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Re: [IP] filling cartridges

My son has been using the 2020 for a few months now, previously on the 
1250 and previous to that Disetronic pumps.

We rarely change his cartridge at the same time as site change, and if 
we do, it's a coincidence that they both needed changed on the same day 
at the same time.

One of the things I love about the Animas pump is the cartridges. I 
would have to work at it to get air bubbles in there *after* a cartridge 
change. Even the filling of the cartridge results in very few bubbles 
and they are removed so easily. When my son was on the Disetronic pumps 
there always seemed to be air bubbles forming in the cartridge and/or 

I've heard other say using room temp insulin makes a difference, but I 
always take the insulin right out of the fridge and fill the cartridge 
and put it right in the pump and we've never had an issue with air bubbles.

I don't know why some reps and or educators train people to change 
everything at once. As expensive as supplies are, it's a bit of a waste.

Mom to Tarek, 15 y.o., dx Type 1 11/98, Animas 2020, Novolog, FreeStyle Flash

email @ redacted wrote:
> I have been on the Animas 2020 for three weeks-it seems best to change the  
> infusion set and cartridge at the same time, but it is hard to calculate 
>  exactly how much insulin to put into the cartridge to make it last exactly
> three
> days-which is the recommended length of time to change the site I use about  
 > 26-32 units a day, and my educator had me fill to about 100 units, and I fill
> bit more to allow for priming, etc..l was wondering if anyone could tell me 
 > if they run into more problems changing the site and cartridge at different
 > times. It seems like I have more potential for air bubbles, etc. if I have to
 > mess with the cartridge to change the site, but not actually fill and change
 > to a new cartridge. Also-do you find that the insulin is any less potent at
> the end of the three days?  
> I don't know if I am the only one with issues of changing sites and  
> cartridges, so any feedback would be great!
> Thanks
> Karen
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