(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Visual inspection was performed on the returned device.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 lot revealed no other incidents.The reported deployment issue and difficulty removing was unable to be confirmed as the stent had already been fully deployed.The tip separation was confirmed.It is likely that the distal sheath was bent or entrapped within in the anatomy such that the ratchet was unable to properly engage the stent causing the partial deployment.The investigation determined the reported difficulties were likely related to circumstances of the procedure.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 to treat a lesion in the popliteal artery.The vessel was pre-dilated with a 5.0 mm drug coated balloon.A 6fx45cm guide sheath was used.During deployment of the 5 x 80 mm supera stent system the stent did not fully deploy, it partially deployed.The device was retracted back into the sheath and resistance was felt with the sheath.The nose cone (tip) broke off inside the sheath when attempting to remove the device.The device, tip, and sheath were removed together as a single unit.The decision was made to discontinue the procedure.There were no adverse patient effects and no clinically significant delay during the procedure.There was no additional information provided.
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