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 did not indicate a lot specific quality issue.The investigation determined the reported difficulties and subsequent treatments appear to be related to the operational context 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 performed to treat a 70% stenosed and moderately calcified lesion in the superior mesenteric artery.An 8.0x19mm otw omni elite balloon expandable stent system (bess) failed to cross due to resistance with the anatomy.The bess was being removed but resistance with the guide catheter was felt and it was noted that the stent dislodged.The dislodged stent migrated to an unspecified location.A snare was used to retrieve the stent, but then the snare could not be removed through the sheath; therefore, the patient was sent to vascular surgery.The stent and snare were successfully removed via surgery.There was a clinically significant delay.The patient is doing fine.No additional information was provided.
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