7.2.1 Coarse Filter (Grey, Washable)
Replace the washable filter patient air filter and the cooling air inlet filter at least once a
year. Wash the filters at least once a week.
1 Wash the filter using warm water and a mild soap.
2 Rinse thoroughly.
3 Dry the filter by squeezing it out in a towel. Do not wring the filter.
4 Make sure the filter is completely dry before inserting.
7.2.2 Fine Filter (White, Disposable)
Replace the fine filter at least every month, or more frequently when used in high pollu-
tion or pollen-rich environments.
CAUTION!
Do not wash or reuse the disposable filter.
7.3 Change of Patients
If the ventilator is used in a clinic by several patients, a low resistance bacterial filter may
be used between the air outlet and the patient tube to prevent patient cross-
contamination.
1 Follow the instructions in 7.1.1 Main Unit , page 137, steps 1 to 5.
2 Replace the patient filters according to 7.2 Cleaning and Replacing the Air Filters, page
138.
3 If a low resistance bacterial filter is used, it shall be replaced. To avoid cross-
contamination when no bacterial filter has been used, a validated ozone-disinfection
process may be used, see the section on disinfecting the main unit internally.
4 Use a new patient circuit when the ventilator is used by a new patient.
7.4 Service and Repair
The service and repair of the ventilator must only be carried out by authorised service
personnel in accordance with Breas service instructions. Service inspections must always
be carried out following any repairs to the device.
Cleaning and Maintenance 139
Doc. 006149 D-3
Vivo 45 User manual
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