Mirage Activa™ LT
nasal mask
User Guide
English • Français • Español • Portug
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Parts of the Mask & Ordering Information
Complete System
Frame System
(No headgear)
Medium (M)
60148
60149
60150
Medium (M)
Large (L)
60172
60173
Large (L)
Large-Wide (LW)
Large-Wide (LW) 60174
Frame assembly (no headgear, no cushion): 60175
Elbow assembly (elbow, swivel): 16399
Forehead
Forehead support
16393
support pad
60123 (1)
60124 (10)
Dial
61289
Mask frame
60180
Mask cushion
and Clip
60177 (M)
60178 (L)
60179 (LW)
Cushion clip
60176
Elbow
16387
Headgear clip
16569 (2)
16734 (10)
Ports cap
16570 (2)
16571 (10)
Swivel
16565
Headgear
16118 (S)*
60114 (St)#
16119 (L)
Upper straps
Lower straps
*S Small
# St Standard
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Fitting
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Removal
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Disassembly
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Cleaning the Mask at Home
•
•
The mask and headgear should be cleaned by handwashing.
The headgear may be washed without removing the headgear clips.
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 vapors from these
solutions can be inhaled if not rinsed thoroughly.They may also damage
the mask, causing cracks.
CAUTION
•
•
If any visible deterioration of a mask component is apparent (cracking,
crazing, tears etc.), the mask component should be discarded and
replaced.
Avoid connecting flexible PVC products (eg, PVC tubing) directly
to any part of this mask. Flexible PVC contains elements that can
be detrimental to the materials of the mask, and may cause the
components to crack or break.
Daily/After Each Use
To optimize the mask seal, facial oils should be removed from the cushion
after use.
Handwash the mask by gently rubbing in warm (86°F/30°C) water using mild
soap.
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. Do not soak the mask.
Weekly
Handwash the headgear in warm (86°F/30°C) water using mild soap.
Reprocessing the Mask between Patients
This mask should be reprocessed when used between patients.
Cleaning, disinfection and sterilization instructions are available from the
If you do not have Internet access, please contact your ResMed
representative.
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.
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Reassembly
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Troubleshooting
Possible reason
Solution
Mask is uncomfortable
Headgear straps are too tight.
Adjust the straps evenly. The forehead support
“anchors” your mask and should sit firmly on
your forehead.
Cushion incorrectly inflated.
With the air turned off, adjust the straps so that
you can insert two fingers between your cheek
and the lower headgear strap.
Mask is too noisy
Cushion clip is not inserted
correctly.
Check that the cushion clip is correctly inserted
into the cushion, and that the cushion is
correctly clipped to the frame.
Ports cap or elbow incorrectly
inserted.
Check the the ports cap and elbow are correctly
inserted.
Vents are blocked or partially
blocked.
Clean vents according to instructions in
“Cleaning the Mask at Home”.
Air leaking around the face
Mask not positioned correctly.
Reposition the mask upon the face.
Wind the dial in.
Air leaking around the bridge of the
nose.
Air leaking around the top of the lip.
The mask does not fit properly
Cushion could be the wrong size.
Mask is incorrectly assembled.
Wind the dial out.
Talk to your clinician.
Reassemble the mask according to the
instructions in “Reassembly”.
Cushion may be dirty.
Clean cushion according to instructions in
“Cleaning the Mask at Home”.
Cannot insert forehead support into mask frame
When assembling the mask, you
Push dial base onto a hard surface until the dial
have inserted the dial into the frame comes out of the frame.
before the forehead support.
Disposal
The mask does not contain any hazardous substances and may be disposed of
with your normal household refuse.
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Technical Specifications
The mask system does not contain latex, PVC or DEHP materials.
Pressure–Flow
Curve
The mask contains passive venting to protect against rebreathing.
As a result of manufacturing variations, the vent flow rate may
vary.
50
Pressure
(cm H2O) (L/min)
Flow
45
40
35
30
25
20
15
10
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19
28
34
40
45
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12
16
20
0
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Mask10Press1u2 re (cm H2O)
Dead Space
Information
The dead space of the mask varies according to cushion size. It is
185 mL for the Medium size.
Therapy Pressure 4 to 20 cm H2O
Environmental
Conditions
Operating temperature: +41°F to 104°F (+5°C to +40°C)
Operating humidity: up to 95% non-condensing
Storage and transport temperature: -4°F to 140°F (-20°C to +60°C)
Storage and transport humidity: up to 95% non-condensing
Resistance
Drop in pressure measured (nominal)
at 50 L/min: 0.1 cm H2O
at 100 L/min: 0.7 cm H2O
Gross
dimensions
M, L, LW: 6.06”/154 mm (H) x 3.74”/95mm (W) x 4.6”/117 mm (D)
Mask fully assembled – no headgear.
The manufacturer reserves the right to change these specifications without
notice.
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Before Using the Mask
WARNINGS
•
•
•
The vent holes must be kept clear.
Follow all precautions when using supplemental oxygen.
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 varies, depending on the pressure settings, patient breathing
pattern, mask, point of application and leak rate.
The technical specifications of the mask are provided for your clinician to
check that they are compatible with the flow generator. 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 mask if you have ANY adverse reaction to the use of
the mask, and consult your physician or sleep therapist.
Using a mask may cause tooth, gum or jaw soreness or aggravate an
existing dental condition. If symptoms occur, consult your physician or
dentist.
•
•
•
•
As with all masks, some rebreathing may occur at low CPAP pressures.
Refer to your flow generator manual for details on settings and operational
information.
•
Remove all packaging before using the mask.
Symbols
L O T
REF
Caution, consult accompanying documents;
number; Temperature limitation; Humidity limitation;
contain latex; Manufacturer; Indicates a Warning or Caution and alerts
Lot number;
Part
Does not
you to a possible injury or explains special measures for the safe and effective
use of the device.
LimitedWarranty
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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ResMed Ltd (Manufacturer) 1 Elizabeth Macarthur Drive Bella Vista NSW 2153 Australia
ResMed Corp (US Designated Agent) 14040 Danielson Street Poway CA 92064-6857 USA
ResMed (UK) Ltd (EU Authorised Representative) 96 Milton Park Abingdon Oxfordshire OX14 4RY
UK
ResMed Offices Australia, Austria, Belgium, Brazil, China, Finland, France, Germany, Greece, Hong
Kong, India, Ireland, Italy, Japan, Malaysia, Mexico, Netherlands, New Zealand, Norway, Portugal,
details).
Mirage Activa LT Nasal Mask
Protected by patents: AU 2001267133, AU 710733, AU 741003, AU 766623, AU 775051, AU 777033,
AU 785376, CA 2261790, DE 20122844.0, EP 0956069, EP 1187647, EP 1187649, EP 1187650, EP
1314445, EP 1334742, EP 1479406, EP 1582230, EP 1640034 , HK 1057714, HK 1071083, JP 3686609,
JP 3802872, JP 4031422, NZ 513052, NZ 526165, NZ 526166, NZ 526167, NZ 526168, NZ 542849,
NZ 543939, US 6112746, US 6119693, US 6357441, US 6374826, US 6439230, US 6463931, US
6532961, US 6557556, US 6581594, US 6581602, US 6634358, US 6691708, US 6772760, US
6823865, US 6823869, US 6860269, US 6871649, US 6986352, US 6997188, US 7107989, US
7159587, US 7178527, US 7216647, US 7234466, US 7243651, US 7318439. Other patents pending.
Protected by design registrations: AU 156663, FR 031430, JP 1192859, US D487510, US D493521,
AU 156665, DE 40301991.5, FR 031425, JP 1197930, US D486227, US D493522, US D545960, US
D567935. Others pending.
Mirage and Activa are trademarks of ResMed Ltd and are registered in U.S. Patent and Trademark
Office.
© 2008 ResMed Ltd.
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608232-ENG/2 08 09
MIRAGE ACTIVA LT
USER
AMER MULTi
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Global leaders in sleep and respiratory medicine
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