Functional Tests
Periodic Maintenance
6 - 32
6.8.8
Alarms and Failsafe Functions
6.8.8.1
Set Up
1.
Ensure that the gas pressure for O
2
, N
2
O, and AIR are at 50 ±10 psi.
2.
Power ON the
3.
Perform the Startup Tests per the on-screen instructions. Ensure successful completion.
4.
Attach a breathing circuit and breathing bag.
NOTE:
For testing purposes always use a reusable breathing
circuit.
5.
Attach an adult test lung to the Y-fitting of the breathing circuit.
6.
Set the O
2
flow to 2 L/min and set the N
2
O and AIR flow rates to minimum flow.
7.
Set the ventilator controls to:
8.
Select
CMV
to begin ventilation.
6.8.8.2
Low FiO
2
Alarm Test
1.
Set the low FiO
2
Alarm limit to 50% O
2
.
2.
Set the AIR flow control valve to 5 L/min.
3.
Set the FiO
2
flow controller to minimum flow.
4.
Verify the following Low FiO
2
alarm signals activate, within three ventilation cycles:
•
Low FiO
2
message appears on the screen.
• An alarm tone sounds.
5.
Set the Low FiO
2
alarm limit to 18%.
6.
Verify the alarm signals cease.
VENTILATOR CONTROLS
VENTILATOR SETTINGS
Patient Type
Adult
Ventilation Mode
CMV
Tidal Volume -
V
T
600
Breath Rate -
freq
8
I:E Ratio -
I:E
1:2
Plateau -
T
P
10
PEEP -
PEEP
Off
Summary of Contents for Datascope AS 3000
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