Technical Specifications - ResMed Pixi User Manual

Air leaking around the nose
Mask is not tightened correctly. Tighten the bottom and middle headgear straps.
The mask does not fit properly
Mask may be incorrectly
assembled.
Cushion may be dirty.
WARNING
• The technical specifications of the mask are provided for your clinician to
check that they are compatible with the CPAP or bilevel device. 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 device function.
• Discontinue using this mask if the child has any adverse reaction to the use of
the mask, and consult your physician or sleep therapist.
•
At a fixed 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. This warning applies to most type of CPAP or
bilevel devices.
• As with all masks, some rebreathing may occur at low CPAP pressures.
Refer to your device manual for details on settings and operational information.

Technical specifications

Pressure–flow The mask contains passive venting to protect against rebreathing. As
a result of manufacturing variations, the vent flow rate may vary.
curve
70
60
50
40
30
20
10
0
2 4 6
Physical dead space is the empty volume of the mask to the end of
Dead space
information the swivel.
It is 101.7 mL.
The top strap is designed to sit quite loosely. Do not
overtighten.
Turn off the device and remove the mask. Refit the
mask according to the instructions. Ensure you
position the cushion correctly on the face before
pulling headgear over the head.
Disassemble the mask and reassemble according to
the instructions.
Clean the cushion according to the instructions.
8 10 12 14 16
Mask pressure (cm H
18 20 22 24 26
O)
2
7
Pressure Flow
)
(cm H O (L/min)
2
2 14
9 31
16 43
23 53
30 61
28 30