(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device was returned for analysis.Visual, dimensional, and functional inspections were performed on the returned device.The stent damage was confirmed.Additionally, a tear in the outer member and a leak were noted.The failure to advance could not be replicated in a testing environment as it was based on operational circumstances.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 of the reported lot did not indicate a lot specific quality issue.The investigation determine the difficulties to be related to circumstances of the procedure.Based on the information reviewed, 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 during the procedure, the 3.0 x 33 mm xience alpine stent delivery system was advanced to the target site.The stent delivery system was unable to cross to the target lesion due to the patient anatomy and a stent "break" was noted in the balloon area.The device was removed and a second xience alpine was then used.There was no adverse patient effect and no clinically significant delay.No additional information was provided.Return device analysis noted no stent breakage or separation; however, the stent was noted to have flared struts and was stretched.Additionally, a tear was noted in the outer member, proximal to the guide wire exit notch, and a leak was noted.No additional information was provided.
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