P
ATIENT
C
IRCUITS
D-4
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906-0731-01-05 Rev. C
Directions for Use -- Pediatric/Adult Patient Circuits
The following steps describe how to attach a Pediatric/Adult patient circuit to a ZOLL
Ventilator and verify that it is working correctly.
Figure D-1 Pediatric/Adult Patient Circuit
1. Connect inspiratory line to the ventilator’s gas outlet.
2.
Connect the opposite end of the green pressure line to the airway pressure transducer fitting
on the ventilator. Make sure that the connection is secure by fully pushing the connector to
the metal panel.
3.
Connect the opposite end of the clear exhalation valve line to the exhalation valve fitting on
the ventilator.
Cut off the cuff connector on the green pressure line as shown in the following figure,
and connect securely to the transducer fitting:
4.
Verify that all tubing and hose connections are securely tight.
5.
Cycle the ventilator in accordance with operating instructions with the ventilator connected
to a test lung prior to patient use; check for leaks and occlusions. Ensure that gas properly
flows through the exhalation valve.
6.
Use the following procedure to calculate compressible volume loss for the patient circuit:
a) Determine the tubing compliance (
C
T
):
Exhalation
Valve Line
(Clear)
Pressure Line
(Green)
Inspiratory Line
Cut Here
Note: Wipe a pair of
scissors with isopropyl
alcohol or equivalent
disinfectant and allow
to dry before cutting.