During a peg placement procedure the tip would not pull through the incision in the patient's stomach wall.The loop with guide wire came through successfully but the tapered tip became lodged and would not pull through.As a result the patient had to be taken to (b)(6) and put under general anesthesia for removal.On investigation the tip had concatenated into the polyurethane of the tube and become buckled.It was their view that the pressure of extraction should not have caused this and the tube could not have been pulled through in that state.
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