6. Hygiene treatment
This product may contain disposable items. Disposable items are intended to be used
only once. So use these items only once and do not reprocess them. Reprocessing
disposable items may impair the functionality and safety of the product and lead to
unforeseeable reactions as a result of ageing, embrittlement, wear, thermal load, the
effects of chemical processes, etc.
6.1 Intervals
You should check the filters at regular intervals and wipe down the housing and the filter
compartment lid with a damp cloth. You should also observe the following intervals:
6.1.1 Leakage ventilation
Follow the relevant instructions for use on the hygiene treatment for the patient/ventilator
interface.
Interval Activity
Daily
– Clean the patient/ventilator interface in accordance with the relevant
instructions for use.
– Clean the patient circuit.
– Clean bacteria filter WM 24148 in accordance with the instructions for
use.
– Clean the exhalation system in accordance with the instructions for use
every time it is used.
Every 24 operating
hours
– Change the particulate filter in bacteria filter WM 24148.
Weekly
– Clean coarse dust filter.
– Clean fan filter.
Every 1000 operating
hours
– Change fine filter (filter change indicator ), earlier if dirty.
Every 6 months
– Change coarse dust filter, earlier if dirty or worn.
– Change pressure measuring tube (see “9.4 Change pressure-
measurement tube (only leakage ventilation)” on page 100), earlier if
dirty.
– Change fan filter.
Annually
– Change patient circuit.
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