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Re: [IPk] pump interferences - air travel

>That's a very old issue! It was solved at least 10 years ago, if I
>recall rightly (Ian Grant, you probably know for sure).

Sorry Melissa - you've lost me. I'm specifically talking about my 
MiniMed 507 pump, which is mechanically almost identical to the 508. 
This may also happen to Paradigm pumps, Disetronic and Animas pumps - 
I don't know: I've not played with other pumps in detail.

The tip of my cannula - where the insulin comes out and into my fat - 
is at air pressure. It may be under my skin, but that doesn't matter. 
Follow the tube back up, and it goes into a reservoir. With all the 
filling expertise in the world, I still find bubbles collecting in 
the reservoir. If you reduce the air pressure (climb a mountain, 
change of weather conditions, or ascend in a plane) those bubbles 
will expand, and insulin gets sucked out and into my body. How do 
pump vents and things stop that?

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