Heyer Pasithec - Ventilator and Breathing System Tests

H E Y E R P a s i t h e c
Rev. 0.2 Draft – 12/09 HEYER Pasithec, Operator’s manual 51 / 106
5.6 Breathing System Test
Confirm the non-return valve in the Breathing Circuit module works normally:
The non-return exhalation valve will ascend during the exhalation period and descend during the
inhalation period.
WARNING: Objects in the breathing system can interrupt or disrupt the delivery of
breathing system gas, resulting in possible patient death or injury.
Do not use a testing plug small enough to slip completely into the breathing
system.
5.6.1 Check O
2
+ Button
Press the O
2
+ button (the sound of gas should be heard from the fresh gas outlet) then release. The
button should immediately drop back to its normal position and stop delivering gas.
5.7 Ventilator Test
1 Connect the simulation lung to the patient end.
2 Turn on Power Switch.
3 Set control options:
Ventilation mode: CMV mode
Ventilator: V
T
: 700 ml
f: 20 bpm
I:E: 1:2
P
limit
: 40 cmH
2
O
Anesthetic machine: O
2
flow: less than 200 ml
All other gas: closed
4 Press the O
2
+ button to inflate the bellows.
5 Be sure:
• Auto ventilation starts.
• No low pressure alarms sound.
• Ventilator displays the correct data.
• The bellows ascend and descend during auto ventilation.
6 Set the O
2
flow control to 5 L/min.
7 Ensure:
• Ending expiratory pressure is between 2~3 cmH
2
O.
• Ventilator displays the correct data.
• The bellows inflate and scavenge during auto ventilation.
8 Set the ventilator control and alarm limits to the proper clinical level.
9 Turn off main supply and close all gas cylinder valves if not using the system.
10 Ensure that the following items are complete:
Apparatus: Airway maintenance
Manual ventilation
Organ cannula
Applicable anesthesia and emergent drugs.