The product was not returned to abbott vascular for analysis.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 similar incidents and/or complaints reported from this lot.The investigation was determined the reported failure to advance and stent dislodgement appear to be related to operational circumstances of the procedure.During advancement the device encountered resistance with the lesion causing the failure to advance.Manipulation against resistance likely resulted in the reported stent dislodgment during retraction.Additionally, the treatment appears to be related to the operational context of the procedure as the stent was removed using a snare device.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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