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Establishment name: (b)(6) this report is being sent to provide information based on the legal manufacturer's final investigation and device evaluation.The device was returned to olympus for inspection, and the customer's complaint "distal end leaky¿ was confirmed.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 13 years since the subject device was manufactured.Based on the results of the investigation, a definitive root cause could not be conclusively identified.However, based on the phenomenon and information obtained, we presume that the defect was caused by stress of repeated use, external factors, or handling.The event can be prevented by following the instructions for use which state: 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.In addition, the following non-reportable malfunctions were found during the device evaluation: broken fiber, image guide bundle has significant breakages, due to a pinhole on bending section, water tightness is lost, adhesive on bending section has a chip, due to wear of angle wire, bending angle in up direction does not meet specifications, due to damage on channel-tube, forceps and channel cleaning brush cannot be inserted smoothly, objective lens has discoloration, bending and connecting tube have a dent, and several scratches found throughout the device.Olympus will continue to monitor field performance for this device.
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