Adding Supplemental Oxygen - ResMed Astral Series User Manual

Accessories
To attach a bacterial/viral filter:
1. Fit the bacterial/viral filter to the inspiratory port of the device.
2. Connect the air tubing to the other side of the filter.
3. Perform the Learn Circuit function.
4. Attach the patient interface to the free end of the air tubing.
WARNING
•
To prevent the risk of cross-contamination, a bacterial/viral filter is mandatory if the device is to
be used on multiple patients.
•
The expiratory module, internal bacterial/viral filter, expiratory flow sensor and blue membrane
come into contact with exhaled gases but do not form part of the inspiratory pathway.

Adding supplemental oxygen

Oxygen may be prescribed by your clinician.
The Astral device is designed to be compatible with levels of supplemental oxygen up to 30 L/min.
At a fixed rate of supplemental oxygen flow, the inhaled oxygen concentration will vary depending on the
Ventilation mode and settings, patient breathing pattern, mask selection, and leak rate.
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