(b)(4).The device was not returned for evaluation.The reported patient effect of intimal dissection is listed in the xience v instructions for use, as a known patient effect of coronary stenting.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this event.A conclusive cause for the reported patient effects and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that the 3.0x28 mm xience v stent was implanted in the predilated, mid left anterior descending coronary artery at 12 atmospheres (atm).After the stent was post dilated with the 3.0x12 nc balloon at 16 atm, a distal edge dissection was noted.A 3.0x23 mm xience v stent was implanted to treat the dissection.No additional information was provided.
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