Reprocessing the mask between patients, Technical specifications – ResMed Mirage Liberty User Manual
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Reprocessing the mask between patients
The mask should be reprocessed when used between patients. Cleaning,
disinfection and sterilisation instructions are available from the ResMed website,
www.resmed.com/masks/sterilization. If you do not have internet access,
please contact your ResMed representative.
Technical specifications
Pressure-flow curve – The mask contains passive venting to protect against
rebreathing. As a result of manufacturing variations, the vent flow rate may vary.
Vent flo
w rat
e (L/min)
0
20
40
60
80
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
Quattro Air/ Quattro Air for Her
Quattro
Quattro FX/ Quattro FX for Her
Liberty
Mask pressure (cm H
2
O)
Quattro Air/
Quattro Air
for Her
Quattro FX/
Quattro FX
for Her
Quattro
Liberty
Pressure (cm H
2
O) Flow (L/Min)
3
19
—
—
—
4
22
22
22
22
8
32
32
32
32
Quattro Air/
Quattro Air
for Her
Quattro FX/
Quattro FX
for Her
Quattro
Liberty
Pressure (cm H
2
O) Flow (L/Min)
10
37
37
37
37
12
41
41
41
41
16
48
48
48
48
20
54
54
54
54
24
60
60
60
—
28
66
66
66
—
30
69
69
69
—
32
72
—
72
—
36
77
—
77
—
40
82
—
82
—
Deadspace: Empty volume of mask to swivel. The deadspace of the mask varies
according to cushion size.
222 mL
(Large)
243 mL
(Large)
240 mL
(Large)
151 mL
(Large)*
* Empty volume of mask to elbow.
Therapy pressure (cm H
2
O)
3 - 40
4 - 30
4 - 40
4 - 20
Resistance: Drop in pressure measured (nominal) (cm H
2
O)
at 50 L/min
0.2
0.1
0.1
0.1
at 100 L/min
0.9
0.5
0.4
0.5
Inspiratory and Expiratory Resistance (cm H
2
O)
Inspiration
0.6
0.7
0.8
0.7
Expiration
1.0
0.7
0.8
0.8