2.5 Sterilization procedures (not
recommended)
An autoclave may be used to sterilize the
expiratory cassette but it is normally not
necessary, as the expiratory cassette is not
an invasive instrument.
2.5.1 Number of cycles in the autoclave
The expiratory cassette will last at least:
• 100 autoclaving cycles with 3 minutes
sterilization time at 134ºC (273ºF).
• 30 autoclaving cycles with 18 minutes
sterilization time at 134ºC (273ºF).
2.5.2 Rinse
Rinse the parts thoroughly in water
(<35°C/95°F). Let the water flow through the
parts to remove organic matter, e.g. blood,
and other residues.
2.5.3 Drying before autoclaving
Before placing the expiratory cassette in an
autoclave, make sure that no water remains
inside the cassette. For drying instructions,
see page 15.
2.5.4 Autoclave
• Instrument parts should be autoclaved in a
validated process, typically at a temperature
of 134°C (273°F) for 3 minutes.
• Rubber parts should be autoclaved in a
validated process, typically at a temperature
of 121°C (250°F).
2.5.5 Drying after autoclaving
For drying alternatives, see page 15 .
16
SERVO-i/s, User's Manual
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