This report is being supplemented to provide additional information, based on the device evaluation and the legal manufacturer's final investigation.A review of the device history record found no deviations, that could have caused or contributed to the reported issue.It has been over 7 years, since the subject device was manufactured.Based on the results of the investigation, a definitive root cause could not be determined.However, it is likely, that forceps elevator wire was frayed and the wire strands were raised, due to repeated manipulation of forceps elevator.By getting stuck with distal cover, when attaching/detaching the cover or by brushing around the forceps elevator.The event can be detected/prevented, by following the instructions for use, which state: operation manual preparation and inspection: inspection of the instrument channel and forceps elevator.Olympus will continue to monitor field performance for this device.
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