Internal file number - (b)(4).The device was not returned 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 similar incidents from this lot.A conclusive cause for the reported device markings issue cannot be determined.Upon investigation, it was determined that the respective lots were manufactured approximately four days apart on separate manufacturing lines at abbott vascular clonmel which indicates the two units involved in this complaint never came into contact with one another during production or packaging.Additionally, both lots were sold to the account.In this case, it is possible that the placement of the 3.50 x 15 mm xience prime stent delivery system (sds) in the chipboard box for a 3.50 x 12 mm xience prime sds occurred at the hospital; however, this cannot be confirmed.The issue is being addressed per internal operating procedures.Abbott vascular will continue to trend the performance of these devices.
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