The gastroscope and the detached piece of plastic were returned to the manufacturer service center for evaluation.It was determined that a raised ridge from the transition ring at the end of the gastroscope's biopsy channel caught and sheared off a piece of plastic sheathing from the forceps during channel passage, which subsequently moved from the channel to the patient during the procedure.No information regarding the forceps used was provided after repeated contacts with the report source.The raised ridge on the transition ring was found to be caused by improper installation of the transition ring during a repair which took place (b)(6) 2017.Review of complaint records show no other occurences of a similar sequence of events.Device repair included repair of the biopsy channel transition ring, replacement of the ccd camera assembly, and replacement of the bending sheath on the distal tip.
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It was reported that during a gastroscopy case, the physician experienced resistance in the biopsy channel when passing a forcep; after the forcep passed through the device, a piece of plastic was discovered inside the patient.According to the report, the physician was able to retrieve the plastic piece during the procedure and no further intervention was required.
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