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The repair history of the subject scope was reviewed; the scope was purchased on (b)(6)2012 with no previous repair records.Additionally, the probe unit was found loose and the adhesive on the distal end cover was noted to be peeling.The bending section cover adhesive was cracked, the light guide lens cover glue at the distal end of the scope was peeling, the scope connector was loose and the scope was found leaking at the control body due to a damaged/deformed o-ring.The evaluation confirmed there was excessive play/loose control knobs and the angulations are below specifications.The device was repaired to standard specifications and returned to the customer.The investigation is ongoing; therefore, the root cause of the reported malfunction cannot be determined at this time.However, if additional information becomes available, this report will be supplemented accordingly.
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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.More than 8 years have passed since the subject device was manufactured.Based on the results of the investigation, the forceps cover glue peeling was likely due to aging deterioration or due to an external force (such as strong rubbing against the relevant part during normal use, including reprocessing).The instructions for use include the following which can detect the event: "inspection of the endoscope: 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." per the legal manufacturer, the other device defects included in the initial mdr have no potential to cause or contribute to death or serious injury if the malfunctions were to recur.
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