(b)(4).Internal file number - (b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.The product was not returned to abbott vascular 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 of the reported lot revealed no other similar incidents reported for this lot.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.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 the procedure was to treat a lesion with heavy tortuosity in the superficial femoral artery (sfa).The 6.0 x 150 mm supera was advanced without resistance to the target lesion and the stent was deployed successfully.During withdrawal of the device under fluoroscopy, the thumbwheel was retracted; however, there was residual stenosis inside the stent which caused the nose cone to get stuck and separate.A snare device was used to retrieve the nosecone successfully and the procedure was completed.No additional information was provided.
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