iVolve
N2
Nasal Mask User Manual V2.0
5 / 12
Eng
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Disassembling the Mask
1
2
3
Detach the air tubing.
Unclip the clips and
unthread the upper
headgear straps. It is
not necessary to
remove the clips from
the headgear.
Remove the forehead
pads from the
forehead frame.
Remove the cushion
assembly from the
mask frame.
Getting the Right Cushion Size
The following drawings are the different features of face. The
length of the nose is
“N1”, and the width of the nose is “N2”.
There are masks in three different sizes provided for
comfortable therapy.
“S”, “M” and “L” represent Small, middle
and large, respectively.
The mask cushion is designed shaping with men
’s nose, when
the dimensions of patient
’s nose are equal with the mask, the
mask will fit the nose at the most fit place. Otherwise, he should
choose another size.
Choose the smallest size mask cushion that is wide enough to
extend beyond the nostrils but does not obstruct breathing.