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Pump Question

Discussion in 'Insulin Pumps' started by blbrocky, Mar 13, 2008.

  1. blbrocky

    blbrocky Approved members

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    When disconnecting from the infusion site to take shower etc. is the pump suppose to hold the insulin in the tubing or do you get air bubbles from disconnecting?

    I just made some changes to my sons pump and noticed a big air bubble in the tubing. I'm sure when we filled the reservoir there were no bubbles.

    Any ideas?

    Thanks, Becky
     
  2. Karen Persov

    Karen Persov Approved members

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    Nov 9, 2006
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    Bubbles

    Some air will get in the tubing whilst disconnected.

    Always prime out any bubbles before reconnecting as they will not only affect delivery but also the site as the insulin oxidises.

    Bubbles are always a problem. Are you filling the reservoir with insulin at room temperature? Do you let it stand a while for bubbles to rise? Always check o-rings to check they are not leaking. If you are certain there were n bubbles beforehand you may have a leaking reservoir, this does happen sometimes.

    Karen
    Mum to Sarah age 11 dxd age 18m and David (non D) age 16
     
  3. blbrocky

    blbrocky Approved members

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    We have always kept the insulin in the frig and have noticed the little champange bubbles when filling the reservoir but I have never noticed big bubbles. So do you return the insulin to the frig after filling the reservoir or do you leave it at room temperature for the 28 days?

    We have always just let the pump run when showering etc. and have not been priming before reconnecting. Is this something we should be doing after every disconnect?
     
  4. Karen Persov

    Karen Persov Approved members

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    bubbles and stuff

    Hi Becky

    Insulin is fine out of the fridge for a month at room temperature, so you can just keep the vial in a cool cupboard. We actually use a penfill rather than a vial as we get less bubbles this way.

    The champagne bubbles are from air mixing and frothing in the insulin, as this settles and temperature rises these tiny bubbles will rise and form bigger bubbles which will then come up the tube..and cause problems. That's why its always best to let the cartridge stand for a while and keep it upright. If you have air around the o-rings, tap them with a spoon to release them, thne let the cartridge stand so all the bubbles rise.

    Filling the cartridge should always be done with room temp insulin that is drawn into very slowly to avoid pulling air in. If oce filled, you have small bubbles you cant get rid of, you can slowly draw in a little air to get a big bubble, and use this to "catch" the little bubbles, then gently push it out.

    As far as disconnecting, we just let them pump run but always check the tube for bubble sbefore reconnecting by priming a few units out.

    Good Luck

    Karen
     
  5. blbrocky

    blbrocky Approved members

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    Thanks Karen.:D
     

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