The device was returned for investigation.Upon evaluation of the device, a bending section breakage and a perforation of the bending section cover were identified.A tape was wrapped around the rubber of the distal end to seal the known leak in order to perform a proper leak test and afterwards, no additional leaks were discovered.Lastly, the angulation was out of specification.The investigation is ongoing; therefore, the root cause of the reported event cannot be determined at this time, however, if additional information becomes available, this report will be supplemented accordingly.
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Correction: initial reporter should not have been included on the initial report.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, the root cause of the event was unable to be identified; however, it is likely that the user applied excessive force to the bending section, causing the bending tube to break.The event can be detected/prevented by following the instructions for use which state the following: 1) "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.2) "do not insert the insertion tube with excessive force into the ureter or calix.The bending section may be damaged." olympus will continue to monitor field performance for this device.
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