My grandson has had the insulin pump for about a year and a half, recently his sugar has been going high, and his parents have noticed there are tiny bubbles in the tube. They prime and do everything they should. They have called the company who said they were doing everything right. They were changing his site every three days, but have started changing it every two days to see if this would help, but it hasn’t. Do you have any suggestions as what needs to be done? What could be causing the bubbles to be getting in the line? How is it prevented?

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