This report is being supplemented to provide additional information based on the legal manufacturer's final investigation and device evaluation.A review of device history record and historical complaints analysis was conducted and no deviations that could have caused or contributed to the reported issue were identified.Based on the results of the investigation, a definitive root cause of the reported insertion tube coating peeling issue could not be determined, however, the issue was likely due to physical stress such as rubbing or bumping, chemical stress due to reprocessing not in accordance with the ifu and or stress due to poor storage environment (direct sunlight, high temperature, high humidity, x-rays, ultraviolet rays, etc.).The event can be detected by following the instructions for use (ifu) which states: 3.3 inspection of the endoscope 3 inspect the external surface of the entire insertion section, including the bending section and the distal end for dents, bulges, swelling, scratches, peeling of coating, 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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