ResMed CRT Television 61850 2 User Guide

Mirage Liberty™  
FULL FACE MASK  
User Guide  
English  
61850/2  
07 04  
MIRAGE LIBERTY  
USER  
APAC ENG  
6
1
8
5
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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  
 
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.  
6
7
8
9
2
Component of: 61850/2  
 
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.  
1
 
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).  
2
 
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
 
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.  
4
 
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).  
5
 
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).  
6
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.  
6
 
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  
8
 
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.  
9
 
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.  
10  
 

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