This problem occurred 5 times, with 5 separate devices all from the same product lot number.Tissue was bruised when the device (insulin pump infusion set) injected under skin.There was no immediate visible bleeding into the cannula or tubing, but injection did hurt more than normal.Over the course of 2-12 hours after injecting the new infusion set, bleeding would occur under the skin and a swollen painful bump would grow in the subcutaneous tissue.The insulin mixed with the blood under the skin and was thus diluted and did not work properly.Within a few hours, my blood sugar would rise to 300-350.Since this occurred with 5 different sets that i used, my blood sugars were very elevated for a whole week, and i developed ketones in the blood and urine and got sick.
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