(b)(4).Internal file number - (b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.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 of the reported lot did not indicate a lot specific quality issue.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was to treat an unknown lesion.As the xience xpedition 3.5 x 38 mm stent delivery system (sds) was advanced through the co-pilot into the guide catheter, it felt gritty.Thus, the sds was removed from the catheter and it was observed that some of the distal struts were flared.The sds was never advanced into the body of the patient, only advanced a small length of the guide catheter outside the body.A new stent delivery system was then opened and deployed without issue.There were no reported adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.Based on a photo received from the account, the stent had moved distally on the balloon.
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