The ventilator shall have been able to run at least 2 hours on the internal
battery before the Power fail alarm is given
6.5.3 Optional Alarm Tests
In this chapter, methods for additional alarm tests are described. These tests are
optional and not needed to ensure safe use of the ventilator.
6.5.3.1 High PEEP Alarm
1 Connect the ventilator patient circuit to a test lung and a CPAP device.
2 Set the CPAP device treatment pressure to 10 cmH
2
O.
3 Adjust the ventilator settings as follows:
Setting Value
Ventilation Mode
Insp. Pressure 15 cmH
2
O
PEEP 5 cmH
2
O
Breath Rate 12 bpm
Insp. Time
1.5 s
Rise Time 5
Insp. Trigger Off
Target Volume Off
4 Start treatment on both the ventilator and the CPAP device.
5 Wait approximately 15 seconds before the High PEEP alarm shall be given.
6 Stop treatment. Test completed.
6.5.3.2 Low Pressure and Disconnection Alarms
1 Start treatment and disconnect the patient circuit.
2 Wait 15 seconds.
3 The Low Pressure Alarm and/or the Disconnection Alarm will be given.
4 Stop treatment. Test completed.
6.5.3.3 Obstruction Alarm
1 Start treatment; block the patient circuit completely to simulate an obstruction.
134 Alarms
Vivo 45 User manual
Doc. 006149 D-3
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