Artifact from CPAP machines

CPAP, BiPAP, and other sleep systems

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Artifact from CPAP machines

Postby oldgrowth » Wed Sep 10, 2014 2:35 pm

I am told by Nihon Kohden that CPAP machines are very loud (electromagnetic activity) and should be installed on the opposite side of the bed from the headbox/amplifier. This includes the actual pap machne and the box that produces DC signals to run into the headbox/amplifier. Also told that Res Med paps are the loudest, though Respironics are loud as well.

Putting things on both sides of the bed will be quite inconvenient. Does anyone have other ideas? What are labs doing? Would a metal shield work, or putting the pap in a metal box?


My name is tom and I am a sleep testing addict.
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Re: Artifact from CPAP machines

Postby labman2 » Wed Sep 10, 2014 2:58 pm

We have them on same side with no isssues- and they are Resmed machines
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Re: Artifact from CPAP machines

Postby linuxgeek » Wed Sep 10, 2014 3:30 pm

There are issues if you use the heated tubing. We won't use the heated tubing for this reason.
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Re: Artifact from CPAP machines

Postby sleepadmin » Tue Sep 16, 2014 7:17 am

No problems with Alice Respironics. I think the vendor is making excuses for their diagnostic equipment.

What's next... "No no, the mask must be worn in supine positions only!"
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Re: Artifact from CPAP machines

Postby zack » Wed Sep 17, 2014 7:18 am

The heated tubing artifact is an issue I've been working on. I'm told that the wire bundle and the hose going in opposite directions usually solve this. I currently have two Omnilabs and am waiting on a long enough cable to put the PAP on the other side of the bed.

Aside from that, I've never had issues with the PAP being near the other equipment.
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Re: Artifact from CPAP machines

Postby somnonaut » Wed Sep 17, 2014 11:45 am

I once described a CPAP induced EMF noise issue here, but alas...the great Binary search engine is not functioning on previous posts. :shock: :cry:
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