Datex-Ohmeda Anesthesia Delivery Unit S/5, Техническое справочное руководство

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Maintenance
Document No. 8502852
5-53
Step 26: PEEP function test
Equipment needed: Test lungs
Settings: ADU on
Pipeline supplies gases connected
Manual mode
Patient circuit and a 2 L test lung connected to the Y-piece
1. Connect a 2 l test lung to the Y-piece.
2. Set the fresh gas air flow to 1 l/min.
3. Select the following ventilator settings:
4. Turn the switch to Auto ventilation.
5. Change PEEP settings successively to: OFF, 5 and 15 cmH
2
O and read the values measured by
the ADU. After each PEEP setting, check on the screen graph that the required PEEP level is
reached and is stable.
Tolerances: For OFF position = Max 4 cmH
2
O.
Tolerances: PEEP setting up to 20 cmH
2
O = ± 2 cmH
2
O.
NOTE: For too high a PEEP in the OFF position, explore the overflow membrane.
Step 27: PCV check
Settings: Manual mode
ADU on
Pipeline supplies gases connected
Patient circuit and a 2 l test lung connected to the Y-piece
1. From the Ventilator setup, select PCV mode and set the following parameter values:
2. Turn to Auto mode.
3. Adjust the fresh gas flow to 1 l/min. and keep it there until the inspired pressure has settled.
4. Check that no pressure alarm occur.
5. Check on the pressure curve that the peak plateau pressure, 20 cmH
2
O plus actual PEEP is
stable within
±
2 cmH
2
O.
Volume
200
Rate
8
I:E
1:2.0
Insp. Pause
25
Pressure
20 cmH
2
O
Resp.Rate
20
I:E Ratio
1:1.0
PEEP
OFF