The Unetix PPG sensors have the spring-clips, indeed very handy. I've never understood the idea of strapping the sensor around the digit, which would mash down on the subcutaneous bed. I don't know for sure that it would interfere with a proper reading, but double-stick tape seems better: no pressure between sensor and skin. I'd be interested to see what anyone else thinks about strapping down with the velcro, pro or con.
The spring-clips exert very little pressure.
From: UVM Flownet on behalf of Smith, Matthew G.
Sent: Mon 1/5/2009 7:06 AM
To: [log in to unmask]
Subject: Re: Unetixs PVR System(s)
I could be wrong, but doesn't the Nicolet system come with these great plastic toe clips for the PPG sensors (kind of like a clothes pin)? They really save time. I've mentioned to Parks reps in the past that they should have the same thing, but they've always been dismissive of that idea. I've never once used the six inch Velcro strip they include (which won't even go on most toes if there's a cuff on. Taping the sensors on toes takes extra time and is tough with gloves on sometimes. Maybe Parks will wake up and improve that one day (probably not, the response I got is that few people take toe pressures anymore)...
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