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ResMed F20 mask magnets & pacemakers
#11
Thank you srlevine1. I will definitely check out the resources you cite. Your idea of replacing the magnetic closure using "velcro dots" is intriguing. Unless there is some sound information from credible sources in the interim, I'll look into the velcro idea during my next DME visit. Thanks again.
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#12
My wife has a pacemaker, If (currently a big IF) I where to use the F20 I would NOT feel comfortable wearing it in bed next to her. Cuddle a little wrong and potentially cause an issue, no thanks. I appreciate ResMed innovating a new system but would really appreciate an alternate set straps/headgear that would completely avoid the issue.

We have had many major issues and luckily come out on the good side (she is still here) at least 5 of them could have easily gone the other way. This one will NOT be an issue, sorry ResMed but I cannot consider using your F20 in it's current configuration.

And yes I agree the medical warnings are conservative.

Fred
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#13
I am curious. Aren't we talking about stray magnetic fields? When the magnetic clip on the mask is attached, the only magnetic fields that would affect nearby items would be the stray magnetic fields not the full magnetic strength of the magnets in question unless both sides of the clip are magnets. Of course if the magnets became detached during the night and started flopping around, that would be a different matter. Any way you look at it, in your situation, I would not use a mask with magnetic clips unless they were positioned further away with less chance of moving closer.

Best Regards,

PaytonA
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#14
SRLevine -- Did you ever try the Velcro option?
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#15
Those magnets would have to be a strong to withstand the strap pull forces as well as twisting and turns involved as the wearer shifts positions during the night. Or am I missing something here in my reading of the Resmed information?
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#16
The strap tension is held mechanically by a lip around the magnet. The magnet just maintains the lip in the correct position.

Best Regards,

PaytonA
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#17
(12-31-2016, 05:11 PM)bonjour Wrote: My wife has a pacemaker, If (currently a big IF) I where to use the F20 I would NOT feel comfortable wearing it in bed next to her.  Cuddle a little wrong and potentially cause an issue, no thanks.  I appreciate ResMed innovating a new system but would really appreciate an alternate set straps/headgear that would completely avoid the issue.

We have had many major issues and luckily come out on the good side (she is still here) at least 5 of them could have easily gone the other way.  This one will NOT be an issue, sorry ResMed but I cannot consider using your F20 in it's current configuration.

And yes I agree the medical warnings are conservative.

Fred

Very good common sense response Fred. I'm with you, first things  first.

Stan
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#18
(01-02-2017, 02:23 PM)PaytonA Wrote: I am curious. Aren't we talking about stray magnetic fields? When the magnetic clip on the mask is attached, the only magnetic fields that would affect nearby items would be the stray magnetic fields not the full magnetic strength of the magnets in question unless both sides of the clip are magnets. Of course if the magnets became detached during the night and started flopping around, that would be a different matter. Any way you look at it, in your situation, I would not use a mask with magnetic clips unless they were positioned further away with less chance of moving closer.

Best Regards,

PaytonA

I just tested mine with a non-magnetic blade. both sides of the clips are magnets. I'm not sure this has any bearing on the pacemaker safety issue. I just needed to satisfy my curiosity. Wink

It's the best mask I've used to date by far but I wouldn't wear it if I had the pacemaker.

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#19
Many people regard. a pacemaker of current design to be as susceptible to magnetic fields as the ones of the 1970's.  Current pacemaker designs, at least the ones I'm familiar with. incorporate inert composites and nonmagnetic alloys.  One of the big no-no's used to be getting near a microwave while its in use.  The new units will operate properly even while its in a microwave.  It's akin to comparing a Sopwith Camel to a F-35.  

The second part is mere speculation on my part.  A company like Resmed that is clearly over cautious when it comes to safety would have addressed this concern early on during R&D.
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