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27.5 Sterilization Method
The silencer (N2186/01), flow sensor (N5201) and exhalation block (N6622) must
be sterilized between use on patients. The ventilator cannot be sterilized.
The exhalation block must be cleaned as an essential prerequisite to sterilization.
For the silencer, flow sensor and exhalation block.
Autoclave with pure dry saturated steam at:
134ºC (277ºF) (Allowable variation of temperature of +3ºC) at 220kPa (32psi)
with a minimum holding time of 3 minutes
or
121ºC (248ºF) (Allowable variation of temperature of +3ºC) at 96kPa (14.1psi)
with a minimum holding time of 15 minutes.
The silencer can be autoclaved up to 20 times. The body of the silencer should be
marked after each autoclave cycle with a high temperature, water proof,
permanent maker to indicate number of sterilization cycles completed.
For the flow sensor only.
Ethylene Oxide at 55ºC (131ºF) plus the recommended time for aeration
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