Patient Circuits; Fitting The Circuit Adapter - ResMed Astral 150 Quick Start Manual

Patient circuits

The Astral device supports single and double limb circuits with the use of interchangeable circuit
adapters.
Breathing circuits may be of 10, 15 or 22 mm diameter. For recommended patient circuit
components and compatible accessories, refer to www.resmed.com/astral/circuits.
There are three circuit adapters:

Fitting the circuit adapter

Before connecting the patient circuit, the adapter specific to the required circuit type must be fitted.
To fit the adapter:
1
3
5
Adapter
1. Single limb
2. Single limb
3. Double limb
2
4
For use with
Single limb circuit with intentional
leak leak
or Mouthpiece circuit
Single limb circuit with expiratory
valve (expiratory valve integrated
into the circuit)
Double limb circuit (expiratory valve
integrated into the adapter) OR
(Astral 150
single limb circuit with intentional
only)
leak
or Mouthpiece circuit
1. Turn over the device and place
on a soft surface (to protect
the LCD screen).
2. Press and hold the eject
button. Pull the cover out
towards you.
3. Lift the adapter out of the
socket.
4. Replace with the new adapter,
ensuring it sits firmly in the
socket.
5. Place the cover over the
enclosure, ensuring the
runners on the device and the
cover are aligned. Slide the
cover back into place until the
latch clicks.
3