(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device is expected to be returned for investigation.It has not yet been received.A follow-up report will be submitted with all additional relevant information.
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It was reported that the procedure was performed to treat a de novo lesion in the moderately tortuous, mildly calcified, 80% stenosed distal portion of a femoral artery.A 7x15mm herculink elite stent delivery system (sds) was advanced without resistance in a 6f introducer sheath.It was noted that the stent dislodged during advancement and remained in the sheath.A buddy wire method was used in the sheath as a snare to remove the dislodged stent.A non-abbott stent was used to successfully complete the procedure.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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Internal file number: (b)(4).Evaluation summary: visual inspection was performed on the returned device.The stent dislodgment was confirmed.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 revealed no other incidents.The investigation was unable to determine a cause or the stent dislodgment.It may be possible that the clearance between the inner diameter of the introducer sheath and the stent implant were reduced during advancement, due to anatomical conditions, which resulted in stent dislodgement; however, this could not be confirmed.The crimp marks noted on the balloon between the markers indicate that the stent was properly crimped in place during in manufacturing.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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