ResMed 628035 Sleep Apnea Machine User Manual


 
8
Problem/possible cause Solution
Mask does not fit properly.
Mask is incorrectly assembled. Disassemble the mask, then
reassemble according to the
instructions. Ensure that the swivel
ring on the elbow has not been
inserted too far into the cushion.
Check that the printing on the left
headgear strap (Swift FX) aligns to
the printing on the cushion arm
(Nano).
Mask may be the wrong size. Talk to your clinician.
Cushion may be dirty. Clean cushion according to the
instructions.
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.
Pressure
(cm H
2
O)
Flow
(L/min)
420
829
12 37
16 43
20 49
22.5 52
30 61
Dead space
information
Physical dead space is the empty volume of the mask to the
end of the swivel. Using the wide cushions it is 125 mL.
Therapy
pressure
4 to 30 cm H
2
O
Resistance Drop in pressure measured (nominal)
at 50 L/min: 0.5 cm H
2
O
at 100 L/min: 2.0 cm H
2
O