The device was returned to olympus for evaluation and the customer's allegations of ¿abnormal image and the instrument channel port was loose¿ were not confirmed.The device evaluation found image guide bundle had significant breakages, watertightness was lost due to the bending section cover had pinhole damage and the adhesive was chipped.Due to wear of angle wire, bending angle in up direction did not meet the standard value.Due to damage, the angulation lever did not move smoothly.And the connecting tube had a scratch.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 5 years since the subject device was manufactured.Based on the results of the investigation, a specific root cause of the suggested event could not be established.Olympus will continue to monitor the field performance of this device.
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