Okay, I'm brand new to pumping, and I think that may be part of the issue, but in my first box of 10 resevoirs, I had two that were faulty.

I could fill them from the vial, no problem, but then, when I attached them to the new infusion set, the plunger wouldn't go down, and (for the first one) when I attached it to the pump I got a "no delivery" error. I didn't try for the second one. To make sure it was the pump and not the set, I attached the tubing I'd just taken off, and it had the same plunger issue.

So, I have a few questions.

First: is it just me? I mean, I know that I'm brand new to pumping, have just changed my set for the seventh time, haven't even gone through my first box of resevoirs, so it could just be my inexperience.

Second: is this a common problem? Is it unusual to have issues 2/9 reservoirs (I haven't opened the last one or I'd say 1/5)? Because if this is a common problem, it's going to get old, fast.

Third: What do I do with the faulty reservoirs? Call customer support? Call the sales rep?

I'm using a Medtronic 523, with medtronic resevoirs (and quick-sets, but they haven't had a problem, yet).

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Thanks--these are the kinds of questions that I didn't know I needed to ask when I had the pump trainer in front of me (she laughed at me when I said that). I'm just glad I have you guys instead of having to be on the phone when I have family over and I want to be playing with the nieces and nephews.

I pumped with Medtronic for over 8 years and had very few reservoir problems. I did find that if I tried to fill the reservoir to its absolute max that I would sometimes have a hard time with it priming properly once it was inserted into the pump. So I always made sure that the bottom of the black plunger piece was just inside the max line.

Based on my insulin use, I was able to use each reservoir with the attached tubing for about a week. I would change the site piece every 3 days.

I read somewhere that the Medtronic reservoirs changed recently. The last time I ordered their reservoirs was mid-summer and they were the same that I had always used.

I have had this happen also, I would call medtronic and let them know. Make sure you have your info from the carton that you have had a concern with as they may want numbers off the box, etc. What I have done in the past because it appears there is great pressure and makes it almost impossible to push the plunger so I unscrew the plunger from the reservoir and then re-attach hold over sink or something as insulin will come out and push again and this usually remedies the situation.

This happens every 70 or so reservoirs w/the 180 size the top on the syringe. The top sometimes gets pulled up from the reservoir. The tolerance in the tube connector is pretty tight so the needle may not pass through the seal and will not let insulin into the tube. Sometimes you can push he top down on the reservoir and it will be enough to let the needle on the tube pass through. If this does not work, I have transferred insulin from one reservoir to another, or just tossed it out. Minimed will replace it if you call.

I've been pumping for 16 yrs and on Minimed for 8 yrs.

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