This report is being supplemented to provide additional information based on 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 eight (8) 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 right/left angulation control knob engaged and cannot be disengaged occurred because the angulation system inside control section corroded due to the bending section cover, plug unit and universal cord had leakage.The event can be detected by handling the device in accordance with the following instructions for use : operation manual_ inspection of the endoscope_ inspection of the bending mechanisms reprocessing manual_ leakage testing of the endoscope_ perform the leakage test if you identify a leak during leakage testing, remove the endoscope from the water with the leakage tester still attached.Contact olympus regarding instructions for reprocessing a leaking endoscope in preparation for returning the endoscope to olympus for repair.Olympus will continue to monitor field performance for this device.
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