Exemption number (b)(4).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.Based on the information provided, the reported difficulties appear to be due to operational circumstances of the procedure.The stent migration was the result of interaction with 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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It was reported that on (b)(6) 2019, the patient underwent a peripheral procedure, with implantation of a 6.5 x 40 mm supera stent in the right common femoral artery.On (b)(6) 2019, the patient underwent a coronary angiography, for percutaneous coronary intervention.A 4 french (fr) system was used for the coronary angiography; however, the sheath was replaced with a 6fr sheath and inserted, without the physician checking placement on imaging.The 6fr sheath interacted with the implanted supera stent, pushing the stent from the right common femoral artery into the external iliac artery.There were no issues noted with blood flow; therefore, no additional intervention was performed.No additional information was provided.
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