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Block e1: initial reporter's facility address is (b)(6) specialist centre; reported here as the address exceeded character limit for designated field.Block h6: imdrf device code a0401 captures the reportable investigation finding of guide catheter break.Block h11: an advanix biliary stent was received for analysis.Visual examination of the returned device found the guide catheter was detached, the stent suture hole and push catheter suture hole were torn.Microscopic inspection was performed, and it was found that the stent was damaged.No other damages were noted to the stent and delivery system.The reported event of stent difficult to deploy was confirmed.The returned guide catheter detachment may have been caused by the tortuosity of the procedure, handling of the device, the manipulation or technique used by the physician limited the performance of the device and contributed to the observed problems.Taking all available information into consideration, the investigation concluded that the reported event and observed damages were likely due to factors encountered during the procedure.Therefore, the most probable cause of the reported event is adverse event related to procedure.
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