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/complaints from this lot.The investigation determined the reported difficulties and subsequent treatment appear to be related to the operational context of the procedure.In this case, it was reported that the stent delivery system was advanced through a previously implanted stent.It is likely that the reported stent interacted with the previously implanted stent during advancement, resulting in the reported entrapment of device (stent).Additionally, it is likely that the interaction with the implanted stent resulted in the reported stent dislodgement.The dislodged stent was crushed against the previously implanted stent using a balloon, resulting in the reported malposition of device.There is no indication of a product quality issue with respect to manufacture, design, or labeling.Na.
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