It was reported that the procedure was performed to treat a 75% stenosed and de novo lesion in the right superficial femoral artery (sfa).A 5x120mm supera stent was deployed in the distal sfa.A 6x120mm supera self-expanding stent system (sess) was being deployed by overlapping the first stent; however, due to the puncture being an ipsilateral antegrade, the sheath kinked at the puncture site, and the operability of the sess was reduced.An attempt to recover operability was made, but the stent became elongated and moved.The distal end of the stent moved 2cm away from the proximal end of the first stent; therefore, the overlapping zone disappeared.The proximal end of the stent deployed in the introducer sheath, so the stent was removed with the sess under fluoroscopy.The procedure was successfully completed with a new 6x120mm supera sess.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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Exemption number e2019001-permits numbering sequence to begin with 10000, to avoid duplication of report numbers due to process transition.There may be gaps in numbering for reports submitted during the transition period.The device was not returned for evaluation.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 similar incidents and/or complaints from this lot.The investigation determined that the reported difficulties were likely due to case related circumstances.It is likely that the sheath kinked/deformed at the puncture site reduced the operability of the sess causing the stent to stretch and migrate resulting overlapping zone disappeared and proximal end of the stent deployed in the introducer sheath.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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