When using an external humidifier any patient air filter will need more frequent
replacement to prevent increased resistance or blockage.
During transportation of the ventilator, the humidifier must be disconnected.
In case of invasive application, the use of an appropriate external heated humidifier
or HME is recommended.
If the condensation in the patient circuit is excessive, the use of a heated humidifier
may require the installation of a water trap in the circuit. The water trap prevents any
condensed water in the patient circuit from running into the patient airways and
causing personal injury.
Any external humidifier connected to the ventilator must comply with ISO 8185 or
80601-2-74.
Any HME connected to the ventilator must comply with ISO 9360.
The use of an HME or an external humidifier may require readjustment of the venti-
lator low-pressure alarm.
Certain HMEs and HCHs are sufficient to provide humidification when the ventila-
tor is used invasively. Check specific suppliers’ recommended use.
2.7 Cleaning and Maintenance
WARNING!
Risk of Electric Shock
Cleaning with excessive water or opening the device’s casing without certified train-
ing may cause electric shocks.
The Vivo 45 LS should be regularly cleaned and maintained in accordance with this
operating manual.
WARNING!
Risk of Faulty Treatment
Service and Maintenance of the Vivo 45 LS shall not be performed when the
Vivo 45 LS is in use.
30 Safety Information
User manual
Doc. 007301 K-1
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