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Medtronic 640g. Bubbles in the tubing

Discussion in 'Type 1 Diabetes' started by shelaughs, Feb 12, 2020.

  1. shelaughs

    shelaughs Type 1 · Newbie

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    I have been using the Medtronic 640g Insulin Pump for five months and I have had a problem with bubbles in the tubing, some are small bubbles but this seems to be getting worse, in the past 12 days I have had at least 6 large ones varying from 9cm to 19cm, The healthcare people don't seem bothered, I would like to know if anyone has had this problem, surely it is not normal, I am continuously checking the tube. I was previously using the Animas Vibe which never caused any problems. Thankyou Sheila
     
  2. porl69

    porl69 Type 1 · Well-Known Member

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    Do you make sure the insulin vial is at room temp before filling the resevoirs? If you are using them straight from the fridge you will get "champaigning" . Just a thought
     
  3. shelaughs

    shelaughs Type 1 · Newbie

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    Hi, I always use room temperature insulin, and when filling the vial, I let it rest for a few minutes to make sure any bubbles rise to the top before filling. I do think that the size of the bubbles seem excessive.
     
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  4. MeiChanski

    MeiChanski Type 1 · Well-Known Member

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    Hello, do you tap while filling the reservoir? Push bubbles out when you see in it the reservoir window? Prime tubing? Like I push insulin out when attaching the reservoir to the mio.
     
  5. shelaughs

    shelaughs Type 1 · Newbie

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    Hi, Yes I do all this very carefully, I am sure there must be something else wrong that causes bubbles so big.
     
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