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AirFit F10 Elbow leak
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Cairnam Offline

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Posts: 1
Joined: Aug 2015

Machine: Resmed S10 Autoset
Mask Type: Full face mask
Mask Make & Model: AirFit F10
Humidifier: Include
CPAP Pressure: 10-16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #1
AirFit F10 Elbow leak
Hello,

I am new to this world as I got my first CPAP machine yesterday. I do believe I've had this issue for at least the last 15 year (now 34) and my case was very bad (>99 confirmed events per hour at my sleep study, no rem at all, etc).

I had not such a bad night, averaging 20 events/h with the cpap (well compared to 99/h, that's good, no?), which I had not expected since when they calibrated me at the sleep study I had no events at 11 cm h2o and my cpap is calibrated for that and more.

The question I have until I can contact my doctor is about the mask; it appear to be leaking quite a lot at the elbow, and I was wondering if that was reducing the effectiveness or normal. The ResMed S10 reported an average of 10l/m being lost to the leak which I have no way to know if it's good or not.

I downloaded sleepyhead and it confirmed leaks between 8 (med) to 14L/m (95%), do I have to worry about this ? Thank you!
08-16-2015 01:43 PM
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trish6hundred Offline

Advisory Members

Posts: 6,453
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #2
RE: AirFit F10 Elbow leak
Hi Cairnam,
WELCOME! to the forum.!
You might be confusing a leak in the elbow with vent holes which are necessary for the mask to work properly.
Hang in there for more answers to your question and much success to you with your CPAP therapy.

trish6hundred
08-16-2015 01:50 PM
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PaytonA Offline
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Monitors

Posts: 3,019
Joined: Dec 2013

Machine: ResMed S9 VPAP Auto
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
Humidifier: H5i(distilled-top up)
CPAP Pressure: VAuto MinE14.0 MaxI 20.6 PS4.0
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Orange County,California

Post: #3
RE: AirFit F10 Elbow leak
If you are feeling air coming out around where the elbow inserts into the frame, That is where the intentional vents are. This vent is necessary for the safe operation of the mask. It reduces residual CO2 in the system. The Resmed machine reports unintentional leaks, which are leaks over and above the amount of air flowing through the vent. Unintentional leaks below 24 l/min. are considered to be not objectionable from the machine's point of view. The machine can still overcome the leak and provide the proper pressure and it can still sense and discriminate apneas.

Best Regards,

PaytonA
08-16-2015 02:18 PM
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justMongo Offline

Monitors

Posts: 3,855
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #4
RE: AirFit F10 Elbow leak
(08-16-2015 02:18 PM)PaytonA Wrote:  If you are feeling air coming out around where the elbow inserts into the frame, That is where the intentional vents are. This vent is necessary for the safe operation of the mask. It reduces residual flushes CO2 in the system. The Resmed machine reports unintentional leaks, which are leaks over and above the amount of air flowing through the vent. Unintentional leaks below 24 l/min. are considered to be not objectionable from the machine's point of view. The machine can still overcome the leak and provide the proper pressure and it can still sense and discriminate apneas.

Best Regards,

PaytonA

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
08-16-2015 02:34 PM
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quiescence at last Offline

Advisory Members

Posts: 753
Joined: Nov 2014

Machine: REMstar System One with Autoflex
Mask Type: Full face mask
Mask Make & Model: Quattro AirFit F10
Humidifier: yes typical setting = 4
CPAP Pressure: 5-13 Autotritrating CPAP
CPAP Software: SleepyHead EncoreBasic

Other Comments: CMS-50F Plus oximeter /w SPO2 Assistant software. Avowed mouth-breather switching to nose-breathing

Sex: Male
Location: US

Post: #5
RE: AirFit F10 Elbow leak
all true, that intentional and non-intentional leaks can be fairly high without changing the effectiveness of the therapy, and 20 to 24 l/min is a lot. The other thing that leaks do is disrupt sleep (for some patients) due to:

1. making noise or making the machine make more noise.
2. leaks hitting or pushing past skin, hair, or eyes.
If the leaks are as described, but do not disrupt your sleep, then it's fine!

If disruptions do occur you can actually use techniques to help minimize the disruptions. For number 2 above, for example, many use cloth pad between mask and skin. In some cases this actually increases the leak a little bit, but greatly reduces the sound of hissing, and is soothing rather than alerting. For number 1, I sometimes hang a handkerchief in front of my mask, and it slows the flow just slightly and spreads it out, decreasing the sound but the flow is still well above needed to be safe from CO2 buildup.

Good luck.

QAL

Dedicated to QALity sleep.
You'll note I am listed as an Advisory Member. I am honored to be listed as such. See the fine print - Advisory Members as a group provide advice and suggestions to Apnea Board administrators and staff concerning Apnea Board operation and administrative policies. Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
08-16-2015 11:16 PM
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