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[IPp] Re: Cracks in Tubing/Quicksets

Hi Jan,

My 3-yo daughter Sigrid has worn a Cozmo for almost 2 years now, and we 
have only used the MiniMed Quicksets.  Bubbles in the line have been 
rare for us; no idea whether this is dumb luck or whether we're 
actually doing something right.  Sigrid has always worn her pump 
horizontally in a belt pouch at her waist (waist size currently about 
19 inches) - we have had some pouches I made (with a velcro'd flap top, 
rather like a bike messenger bag) and some that we bought from 
www.pump-pouch.com (with a zipper closure at the top).  Both types of 
pouches allow for the stem to stick straight out one corner at the top 
of the pouch without getting bent.  I have always assumed that the luer 
lock connection (or  the little plastic stem right at the base of the 
tubing, just above the luer lock) is probably the weak point of the 
system, so we try not to bend the tubing there - we always put the pump 
into the pouch with the stem side at the top edge.  There is always 
excess tubing but rather than wrap it around the pump, we just tuck it 
into her pants.

Good luck solving this mystery - do let us know how you fix it!

- Maria O.

On Jan 5, 2005, at 11:38 AM, pop-digest wrote:

> Date: Tue, 4 Jan 2005 22:53:01 -0600
> From: Jan <email @ redacted>
> Subject: [IPp] Cracks in Tubing/Quicksets
> Hello all and Happy New Year!
> I am having a problem and am hoping somebody here has a suggestion.
> Maddie has only used the MiniMed Quicksets with her Deltec Cozmo pump
> since her pump start in May.  ...  We have always had bubbles in
> the tube, but I assumed it was because of operator error (I'm the
> operator).  However, the last couple of boxes of Quicksets have
> developed large areas of air - even after priming it a couple times in
> the same day.  I finally discovered that the cloudiness in the tubing
> right at the Leur lock was actually small cracks and eventually they
> have even cracked to the point of being able to feel the crack with my
> nail. ... I think the
> problem is that Maddie likes to wear her pump close to her and pretty
> tight against her in a horizontal pouch.  I think the tubing is
> getting bent there, causing the cracks.
> ...
> So...is anyone else having a problem with air in your Quickset tubing?
>  If so, what kind of pump do you use?  Anybody noticed cracks or
> cloudiness in the tubing?  Does anyone have any suggestions for me?
> Are all infusion sets made the same way as far as the tubing and leur
> lock being so exposed to getting bent?
> - --
> Jan, Mom to Maddie, age 7, dx'd T1D 4/16/03, pumping Cozmo 5/7/04 and
> doing fabulous!
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