Datascope - Mindray
Datascope - Mindray
Datascope - Mindray
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Periodic Maintenance Functional Tests<br />
6.8.7.6 CMV Child Ventilation Mode Test<br />
1. Attach a breathing circuit and breathing bag.<br />
NOTE: For testing purposes always use a reusable breathing<br />
circuit.<br />
2. Attach an adult test lung to the Y-fitting of the breathing circuit.<br />
NOTE: Limit the volume in the test lung to provide sufficient airway<br />
pressure to satisfy the Low Peak Pressure alarm. Or reduce<br />
the Peak Pressure alarm limit to a lower valve to prevent<br />
the alarm when using an adult test lung.<br />
3. Attach a Vent Tester between the EXP port and the expiratory hose.<br />
4. Set the O 2 flow to 2 L/min and set the N 2 O and AIR flow rates to minimum flow.<br />
5. Set the ventilator controls to:<br />
VENTILATOR CONTROLS VENTILATOR SETTINGS<br />
Patient Type Child<br />
Ventilation Mode CMV<br />
Tidal Volume - VT 120<br />
Breath Rate - freq 20<br />
I:E Ratio - I:E 1:2<br />
Plateau - TP 10<br />
PEEP - PEEP Off<br />
6. Select CMV to begin ventilation.<br />
7. Verify that the pressure waveform, Tidal Volume, Mean or Plateau Pressure, Resp. rate<br />
and minute volume values appear on the screen.<br />
8. Verify the Tidal Volume display is within 25ml or ±15% of the delivered volume<br />
(whichever is greater) measured with the Vent Tester within approximately 1 minute from<br />
the start of ventilation.<br />
9. Verify the delivered volume as measured by a Vent Tester at the expiratory port, is within<br />
17% of the Tidal Volume set value within approximately 1 minute from the start of<br />
ventilation.<br />
6.8.7.7 Airway Disconnect Alarm Test<br />
1. While the ventilator is running, disconnect the expiratory limb from the Expiratory Port<br />
on the Breathing System.<br />
2. Verify the following airway pressure disconnect alarm signals activate:<br />
APNEA message appears on the screen.<br />
Low Airway Pressure message appears on the screen.<br />
An alarm tone sounds.<br />
AS3000 Service Manual 0070-10-0683 6 - 29