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Sierra

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Set to CPAP Fixed Mode

Pressure 11 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 2, Full Time

Mask: ResMed AirFit P10 Nasal Pillow

Canada

I have attempted to fix my wife's Mirage FX mask which broke at the strap attachment clip. I first tried silicone as I thought that would be flexible and not break. However, it was not strong enough, and did break almost immediately. Also it takes a long time to set up. Then I tried Gorilla crazy glue, and it was relatively successful. She wore it for a while, and now keeps it as a spare.

You might want to consider buying some F20 parts yourself to keep as emergency spares and not tell them about it. While it seems in the US you need a prescription to get a full mask, you are able to buy parts without one. Some apparently just buy all the parts and put them together themselves to get a complete mask. There are many places to go, but here is a link to CPAP.com. The silicone mask cushion is $54, while the complete mask assembly without headgear, is $118. If you added the headgear it would be another $31, and you would have a complete mask. However it sounds like all you really need is the cushion...

AirFit F20 Assembly Kit

One more thought. The F20 comes in two versions. The AirFit version uses a silicone cushion. The same mask frame can be used with the memory foam cushion, and then I believe it is called the AirTouch. Some like the memory foam, and some do not. Many report it is not durable and easily tears. If you have the memory foam type, you may want to go with the silicone cushion for better durability.

The manufacturer recommends against using stuff like Vaseline on the mask, and claim it causes the cushion to deteriorate. I just keep mine clean. I have the F20 with silicone, but was not able to get it to stop leaking, so I am afraid I am not a good one to give advice on that aspect...

I can't figure out how to post my own SleepyHead images at this site, or I would show you a graphics screen from SleepyHead that shows what air loss from an open mouth looks like. I use the same mask as you, and do have mouth leaks. I did a quick search in Google for images that might be representative of a mouth leak. What I found is a SleepyHead daily report screenshot that shows what major leaks look like (gray highlighted areas). These leaks are really bad, and the mask may even be coming right off. That said mouth leaks look similar but lower in magnitude in my experience. They have flat tops and max out in the 30-35 L/min range, not 95 like in this example. What SleepyHead does is show you what happens all night from second to second. It is much more revealing than a single set of summary data, showing the average leakage rate. Summary data is good to flag that there is a problem, but not so good in diagnosing what the root cause is.

SleepyHead Example of Excessive Leakage

If you want to confirm for sure that the issue is mouth leaks, I would suggest using the chin strap, and also taping your mouth shut. Sounds awful, but I do it every night using 3M millipore paper tape. Some will say it is a risky thing to do. What happens if your throw up in the night? My answer is what happens if you throw up in the night when wearing a full face mask, and fill the mask with vomit? You plug your nose and your mouth. Either way not pleasant. I use about a 4" strip of 1" tape, and fold over the last 1/4" or so to make a non adhesive tab that I can use to easily pull the tape off, if I have to in a hurry. I never have. I do wake up in the night sometimes and wonder why I can't open my mouth though!!