(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.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 identified no similar incidents from this lot.The investigation determined that the reported difficulties appear to be related to circumstances of the procedure.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 procedure was to treat the ostium of a left internal mammary artery (lima) graft located in an unknown artery.An unspecified guide wire was advanced and a 2.75 x 38 mm xience sierra stent was implanted.However, when the guide wire was being removed, it became caught with the stent, and the stent became shortened more than 10%.The stent remained in one piece and was still well apposed to the vessel wall, according to the angiography.The guide wire was then removed and there was a failed attempt to re-access the stent; therefore, there was no further treatment.The stent remained in the lesion and did not migrate to healthy tissue.The patient then expired on (b)(6) 2019 due to a stroke.The physician reported that the device did not cause or contribute to the death.No additional information was provided.
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