The manufacturer became informed that 24 hours after a diagnostic colonoscopy procedure in (b)(6) 2019, a patient experienced pain and was inspected.The doctor at the user facility indicated that the patient was determined to have a perforated rectum and the doctor believed the injury to the patient was caused by over pressure from the endoscopic co2 regulation unit and gas/water valve.The patient was admitted to a different hospital/surgeon and required a exploratory laparotomy.The patient was hospitalized for a few weeks and discharged as the patient also had a pre-existing condition of severe arterial vascular disease in the lower extremities that eventually required amputation of one his legs.The technicians at the user facility performed a functional inspection prior to procedure and there were no anomalies noted.The doctor noticed that there was pressure being lost at the time but wasn't sure what it was, but the doctor later believed it to be pressure being lost from the perforation to the patient.This is for report 1 of 2.
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