This supplemental report is being submitted to provide the results of 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 9 years since the subject device was manufactured.Based on the results of the investigation, a definitive root cause for the events plastic distal end cover/probe cover has fallen off and coating of the insertion tube peeled off could not be determined.However, it is likely that the events caused by stress of repeated use, external factors, or handling.There is an inspection method for the suggested event in the instruction manual ¿chapter 3 preparation and inspection 3.2 preparation and inspection of the endoscope".3.2 inspection of the endoscope 5.Inspect the external surface of the entire insertion tube including the bending section and the distal end for dents, bulges, swelling, peeling, scratching, holes, sagging, transformation, bends, adhesion of foreign body, dropout of parts, any protruding objects or other irregularities.Olympus will continue to monitor field performance for this device.
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