It was reported that the procedure was to treat the heavily calcified, moderately tortuous left anterior descending (lad) coronary artery.The 3.0x12 mm xience prime stent delivery system (sds) failed to cross the lesion as the distal shaft separated during advancement.The proximal portion of the device was simply withdrawn.There were no adverse patient effects and there was no clinically significant delay in the procedure.Another device was used to complete the procedure.Additionally, another 3.0x12 mm xience prime device was returned with a separated shaft but had only been prepped.The device had not been advanced into the patient anatomy.Follow-up with the account was performed.The account stated that the correct device was received.No additional information was provided.
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A visual and dimensional inspection was performed on the returned device.The observed material separation, which was reported as insufficient information, was confirmed.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 was unable to determine a conclusive cause for the reported insufficient information (material separation).There is no indication of a product quality issue with respect to manufacture, design, or labeling.The additional xience prime device referenced in b5 is filed under a separate medwatch report number.
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