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(b)(4).The device was not returned for evaluation.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.There is no indication of a product quality issue with respect to manufacture, design or labeling of the device.The 2.5 x 15 xience alpine referenced is filed under a separate medwatch report number.
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