The device was returned to olympus for evaluation and the customer's allegations were confirmed.The device evaluation found due to a cut on switch number 1, water tightness was lost, and the connecting tube had a dent.Additionally, the connecting tube had coating peeling off.Due to damage on the channel tube, forceps could not be inserted smoothly.Due to damage on the channel tube, channel cleaning brush could not be inserted smoothly.And the bending tube was damaged due to physical stress.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 8 years since the subject device was manufactured.Based on the results of the investigation, it is possible that the reported leak and component defects found during investigation were due to physical stress after years of usage.However, a definitive root cause of the suggested reported event could not be established.Olympus will continue to monitor the field performance of this device.
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