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Any supplemental oxygen flow must be turned off when the flow
generator is not operating, so that unused oxygen does not
accumulate within the flow generator enclosure and create a risk of
fire.
• At a fixed flow rate of supplemental oxygen flow, the inhaled oxygen
concentration will vary, depending on the pressure settings, patient
breathing pattern, mask, point of application and leak rate.
• The technical specifications of the mask and flow generator are
provided for your clinician to check that they are compatible. If used
outside specification or if used with incompatible devices, the seal and
comfort of the mask may not be effective, optimum therapy may not
be achieved, and leak, or variation in the rate of leak, may affect the
flow generator function.
• Discontinue using the Mirage Liberty if you have ANY adverse
reaction to the mask system, and consult your physician or sleep
therapist.
• Discontinue using the Mirage Liberty if you experience nasal irritation,
and consult your physician or sleep therapist.
• Refer to your flow generator manual for details on settings and
operational information.
Using the Mask
Select ‘Mir Full’ or ‘Full Face’ as the mask option when using the Mirage
Liberty with ResMed flow generators that have mask setting options.
Fitting the mask
The diagrams in section A on the illustrations sheet show how the parts of the
mask fit together.
The diagrams in section B show the suggested sequence for obtaining the
best fit and comfort in using your mask. Please follow these instructions
carefully.
1 Wash your face thoroughly before fitting the mask. It is recommended that
you do not apply moisturiser where the mask contacts your face as it can
affect the mask seal.
2 Place the headgear on your head, like you would a cap, and pull the mask
forward onto your face (B-1). Make sure that the headgear fits evenly on the
top of your head.
3 Fit the mask over your mouth. Insert the pillows so that they sit gently just
inside the entrance to your nostrils.
4 Push the lower headgear clips into the slots on the mask frame until they
click into place (B-2).
61850r2 Eng.fm Page 2 Tuesday, April 3, 2007 4:42 PM