(b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.Attachment: user facility medwatch form #14797797086-2018-0004.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 of the reported lot revealed no other incidents.The investigation was unable to determine a conclusive cause for the reported tip detachment.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 chronic total occlusion lesion located in the superficial femoral artery.After stent deployment of the supera 6 x 150 mm peripheral stent, when the delivery system was being removed, the nose cone detached during retraction.A snare was attempted to remove the separated nose cone but was not successful.The patient was taken to surgery to remove the nose cone.It was reported that the vessel was pre-dilated with a balloon.It was confirmed under fluoroscopy that the stent emerged from the sheath and was fully released.No additional information can be provided.User facility medwatch form received on 3/27/2018 with additional information received.Nose cone broke off the stent delivery system inside the patient in the sfa.Distal stent was maldeployed in the proximal superficial femoral artery without anchoring.Right femoral to below the knee bypass with prosthetic graft and removal of retained foreign body.
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