(b)(4).The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation was unable to determine a conclusive cause for the reported difficulties.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture or labeling of the device.
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It was reported that the patient underwent a procedure to treat a lesion in the proximal popliteal artery.Pre-dilatation was performed using a 4.0 x 100 mm dilatation catheter.The supera stent delivery system was advanced to the target lesion and the stent was deployed; however, the stent jumped forward, so that it was partially deployed in the target lesion.There was no difficulty noted during deployment of the stent.A second supera stent was then deployed at the proximal portion of the lesion.There was no clinically significant delay and no adverse patient sequelae.No additional information was provided.
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