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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.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 similar incidents from this lot.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.The investigation was unable to determine a conclusive cause for the reported difficulties.
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It was reported that the procedure was to treat a lesion located in the popliteal artery that was moderately calcified.Atherectomy and pre-dilatation was performed to prepare the lesion for stenting.The 5.0 x 100 mm supera stent implant was deployed without issue; however, the stent implant jumped forward in the vessel and was partially in healthy tissue.The proximal part of the target lesion was left untreated; therefore, a second supera stent was deployed successfully for treatment of the remaining lesion.No adverse patient effects or clinically significant delay in the procedure were reported.No additional information was provided.
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