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Manufacturing review: review of manufacturing records was not performed, as no additional complaint has been reported for this lot.This lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.Investigation summary: based on the investigation of the returned delivery system it could be confirmed that stent deployment using the trigger was impossible.The force transmitting interface between grip and catheter was found broken which led to detachment and subsequent deployment failure using the trigger.Therefore, the investigation will be closed as confirmed for broken component and subsequent failure of the trigger mechanism.An indication for a manufacturing related issue could not be found.Based on the information available a definite root cause for the reported event could not be determined.Labeling review: in reviewing the relevant labeling for this product, it was found that the instructions for use (ifu) sufficiently address the potential risks.Regarding potential damages the ifu states: 'visually inspect the bard e luminexx biliary stent to verify that the device has not been damaged due to shipping or improper storage.Do not use damaged equipment.', and 'should unusual resistance be felt at any time during the procedure, the entire system (introducer sheath or guiding catheter and stent delivery system) should be removed as a single unit.'.
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