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.Based on the results of the investigation, it is likely some external force was added to the distal end, leading to the peeling of the glue at the tip.In addition, about 8 years and 7 months have passed since the device was manufactured and it may have been affected by aging degradation.The instructions for use have the following statement which can detect the event: "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.".
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