Visual and functional analysis was performed on the returned device.The reported difficulties were unable to be confirmed as the stent was already fully deployed.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 revealed no other complaints.The investigation was unable to determine cause for the reported difficulties.It may be possible that the distal shaft was bent or restricted in the anatomy preventing the shaft lumens from moving freely and causing the resistance with the thumbwheel; however, this could not be confirmed.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 via antegrade approach in the left common femoral artery, to treat a lesion in the mid to distal superficial femoral artery (sfa).Laser atherectomy was performed.The absolute pro vascular stent delivery system was advanced and deployment was initiated.It was noted that the thumbwheel appeared stuck.The system was locked and unlocked twice, then the handle was jiggled.The thumbwheel was able to turn; however, resistance was noted.The physician was able to turn the thumbwheel with difficulty and the stent was able to be fully deployed at the target lesion.There was no adverse patient effect or clinically significant delay.No additional information was provided.
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