on Biomedical
Circuits and Systems, 1:39-49, 2007
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