5 System operation 33
fabian +nCPAP evolution | SW V5.1.x
Ref: 122003.EN / Date : 26Jan2021
5.2.2 Use of dual limb patient circuit
If Reusable patient circuits are used, they should be used with inspiratory and
expiratory limb heater wire or alternatively, a water trap in the expiratory limb:
Assemble the tubing as required:
Connect Inspiratory /
Expiratory line and Pressure
limb to Y-piece.
Connect Flow-sensor to Y-
piece.
Connect Flow-sensor cable
to Flow-sensor.
Y-piece
Flow sensor
Proximal pressure
measurement line
Ventilation Circuit
Flow sensor connection
cable
Figure 5-4: Flow sensor to patient circuit connection
Prepare Humidifier according to manufacturer specifications and connect to tubing.
• If the Humidifier does NOT feature an Inspiratory line heater, Water Traps must be
installed in the Inspiratory and Expiratory Limbs.
Figure 5-5: Dual limb circuit with 2 water traps
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