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.Based on the information provided, the reported difficulties appear to be related to case circumstances.It is likely that the introducer sheath was located too closed to the stent during deployment causing the stent to partially deploy into the sheath.The stent elongation likely occurred as the introducer sheath was being removed.The tip detachment likely occurred when the tip was pulled into the reduced clearance of the stent partially deployed in the 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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It was reported that the procedure was performed to treat a dissection in a mildly calcified, non-tortuous right superficial femoral artery.The 6.0x150mm supera stent was partially deployed in the 6f sheath and the stent became elongated.The delivery catheter was removed.When the sheath was removed, the stent came with it and got stuck half way out of the anatomy.A cutdown surgery was performed to retrieve the stent.There was no adverse patient sequela reported.No additional information was provided.
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