Resmed Quattro has Hissing fit

General Discussion on any topic relating to CPAP and/or Sleep Apnea.
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Snoredog
Posts: 6399
Joined: Sun Mar 19, 2006 5:09 pm

Resmed Quattro has Hissing fit

Post by Snoredog » Tue May 22, 2007 10:01 am

Well when I bought this Resmed Quattro mask, I didn't realize at the time I was beta testing it. But I have read here it is not supposed to be released until May 31? LOL, that figures!

But I do believe the one I got has a defect with the anti-asphyxia valve.

I've been trying to use it every night or at least trying to make an effort to do so, since I got mine last week, but for some reason I'd wake up an hour or two later with it "hissing" at me and the machine revving up high to compensate for it.

I've used it with two different autopaps now (my 420e and my M series auto) and both machines respond in a similar fashion.

The "hiss" is annoying at best, last night I made a mad dash down to Albertsons to purchase a pair of ear plugs. So I took a shower and shaved, my usual routine, rolled the foam ear plugs in my finger stuck them in my ears, put on the Quattro and went to sleep. I woke up this morning, removed the ear plugs and there it was, the loud "hiss" and the noise of the machine over-revving to compensate. I'm feeling around to figure out where it is coming from, I'm feeling around the edge of the cushion, nothing! I feel in front where the tiny exhaust holes are, doesn't feel any different, I can feel a strong stream of air exiting the exhaust holes, well that is normal I guess, then I feel around the elbow where the flapper valve is, whola! there it is, it is coming from the flapper valve holes.

mmm....with cpap pressure that valve should NOT be leaking and air escaping them holes.

I'll put in a call to Resmed today and see what's up with this, but if they cannot offer me any suggestions, this mask is going back in the box and back to where I purchased it from. This "hiss" is LOUD, there is no way in hell this mask is 50% quieter than the UMFF, I know the UMFF and this ain't no UMFF that is for sure. Buyer beware.

someday science will catch up to what I'm saying...

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Wulfman
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Post by Wulfman » Tue May 22, 2007 10:55 am

I wonder if you guys got some out of the same batch?

viewtopic/t20230/My-Quattro-leaks.html

Den
(5) REMstar Autos w/C-Flex & (6) REMstar Pro 2 CPAPs w/C-Flex - Pressure Setting = 14 cm.
"Passover" Humidification - ResMed Ultra Mirage FF - Encore Pro w/Card Reader & MyEncore software - Chiroflow pillow
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nate124
Posts: 12
Joined: Fri Apr 13, 2007 10:45 pm

Post by nate124 » Wed May 23, 2007 5:12 pm

My sleep doc tells me that they were given a few Liberty masks for a 1 week trial but he had to return them after 1 night because they had the same problem with air leaking at the swivel elbow/mask joint.

- Nathan