LTV 1150 - Page 280

Page 9-24 LTV
®
1200/1150 Ventilator Service Manual p/n 18603-001, Rev. C
LTV
®
1200/1150 SERIAL NUMBER: _____________
TEST
DESCRIPTION
STEP
#
MEAS.
VALUE REQUIREMENT
PASS /
FAIL
Sensitivity
Settings: Volume, PEEP= 5, BPM=6,
TV=700, Insp Time=2.0, Sensitivity= 2
4)A)
LEAK COMPENSATION OFF:
4)B)
Hold Select button Status monitor displays ALARM OP
Rotate Set Value knob Status monitor displays VENT OP
Press Select and rotate Set Value Status monitor displays LEAK COMP
Press Select and rotate Set Value Status monitor displays COMP OFF
Press Select and press Control Lock (2)
times
Observe the Patient Effort LED on the
upper right hand side of the ventilator
control panel while creating a 4 Lpm leak
past the patient wye momentarily during
the exhalation portion of the respiratory
cycle.
4)C)
The Patient Effort LED should
momentarily flash and an inspiration
should immediately begin.
LEAK COMPENSATION ON:
4)D)
Press the Sensitivity button and rotate
Set Value knob
Status monitor displays “-“ (sensitivity
deactivated)
Hold Select button
Status monitor displays ALARM OP
Rotate Set Value knob
Status monitor displays VENT OP
Press Select and rotate Set Value
Status monitor displays LEAK COMP
Press Select and rotate Set Value
Status monitor displays COMP ON
Press Select and press Control Lock (2)
times
Create a 4 Lpm leak past the patient wye
and wait for at least (2) full breath cycles.
Set the Sensitivity to 2 Lpm.
4)E)
The Patient Effort LED should not flash
during and following the sensitivity being
set to 2 Lpm.
While monitoring the Patient Effort LED,
disconnect the test lung momentarily
during the exhalation portion
of the breath
cycle.
4)F)
The Patient Effort LED should
momentarily flash and an inspiration
should immediately begin.
PEEP Test
Measured PEEP must be 0 ± 1 cmH
2
O
Settings: Volume, Assist / Control,
TV=500, BPM= 10, Insp Time = 1.0
seconds, PEEP= 0
5)A)
Displayed PEEP must be 0 ± 1 cmH
2
O
Measured PEEP must be 20 ± 2 cmH
2
O
Settings: Volume, Assist / Control,
TV=500, BPM= 10, Insp Time = 1.0
seconds, PEEP= 20
5)B)
Displayed PEEP must be 20 ± 2 cmH
2
O
Measured PEEP must be 5 ± 1 cmH
2
O
Settings: Volume, Assist / Control,
TV=500, BPM= 10, Insp Time = 1.0
seconds, PEEP= 5
5)C)
Displayed PEEP must be 5 ± 1 cmH
2
O