bambee3
Well-Known Member
- Messages
- 46
- Location
- Qld Australia
- Type of diabetes
- Type 1
- Treatment type
- Pump
- Dislikes
- Avocado, Olives, Prunes,
hi has anyone had the experience of cannulas sealing themselves off or the body doing it? Since Thursday last week I have had my cannulas sealing off after a couple of hours. I am on the new Medtronic 640g with silhouette soft cannulas or I have also been trying the Minimed Mio 30 (these are the ones that have been sealing off) I have been inserting at the correct angle (with the delivery system of the Minimed) but less than three hours later its sealed off. I have used 7 over the course of the weekend and ended up with an average of 27 mmol and used nearly 400ius of insulin to try and get myself back on an even keel. I have went back to the silhouette soft cannula and have not sealed off (yet). I am calling Medtronic later today to report it, I was wondering if any other pump users had experienced this as well. I am understandably a bit tired and grumpy after a weekend of fighting high sugars that wasn't my own doing.
Any advise greatly received. Take care everyone.
I shall be trying this.I have had problems with insulin "tunnelling" using various types of soft teflon sets - most of the time I find that I can get around the problem by giving my bolus doses (well certainly anything more than 5 units) as extended 15 min boluses (15 mins is the minimum extended bolus dose time on my Accu-Check pump). Giving the dose slowly gives it more time to soak in without leakage - giving it all in one shot, especially if it's a large dose builds more pressure and therefore it's more likely to leak out down the sides of the needle / cannula.
My control has improved since I started giving all my bolus doses over 15 mins instead of in one shot.
Dave.
I deliver my insulin by my pump over 30mins split into 2 doses as the pump allows for this it makes the likelihood of leakage smaller, but going forward I will maybe put the dose in over a longer period to allow for better absorbtionI have had problems with insulin "tunnelling" using various types of soft teflon sets - most of the time I find that I can get around the problem by giving my bolus doses (well certainly anything more than 5 units) as extended 15 min boluses (15 mins is the minimum extended bolus dose time on my Accu-Check pump). Giving the dose slowly gives it more time to soak in without leakage - giving it all in one shot, especially if it's a large dose builds more pressure and therefore it's more likely to leak out down the sides of the needle / cannula.
My control has improved since I started giving all my bolus doses over 15 mins instead of in one shot.
Dave.
Hi I've been experiencing a similar problem with the Minimed Mio.
I've noticed literally in the last month or so that my cannula seems to seal off after only a couple of hours after changing it, suggesting that it is blocked even though there are absolutely no bubbles when I attach the insulin to the tubing, not even champagne bubbles. I thought it was just something I was doing wrong as I've only been on pump for just under 2 years but it seems to be every time I do it now. Luckily I've worked out how to sort it out without having to change the set each time otherwise I'd always run out but it is extremely annoying to say the least.
I'm wondering if there has been a bad batch of infusion sets.
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