(b)(4).There was no reported device malfunction, and the product was not returned.The reported patient effects ischemia, claudication, and stenosis are known potential patient effects as listed in the supera instructions for use.A review of the lot history record revealed no non-conformances that would have contributed to the reported event.Although 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 manufacturing, design or labeling.
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