Circuits And Patient Interfaces; Patient Circuit Accessories; Power Accessories - ResMed Astral Series Clinical Manual

Circuits and patient interfaces

The following circuits are available for use with the Astral device.
•
Single limb circuit with intentional leak (provides a leak compensated estimate of patient flow and
exhaled tidal volume)
•
Single limb circuit with expiratory valve
•
Double limb circuit (exhaled gas returns to the device for monitoring) (Astral 150 only)
•
Mouthpiece circuit (tube-only circuit for use with mouthpiece interfaces)
The Astral device is compatible with the following invasive and non-invasive patient interfaces:
Invasive
•
endotracheal tubes
•
tracheostomy tubes
Non-invasive
•
vented and non-vented masks
•
mouthpiece.
WARNING
The measurement of patient exhaled gas volume may be affected by leak.

Patient circuit accessories

The following patient circuit accessories are available for use with the Astral device:
• Humidifier
•
Heat Moisture Exchange (HME)
•
Antibacterial filter
For information on attaching and using patient circuit accessories, refer to Attaching patient circuit
accessories (see page 48).

Power accessories

WARNING
•
The Astral device should only be used with accessories recommended by ResMed. Connection
of other accessories could result in patient injury or damage to the device.
•
Connecting the Astral device to the battery of a battery-powered wheelchair may affect the
device performance and may result in patient harm.
The Astral device can be connected to a range of accessories as follows:
•
Astral External Battery
•
ResMed Power Station II
•
Astral DC adapter
•
ResMed Remote Alarm II
•
Pulse Oximeter.
Circuits and patient interfaces
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