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 incidents.Cine images were provided and reviewed by an abbott vascular clinical specialist.The review noted the following: there is an obvious fracture of one of the stents in the images provided.A probable cause cannot be determined from the images provided.The reported patient effect of restenosis is listed in the xact instruction for use as a known adverse event potentially associated with carotid stents and embolic protection systems.Based on the information provided, medical review and cine review, a conclusive cause for the reported stent fracture and subsequent patient effects could not be determined.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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