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 5 years since the subject device was manufactured.Based on the results of the investigation, of the reported issue cover glue peeling and probe flabby concludes that the adhesive on the distal end is peeled, and probe unit is flabby.Neither root cause could be identified and the reported issue is not caused by manufacturing we, therefore, cannot rule out the possibility that external force was applied to the relevant part.This event can be detected by following the instructions for use which states: "inspect the external surface of the entire insertion section including the bending section and the distal end for dents, bulges, swelling, scratches, holes, sagging, transformation, bends, adhesion of foreign bodies, missing parts, protruding objects, or other irregularities.Olympus will continue to monitor field performance for this device.
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