(b)(4).The product was not returned for analysis.The lot history record for this product could not be reviewed and a similar incident query could not be performed because the lot number was not reported.The investigation was unable to determine a cause for the reported difficulties and subsequent patient effect.Vessel dissection is listed in the xact instruction for use as an adverse event potentially associated with carotid stents and embolic protection systems.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
|
It was reported that after successful deployment of the xact stent, the stent system could not be removed from the anatomy.A shuttle sheath was advanced over the device, and the devices were able to be retracted together.During the attempts to remove the device, a dissection was noted under the stent.No treatment was performed.There was no clinically significant delay in the procedure and no adverse patient sequela.No additional information was provided.
|