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 reported from this lot.The investigation determined the reported difficulties appear to be related to operational circumstances of the procedure.Based on the reported information, it is likely that the anatomical conditions prevented the stent from fully deploying.Manipulation of the device likely caused the stent to migrate.There is no indication of a product quality issue with respect to the design, manufacture.
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