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The device was returned to olympus for evaluation, and the evaluation found that the image guide bundle had a stain; due to damage on the objective lens, a foggy image occurred, and the connecting tube coating was peeling.(1mm2 or more), the adhesive on the bending section cover had a chip.Due to a dent in the channel tube, forceps could not be inserted smoothly, and the connecting tube had a dent.The investigation is ongoing.A supplemental report will be submitted upon completion of the investigation or if the user facility provides any additional information.
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This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.A review of the device history record and historical complaints analysis was conducted and no deviations that could have caused or contributed to the reported issue was identified.Based on the results of the investigation a definitive root cause could not be determined.However is likely that coating on the insertion tube was peeled off due to stress of repeated use, external factors, or handling of the device.The event can be prevented by following the instructions for use which state: 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 off coating, holes, sagging, transformations, 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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