The caller reported that on (b)(6) 2018 the patient experienced a chemical burn from the lithium battery inside her infusion device.The reporter stated that the patient had her infusion device inside a sock which was positioned inside her bra.The patient began to feel a painful sensation in the area where the device was being stored.The patient discovered a burn which was roughly 0.5 inches - 2 inches in diameter on her skin.The patient noticed when changing the battery that there was a 'white substance' on the inside of the battery chamber and on the battery.Patient reported after noticing that the burn was beginning to turn yellow in color she started to take a course of antibiotics that she happened to have with her on vacation "just in case".The patient began to experience elevated blood glucose levels and attributes this to the antibiotics.It was reported that the burn was getting progressively worse.On (b)(6) 2019 the patient went to the hospital.The hospital cleaned the burn and applied a mesh dressing.The patient was advised to return to hospital in 2 days for follow up.The patient returned to the hospital on (b)(6) 2019 and it was discovered that the burn had gotten progressively worse and was now black and yellow.The hospital referred the patient to a burn unit of a different hospital.On (b)(6) 2019 the patient attended the burn unit of the 2nd hospital and the doctor's confirmed the burn was caused by a chemical.Patient advised that chemical burns typically will gradually get worse over time, which correlates to the patient's symptoms.The doctor's at the burn unit dressed the wound and advised the patient of aftercare procedure.The patient has a follow up appointment on (b)(6) 2019.At her follow up appointment on (b)(6) 2019 the doctor's will remove the top layer of black skin, after the burn has been given some time to heal naturally.The infusion device was requested to be returned for product evaluation.
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