Weinmann MEDUMAT Standard a - Checking the Minute Volume

Functional checks 49
EN
Checking disposable hose system
Visual inspection
Check the following items by inspecting the patient
hose system:
• the patient valve and the connectors may not
exhibit any external damage, cracks or dirt.
• the hose connections must be located firmly and
securely on the connecting pieces.
• the patient valve and emergency air membranes
may not exhibit any damage or deformation.
7.5 Checking the minute volume
Check the ventilation frequency
1. Open the valve of the oxygen cylinder slowly.
2. Switch on MEDUMAT Standard a.
3. Select the following settings.
– Frequency: 8 min
-1
–MV: 5 l/min
– Ventilation pressure (P
max
): 60 mbar
– Air Mix: switched on.
4. Count the number of inspiration phases over a
period of one minute exactly. The number
should lie between 7 and 9.
5. Turn up the frequency to 40 min
-1
(right limit).
6. Count the number of inspiration phases over a
period of one minute exactly. The number
should lie between 38 and 42.
7. Switch MEDUMAT Standard a off again.