Mirage Liberty™
FULL FACE MASK
User Guide
English
61850/2
07 04
MIRAGE LIBERTY
USER
APAC ENG
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Global leaders in sleep and respiratory medicine
Mask parts
Fitting the mask
A
B
Mouth cushion
Nasal pillows
Cushion alignment guide
1
3
4
5
1
2
Elbow
Valve hinge
Exhaust vents
Valve flap
Valve
Mask frame
2
Ports cap
Valve clip
Disassembling for cleaning
C
Inlet tube
1
2
3
4
5
6
7
8
Swivel
Headgear parts
Upper straps
Right upper clip
Left upper clip
™
Lower straps
Lower clip
Lower clip
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Reassembling the headgear
Reassembling the mask
E
D
1
1
2
3
4
5
Mirage Liberty
Full Face Mask
Illustrations Sheet
Note: For complete instructions, please read the text section
in conjunction with the illustrations on this sheet.
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Component of: 61850/2
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Mirage Liberty™
FULL FACE MASK
Thank you for choosing ResMed’s Mirage Liberty. The Mirage Liberty is a full
face mask that combines nasal pillows and a mouth cushion, creating a mask
that is both unobtrusive and easy to use without compromising seal, stability
and comfort.
The mask incorporates vent holes and a built-in valve so that you can continue
to breathe fresh air if the airflow to your mask is impeded for any reason.
Intended Use
The Mirage Liberty channels airflow noninvasively to a patient from a positive
airway pressure device such as a continuous positive airway pressure (CPAP)
or bilevel system.
The Mirage Liberty is to be used by adult patients (>30 kg) for whom positive
airway pressure has been prescribed.
The Mirage Liberty is intended for single-patient re-use in the home
environment and multipatient re-use in the hospital/institutional environment.
Before Using the Mask
WARNING
•
•
The Mirage Liberty must be used under qualified supervision with
patients who are unable to remove the mask by themselves. The mask
may not be suitable for those predisposed to aspiration.
The elbow and valve assembly have specific safety functions. They
allow you to breathe fresh air if the airflow from your flow generator
to your mask is impeded. The mask should not be worn if the valve is
damaged as it will not be able to perform its safety function. The valve
should be replaced if it is damaged, distorted or torn.
•
•
The vent holes must be kept clear.
Follow all precautions when using supplemental oxygen.
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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).
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5 To tighten or loosen the headgear straps, peel the Velcro® tab off the
headgear and reposition it. Gently and evenly adjust the upper headgear
straps (B-3), then the lower straps (B-4). Alternate the adjustment of each
set of straps until they are comfortable and firm and so that the upper
headgear clips rest between your eye and your ear. The mask should gently
‘float’ on your face. Do not overtighten the headgear straps.
6 Connect one end of the main air tubing to your flow generator and the other
end to the swivel.
7 Connect the elbow to the mask frame, holding the sides of the elbow then
firmly pushing it onto the frame until it clicks into place (B-5). Rotate the
elbow to check that it rotates freely and does not separate from the frame.
8 Turn your flow generator on.
9 If you feel air leaks, you may need to adjust your headgear. Return to step 5
or check through the suggestions in “Optimising mask seal and comfort”
below.
Optimising mask seal and comfort
To receive effective therapy it is important to have the best seal possible
between your mask and your face. If you are experiencing leaks, please ensure
that you have followed the fitting instructions carefully. Carry out a quick check
after fitting your mask:
•
•
•
•
•
•
Is the mouth cushion creased? Creases can allow air to leak out of the
mask.
Have you cleaned your mask recently? Oils on the cushion and pillows can
affect the seal.
Are the pillows correctly seated in your nostrils? Re-seat or adjust the
pillows to obtain a proper seal.
Are your headgear straps overtightened? Try not to alter the upper headgear
straps once they have been tightened by your clinician.
If you cannot establish a comfortable seal, do not overtighten the headgear.
Consult your clinician.
Try another nasal pillow size.
If you cannot resolve any problems, look at the Troubleshooting section, or talk
to your clinician.
Removing the Mask
To remove the Mirage Liberty:
1 Detach the elbow by squeezing the elbow on both sides (C-1).
2 Unclip both of the lower headgear clips (C-2) and remove the mask.
3
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Note: You can detach the elbow from the mask frame and leave the mask on
your face. You may prefer to do this when briefly stopping therapy, for
example to go to the bathroom.
Disassembling the Mask
See section C on the illustrations sheet.
1 Unclip the upper headgear clips from the frame (C-3).
2 Carefully pull the mouth cushion away from the frame (C-4).
3 Push the two nasal pillows down through the mouth cushion (C-5).
4 Remove the ports cap (C-6).
5 Detach the inlet tube assembly from the elbow.
Note: The swivel does not need to be disconnected from the inlet tube.
6 Detach the valve clip from the elbow (C-7).
7 Peel the valve from the valve clip (C-8).
Note: Do not pull on the valve flap, as this may cause it to tear.
Cleaning the Mask in the Home
Notes:
•
•
•
The mask and headgear can only be cleaned by handwashing.
The headgear may be washed without removing the headgear clips.
Do not soak any components of the mask.
WARNING
•
Do not use aromatic-based solutions or scented oils (eg, eucalyptus or
essential oils), bleach, alcohol or products that smell strongly (eg,
citrus) to clean any of the mask components. Residual vapours from
these solutions can be inhaled if not rinsed thoroughly. They may also
damage the mask, causing cracks.
•
Do not iron the headgear as the material is heat sensitive and will be
damaged.
Daily/After Each Use
To optimise the mask seal, facial oils should be removed from the cushion and
pillows before use.
Handwash the mask by gently rubbing in warm (30°C) water using mild soap
or diluted dishwashing detergent.
Clean the walls of the nasal pillows, including the space between the walls, of
any debris using a small brush.
Do not twist the valve during cleaning as this may damage or tear the valve
membrane or hinge. Take care when handling the valve.
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If the vent requires cleaning, use a soft bristle brush.
Rinse all components well with drinking quality water and allow them to air dry
out of direct sunlight.
Weekly
Handwash the headgear by gently rubbing in warm (30°C) water using mild
soap or diluted dishwashing detergent. Rinse the headgear well and allow it to
air dry out of direct sunlight.
Cleaning the Mask between Patients
The Mirage Liberty should be disinfected or sterilised when used between
patients.
Detailed disinfection and sterilisation instructions are available from the
consulted before multipatient use.
Reassembling the Mask
See section D on the illustrations sheet.
Before reassembling the mask, check that all components are clean and dry.
Check that the valve is not damaged, distorted or torn, and that none of the
other components are broken or cracked. Replace any parts that are damaged.
Flexible PVC contains elements that can be detrimental to the materials of the
mask. If flexible PVC tubing is used continuously, the attachment port should
be inspected for cracking. Replace any parts that are damaged.
Refer to “Ordering Information” for re-order numbers.
1 Attach the nasal pillows to the mouth cushion:
a Push the nasal pillows through the holes in the mouth cushion (D-1).
b Pull the nasal pillows up until the grooves at their base fully engage
around the mouth cushion holes (D-2).
c Check that the tabs on each pillow fit into the corresponding notches on
the cushion (D-3). Check that the seal between the pillows and cushion
is complete.
2 Attach the mouth cushion to the frame:
a Position the cushion alignment guide between the two nasal pillows and
line up the triangle symbols on the bottom of the mask frame with
those on the mouth cushion.
b Press the mouth cushion into the groove in the frame (D-4).
c Check that the mouth cushion is fully seated in the groove.
3 Insert the ports cap (D-5).
4 Clip the upper headgear clips onto the mask (D-6).
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5 Assemble the elbow assembly:
a Push the tab of the valve up through the slot in the valve clip (D-7).
Ensure that the valve locks into the slot.
b Feed the flap of the valve through the slot in the elbow (D-8).
c Press the valve clip onto the elbow until you hear both sides click into
place (D-9).
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Push the inlet tube assembly onto the elbow assembly.
Reassembling the Headgear
If taken apart, the headgear has five parts: headgear straps, left and right upper
headgear clips, and two lower clips.
1 Attach the upper headgear clips to the mask frame (D-6). The mask
incorporates lock-out features to ensure that each upper clip attaches to the
correct side of the mask frame.
2 Clip the lower headgear clips into the mask frame.
3 Lay out the headgear straps, label side down. The label is on the outer side
of the headgear. The internal side is smooth, to be comfortable against your
face.
4 Thread the top (short) straps through the upper headgear clips (E-1, E-2).
5 Thread the bottom (long) straps through the lower clips (E-1, E-2).
6 Check that the headgear is not twisted.
Storage
Ensure that the mask is thoroughly clean and dry before storing it for any
length of time. Store the mask in a cool dry place out of direct sunlight.
Disposal
The Mirage Liberty does not contain any hazardous substances and may be
disposed of with your normal household refuse.
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Troubleshooting
Problem
Possible reason
Possible solution
Mask won’t seal properly or is
uncomfortable
Mouth cushion or pillows may
be dirty.
Clean mask according to
instructions in “Cleaning the
Mask in the Home”.
Mask may have been fitted
incorrectly.
Carefully follow instructions in
“Fitting the mask”.
Mask is incorrectly adjusted.
Check headgear is not over-
tightened.
Mouth cushion is wrong size.
Talk to your clinician.
Mouth cushion is skewed in
mask frame.
Check insertion of cushion.
Mouth cushion is misaligned or Ensure cushion is properly
creased on face.
aligned and that there are no
creases in it: undo headgear clip,
check cushion and reposition the
mask on your face.
Mask pillows are the wrong size. Try another size or talk to your
clinician.
Mask pillows are not correctly
seated in your nostrils.
Re-seat pillows into nostrils.
Mask pillows are skewed in
cushion.
Check insertion of pillows.
Mask is assembled incorrectly. Reassemble mask.
Mask is too noisy
Vents are blocked or partially
blocked.
Clean vents according to
instructions in “Cleaning the
Mask in the Home”.
Valve is misassembled.
Reassemble valve.
Cushion is not properly inserted. Check insertion of cushion.
Mask is assembled incorrectly. Reassemble mask.
Valve is damaged, torn or
distorted.
Replace valve.
Pillows are not inserted correctly Check insertion of pillows.
into cushion.
Mask is not sealing.
Check and adjust mask as
necessary.
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Technical Specifications
Note: The mask system does not contain latex, PVC or DEHP materials.
Pressure–Flow Curve
70.0
Pressure
Flow
60.0
50.0
40.0
30.0
20.0
10.0
0.0
(cm H O)
(
6.0 L/min)
2
4
22
32
41
48
54
8
12
16
20
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
Mask Pressure (cm H O)
2
Note: As a result of manufacturing variations, the vent flow may vary from that
indicated in the graph.
Dead Space Information
Dead space is the empty volume of the mask up to the elbow.
The maximum dead space of the Mirage Liberty for all mask size combinations
is 151 mL.
Standards
CE designation in accordance with EC directive 93/42/EEC, class IIa.
ISO 14971, ISO 10993-1, ISO 17510-2, ISO 13485.
Therapy Pressure
4 to 20 cm H O
2
Resistance
Drop in pressure measured (nominal)
at 50 L/min: 0.5 cm H O
2
at 100 L/min: 1.6 cm H O
2
Sound
The A-weighted sound power of the mask is 28 dBA.
Environmental Conditions
Operating temperature: +5°C to +40°C
Operating humidity: 10%–95% relative humidity non-condensing
Storage and transport temperature: -20°C to +60°C
Storage and transport humidity: 10%–95% relative humidity non-condensing
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Mask sizes
(excludes inlet tube and headgear)
size
small
large
width (mm)
height (mm)
depth (mm)
110
110
92
95
100
100
Symbols
System and Packaging
Caution, consult accompanying documents
Lot number
LOT
REF
Part number/Product code
No latex
Humidity limitation
Temperature limitation
Manufacturer
User Guide
Indicates a warning or caution and alerts you to a possible injury or explains
special measures for the safe and effective use of the device.
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Ordering Information
Ref.
Item
System
61310
61311
61312
61313
Mirage Liberty Full Face Mask, Small – ANZ
Mirage Liberty Full Face Mask, Large – ANZ
Mirage Liberty Full Face Mask, Small – Asia-Pacific
Mirage Liberty Full Face Mask, Large – Asia-Pacific
Replacement parts
Mouth cushion, Small (1 pk)
61330
61331
61333
61334
61335
61337
61338
61340
61342
61343
60926
60927
61348
61349
61352
61353
16570
16571
60014
Mouth cushion, Large (1 pk)
Nasal pillows, Small (1 pk)
Nasal pillows, Medium (1 pk)
Nasal pillows, Large (1 pk)
Mask frame, Small (1 pk)
Mask frame, Large (1 pk)
Elbow assembly (elbow, valve and clip) (1 pk)
Valve and clip (1 pk)
Valve and clip (10 pk)
Inlet tube and swivel (1 pk)
Inlet tube and swivel (10 pk)
Headgear assembly, Small (1 pk)
Headgear assembly, Standard (1 pk)
Upper clips (2 pk)
Lower clips (2 pk)
Ports cap (2 pk)
Ports cap (10 pk)
Swivel (10 pk)
Limited Warranty
ResMed warrants that your ResMed mask system, including its components:
mask frame, cushion, headgear, tubing and other accessories (“Product”) shall
be free from defects in material and workmanship for a period of ninety (90)
days from the date of purchase by the initial consumer.
For further details refer to the Warranty.
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