(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: visual and functional inspections were performed on the returned device.The premature deployment was not confirmed as the stent was not returned.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 of the reported lot revealed no other incidents.The investigation determined that the reported difficulties were likely due case circumstances.The difficulty advancing was due to resistance with the anatomy resulting in premature deployment once removed from the patient.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was performed to treat a 60% stenosed, chronic totally occluded, and moderately calcified lesion in the mid left superficial femoral artery.A 6.0x100mm absolute pro vascular self-expanding stent system (sess) was advanced, but met resistance with the anatomy and was removed.During inspection of the device outside the patient, it was noted that about 2 cm of the stent had partially deployed.The procedure was successfully complete with a new absolute sess.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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