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8.5 Checking maximum ventilation pressure
Important
Be sure to use the test bag.
If you hold the tube con-
nection closed by hand, the
needle swings across and
correct reading of the pre-
cise figure is impossible.
50
EN
Functional checks
ensures a breath volume of 1 litre per inspiration
stroke. At all events the test bag is not sufficient-
ly inflated if a disconnection alarm is set off.
Note:
During the expiration phase, you must simulate
the expiration stroke of the test bag by hand. To
do so, place the test bag on a firm base. During
the expiration phase, press the test bag with the
flat of your hand until the volume is completely ex-
pelled through the patient valve.
5. Switch off MEDUMAT Easy again.
6. Detach the test bag from the patient valve.
7. Select the following settings:
–
–
8. Switch on MEDUMAT Easy and close the patient
connection at the patient valve. A stenosis alarm
should be set off.
9. Switch off MEDUMAT Easy again.
1. MEDUMAT Easy must be switched off and the
oxygen cylinder must be open.
2. Attach the test bag to the patient valve with the
adapter from test set WM15323.
3. Select the following settings:
–
–
4. Switch on MEDUMAT Easy.
Check that the needle of the pressure gauge on
the MEDUMAT Easy is standing at "0".
During this test you must not assist the expira-
tion stroke. This ensures that the pressure builds
up slowly. Between 15 and 25 mbar
MV 3 L/min / frequency 30 min
P
:
(45 mbar)
max
MV: 7 l/min / frequency: 11 min
P
:
(20 mbar)
max
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