The device was not returned for analysis.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.As there was no damage noted to the device during the inspection prior to use, it is possible that during advancement the device was bent in the anatomy resulted in preventing the shaft lumens from moving freely resulting in the reported thumbwheel difficulties and the reported difficulty deploying the stent; however this cannot be confirmed.The investigation was unable to determine a conclusive cause for the reported mechanical jam and the reported activation failure.During removal of the compromised device interaction with the sheath resulted in the reported difficult to remove resulting in a delay in procedure and damage to access site.The treatment appears to be related to the operational context of the procedure as a surgical cutdown was performed to treat the damaged access site and prolonged hospitalization for access site healing.There is no indication of a product quality issue with respect to manufacture, design or labeling.D9/h3 - device available for evaluation updated from ¿yes¿ to ¿no¿.
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