2B701-813EN*G Guidelines for cleaning, disinfection, and sterilization of transducers This manual describes the cleaning, disinfection, and sterilization procedures for the ultrasound transducer. For the operating precautions and procedures for the transducers, refer to the operation manual for each transducer. Safety Precautions 1. Meaning of Signal Words In this manual, the signal words DANGER, WARNING, CAUTION are used regarding safety and other important instructions. The signal words and their meanings are defined as follows. Please understand their meanings clearly before reading this manual. Signal word Meaning ! DANGER Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. ! WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. ! CAUTION CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. Indicates a potentially hazardous situation which, if not avoided, may result in property damage. ! CAUTION: 1. Precautions concerning cleaning, disinfection, and sterilization. 1) Observe the following precautions to prevent infection. • Wear protective gloves when performing cleaning. • Wear sterile protective gloves when performing disinfection or sterilization. • Wear new protective gloves each time cleaning, disinfection, and sterilization are performed. • Clean the transducer before and after examination. Disinfect or sterilize the transducer as required. Note that local regulations may require that the transducer be disinfected before sterilization. • Sterilize the transducer and biopsy adaptor before and after an ultrasound-guided biopsy procedure is performed. Failure to do so may result in the transducer and biopsy adaptor becoming sources of infection. 2) After cleaning, rinse the transducer thoroughly with purified water to remove all chemical residues. After disinfection, rinse the transducer thoroughly with sterile or deionized water to remove all chemical residues. Chemical residues on the transducer may be harmful to the human body. 3) After chemical cleaning or disinfection, dry the transducer surfaces thoroughly. 4) After gas sterilization, degas the transducer. Gas residues on the transducer may be harmful to the human body. 5) The efficacy of the cleaning solutions, disinfectants, and sterilizing gases is not guaranteed by TOSHIBA. Contact the manufacturers for information on the activity of the products. Observe the following precautions to ensure the safety of patients as well as operators when performing cleaning, disinfection, or sterilization of the transducer. ! WARNING: Never immerse the transducer connector or any other nonwaterproof sections into liquids such as water or cleaning solution. Immersion may cause electrical shock. Refer to the figures on the last page for the immersible range of each transducer model. <<Items to be used: Protective gloves, cleaning solution, purified water, sterile cloth or gauze, single-use sponge*>> *: The single-use sponge must not include any abrasive parts or contain any abrasive cleanser. Note that local regulations may require that the transducer be disinfected before sterilization. (1) Wear protective gloves to prevent infection. Wear new protective gloves each time cleaning is performed. * Some types of transducers cannot be sterilized or the sterilization conditions may differ. (2) Wash off all organic materials (such as blood or other bodily fluids) from the transducer under purified water. A single-use sponge can be used for washing. Do not use a brush, because it may damage the transducer. (3) Immerse the transducer in a cleaning solution shown in the table on the last page to dissolve or remove all remaining organic materials. Use a single-use sponge if necessary. If dried organic materials are present on the transducer, immerse it in the cleaning solution for a prolonged period. (4) Remove all residual organic materials and cleaning solution from the transducer by rinsing it under purified water. Confirm that all organic materials and cleaning solution have been completely removed. Do not reuse the purified water. <<Items to be used: Sterile protective gloves, sterilant>> (1) Wear sterile protective gloves to prevent infection. Wear new sterile protective gloves each time sterilization is performed. (2) Sterilize the transducer using the chemicals listed on the last page. * Place the transducer in a sterilization packing case and then place it in the sterilizer. (3) After gas sterilization, perform aeration to remove all gas residues on the transducer surface. (4) Confirm that the transducer shows no signs of damage, deformation, or peeling. (5) Dry the surface of the transducer using sterile cloth or gauze. Do not use heat to dry the transducer. Handle the cleaning solution as described in the documentation provided by the relevant manufacturer. To maintain the effectiveness of the cleaning solution, ensure that the concentration, temperature, and other conditions specified in the documentation provided by the manufacturer are met. To confirm the effectiveness of the cleaning solution, use the criteria (such as effective period, number of times of use, discoloration, and results of using the effectiveness test kit) described in the documentation provided by the manufacturer. -3- ! CAUTION: 6) To ensure the prevention of infection, confirm the effectiveness of each chemical for cleaning, disinfection, or sterilization based on the criteria (such as effective period, number of times of use, discoloration, and results of using the effectiveness test kit) described in the documentation provided by the relevant manufacturer. 7) Do not clean, disinfect, or sterilize the transducer using chemicals or methods other than those specified in this guide. If chemicals or methods other than those specified in this guide are used, the transducer may not be properly cleaned, disinfected, or sterilized or may be damaged. 8) Observe the following precautions to prevent transducer malfunction. • The transducer must not be immersed in a chemical solution for more than three hours. • Do not permit the transducer to become overheated (more than 60°C) during cleaning, disinfection, and sterilization. • Repeated cleaning, disinfection, and sterilization will eventually damage the transducer. Minimize disinfection and sterilization. • The cleaning, disinfection, or sterilization conditions, such as the temperature and pressure, differ depending on the product. In addition, some products cannot be subjected to disinfection or sterilization procedures. Confirm the detailed conditions by referring to the table on the last page. -5- Disinfection Before disinfection, the transducer must be cleaned. Note that local regulations may require that the transducer be disinfected before sterilization. <<Items to be used: Sterile protective gloves, disinfectant, sterile or deionized water, sterile cloth or gauze>> (1) Wear sterile protective gloves to prevent infection. Wear new sterile protective gloves each time disinfection is performed. (2) Disinfect the transducer using the disinfectants or disinfection devices shown in the table on the last page. (3) Rinse off all residual disinfectant from the transducer with sterile or deionized water. Confirm that the disinfectant has been completely removed. Do not reuse the sterile or deionized water. (4) Dry the surface of the transducer using sterile cloth or gauze. Do not use heat to dry the transducer. Handle the disinfectant as described in the documentation provided by the relevant manufacturer. To maintain the effectiveness of the disinfectant, ensure that the concentration, temperature, and other conditions specified in the documentation provided by the manufacturer are met. To confirm the effectiveness of the disinfectant, use the criteria (such as effective period, number of times of use, discoloration, and results of using the effectiveness test kit) described in the documentation provided by the manufacturer. (5) Confirm that the transducer shows no signs of damage, deformation, or peeling. NOTE: The mouthpiece supplied with the TEE transducer can be boiled or autoclaved (temperature: 134°C, holding time: 18 min). Confirm that "AUTOCLAVABLE" is indicated on the mouthpiece. -2- Before sterilization, the transducer must be cleaned. (6) Confirm that the transducer shows no signs of damage, deformation, or peeling. -1- 2. Safety Precautions Sterilization Cleaning -4- -6- -7- Precautions for use • Wear protective gloves when performing cleaning. • Wear sterile protective gloves when performing disinfection or sterilization. • Wear new protective gloves each time cleaning, disinfection, or sterilization is performed. • After chemical cleaning, rinse the transducer thoroughly with purified water and then dry it. • After chemical disinfection, rinse the transducer thoroughly with sterile water or deionized water and then dry it. Efficacy and effectiveness of the cleaning, disinfection, and sterilizing agents • Contact the manufacturer of the relevant chemical for the efficacy of each cleaning, disinfection, or sterilizing agent. • Determine the effectiveness of each agent based on the criteria described in the documentation supplied with the agent. Usable chemicals Cleaning Chemical name/type Enzyme Ethanol Isopropyl alcohol Ethanol Isopropyl alcohol Trade name CIDEZYME® Rapid MultiEnzyme cleaner ANIOSYME DD1 neodisher® mediclean Tristel Pre-Clean Wipes Manufacturer J&J 3M Company Laboratories ANIOS DR. WEIGERT GmbH & Co. KG Tristel Solutions Limited Concentration (Dilution ratio) 0.8% (125) 1% (100) 0.5% (200) 1% (100) Working solutions 80% (original solution) 5 min. 10 min. Wiping only Time 1 min. 10 min. High-Level Disinfection*6 Disinfection *6 Didecyl dimethyl Isopropanol/ ammonium chlorides/ Didecyl Quaternary dimethyl ammonium ammonium compounds chlorides Glyoxal/ Glutaral/ Didecyl dimethyl ammonium chlorides Succindialdehyde WIP' ANIOS Dr. Schumacher GmbH Laboratories ANIOS Lysoform Disinfection Ltd. Schülke & Mayr GmbH 70% (original solution) Working solutions Working solution 2% (50) 10% (10) Wiping only Wiping only Wiping only Wiping only Room temperature Room temperature Room temperature Room temperature Room temperature Room temperature Room temperature Room temperature Humidity Normal humidity Normal humidity Normal humidity Normal humidity Normal humidity Normal humidity Normal humidity Normal humidity OrthoPeroxygen phthalaldehyde CIDEX ® Lysoformin™ Gigasept ® ® PLUS CIDEX 3000 FF 28 day solution CLEANISEPT® WIPES Temperature Glutaraldehyde 15 min. 15 min. Room Room temperature temperature Normal humidity Normal humidity J&J J&J 3.4% 2.4% (working (working solution) solution) Room temperature gigasept ® PeraSafe™ *1 FF (new) gigasept® PAA concentrate CIDEX ® OPA VirKon ® J&J DuPont DuPont 0.55% (working solution) 1% (100) 1.62% (61.7) 12 min. 45 min. 20 min. Hydrogen Succinperoxide, Peracetic acid dialdehyde Peracetic acid, Hydrogen peroxide, Acetic acid 10 min. 10 min. 5% (20) 15 min. Normal humidity Normal humidity Normal humidity Normal humidity Hydrogen peroxide Chlorine dioxide Peracetic acid NU-CIDEX ® Anioxyde 1000 Tristel One Shot Solution/ Tristel Fusion Tristel Sporicidal Wipes/Tristel Rinse Wipes Trophon EPR™ J&J Laboratories ANIOS Tristel Solutions Limited Tristel Solutions Limited Nanosonics Limited 0.35% (working solution) 0.15% (working solution) 0.012% (1 sachet in 5 liters of water) Schülke & Schülke & Mayr Mayr GmbH GmbH 2% (a doublechambered bottle into 5 liters of water) 5 min. 30 min. 5 min. Room temperature Room temperature Room temperature Normal humidity Normal humidity Normal humidity 5 min. Room Room Room Room Room temperature temperature temperature temperature temperature Normal humidity Sterilization*6 Normal humidity Use the disinfectant cartridges specifically designed for the disinfection Wiping device. only There are no disinfectionrelated Room temperature parameters (temperature, Normal humidity, humidity pressure, or time) to be set by Normal pressure the operator. Working solutions Ethylene oxide gas*2 Hydrogen peroxide plasma*3 ® Ethylene STERRAD 50/100S/ oxide gas 200/NX J&J 10% Exposure time: 7 hours Aeration time: 12 hours 50°C 50% Operating pressure 980 hPa [gauge] Use STERRAD system cassettes specifically designed for the sterilizer. There are no sterilizationrelated parameters (temperature, humidity, pressure, or time) to be set by the operator. Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Normal pressure Type D OK OK OK OK OK OK OK OK OK − OK OK OK OK OK OK OK OK OK OK OK OK OK PSM-20CT/25AT/30BT PSM-37AT/37CT/50AT/70AT Type D OK OK OK OK OK OK OK OK OK − OK OK OK OK OK OK OK OK OK OK OK*8 OK OK PLF-308P, PLG-308P PVM-740RT, PVL-715R/715RT Type D OK OK OK OK OK OK OK OK OK − OK OK OK OK OK OK OK OK OK OK − OK OK PC-19M Type A OK OK OK OK − OK OK OK OK − OK − OK OK OK OK OK OK OK OK − − − Pressure Model name *4 Immersible range PVF-738F/738H/745V PLG-506M/805S PVG-366M/381M/681S/720S PVG-600S/601V/630V PLQ-703A/805A/1203A PVQ-375A/381A/641V/662A/674A PLM-503AT/703AT/805AT PLM-1202S/1204AT PVF-381MT/620ST/575AT PVM-375AT/381AT/620ST/621VT PVM-651VT/656AT/662AT/672AT PC-50V Type A OK OK OK OK OK OK OK OK OK − OK − OK OK OK OK OK OK OK OK − − − PEM-508MA*5 Type B OK − − − OK − − − − − OK OK − − − − − − − − − − − *5 Type E OK − − − OK − − − OK − OK OK OK OK − − OK − − − − OK − PEF-510MA*5 Type C OK OK − − OK − − − OK − OK OK OK OK OK OK OK OK OK − − − − PEM-508SC SMA-736SA Type F OK OK OK OK OK OK OK OK OK − OK OK OK OK − − OK OK OK OK − − − PVM-375MV Type D OK OK OK − OK OK − − OK OK OK OK OK OK OK OK OK OK OK − OK − − PEF-704LA*7 Type C OK − − − OK − − − OK − OK OK OK OK − − OK − − − − OK − Type D OK OK OK OK OK OK OK OK OK − OK OK OK OK OK OK OK OK OK OK − OK OK PVM-787LA *7 OK : Use of the chemical is permitted. *1: *2: *3: *4: – : Use of the chemical is not permitted. *5: The attached mouthpieces can be boiled or autoclaved. (Temperature: 134°C, Holding time: 18 min) Make sure that "AUTOCLAVABLE" is indicated on the mouthpieces. *6: Note that local regulations may require that the transducer be disinfected before sterilization. *7: Sterilize the transducer before and after use. *8 : For transducers with a thin cable, use a Trophon EPRTM with a serial number beginning with 24100 or higher or a probe cable clamp "T-Clamp". Please contact your Trophon EPRTM representative for further information. PeraSafe™ may be classified as a sterilizing agent or as a high-level disinfectant depending on the local regulations. After sterilization, thoroughly degas the transducer to remove all gas residues on the transducer. Note that the label on the transducer may fade and the connector handle may become difficult to turn. These are not abnormalities. When multiple model names are referred to, they are abbreviated. For example, "PVG-366M and PVG-381M" is abbreviated as "PVG-366M/381M". For the transducers supported by each diagnostic ultrasound system, refer to the operation manual supplied with the diagnostic ultrasound system. ● Type A (PC-19M etc) ● Type B (PEM-508MA) ● Type C (PEF-510MA etc) ● Type D (PLM-703AT etc) ● Type E (PEM-508SC etc) ● Type F (SMA-736SA) Ferrite core* Immersible range Immersible range Trademarks This manual may include trademarks or registered trademarks of companies other than Toshiba. For Europe: Zilverstraat 1, 2718 RP Zoetermeer, The Netherlands TOSHIBA MEDICAL SYSTEMS EUROPE B.V. http://www.toshiba-europe.com EC REP For other countries, please contact your local distributor. Immersible range Immersible range Immersible range * The ferrite core may not be provided depending on the system to which the transducer is connected. Never immerse the non-waterproof sections of the transducer into liquids such as water or cleaning solution. Immersion may cause electrical shock. 1385, SHIMOISHIGAMI, OTAWARA-SHI, TOCHIGI-KEN 324-8550, JAPAN Immersible range 2B701-813EN*G © TOSHIBA MEDICAL SYSTEMS CORPORATION 2006-2013 ALL RIGHTS RESERVED