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29. Cleaning, Disinfection and
Sterilization
All cleaning, disinfection and sterilizing should be
carried out under the direction of the appropriate
hospital authority.
Do not allow moisture to enter the electronic module
or its electrical sockets. Electronic malfunction may
result.
DO NOT steam autoclave the ventilator or
otherwise subject it to temperatures above 62°C.
DO NOT immerse any part of the ventilator in any
liquid, with the exception of the expiratory
exhalation block (SLE part No N6622).
29.1 Preparation of a New Ventilator
Remove all transit packaging. Inspect the fresh gas
port and proximal airway port for any packing
material. (Retain packaging for future use).
Remove the protective film from the touchscreen.
Clean, disinfect and sterilize in accordance with the
instructions in section 29.2 .
Remove the inlet Air and O
2
gas port caps. (Retain
for future use).
Allow the unit to acclimatize, i.e if the ventilator has
been stored in a cold or humid environment whilst in
transit/storage.
29.2 Cleaning and Disinfection of an In-
service Ventilator
Table 1 outlines the areas of the ventilator which
can be uniquely cleaned, disinfected and sterilized.
Before cleaning or disinfecting the exterior of the
ventilator the following tasks should be performed:
The mains cable should be disconnected from the
mains supply.
Remove the patient circuit and bacterial filters.
Discard any single use items as per appropriate
hospital authority guidelines. Reusable items should
be processed as per appropriate hospital authority
guidelines and the manufacturer’s instructions.
Disconnect the gas supplies from the wall outlets.
Disconnect the Oxygen and Air hoses from the
ventilator and cap the inlet ports.
Open the side flap.
Unlock the exhalation block by turning the clamp
through 90 degrees until it is horizontal.
Gently pull away the exhalation block and silencer
from the gas ports.
Separate the silencer and exhalation block.
Refitting the silencer and exhalation block is the
reversal of removal. Do not force the exhalation
block into place.
29.3 Cleaning, Disinfection &
Sterilization Chart
Tabl e 1
Item Clean Disinfect Sterilize
Ventilator
Yes Ye s
Silencer Yes
Flow sensor
(N5402 only)
Yes
Yes Yes
Exhalation block Yes
Yes Yes
Warning (General): Do not insert any object
(such as a needle) in to the gas ports. This
action will result in damage to the port. If the
user believes there is a foreign object in a gas
port, please refer the ventilator to qualified
service personnel for inspection and repair.
Note: The silencer should be autoclaved only.
If the silencer is found to have visual
contamination internally, discard and replace
with a new silencer.
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