(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).Evaluation summary:the device was returned for analysis.The guide wire exit notch was torn and the outer member was torn at the guide wire exit notch.The reported stent damage and kinks were able to be confirmed.The tearing of the guide wire exit notch appears to have resulted from an interaction with the guide wire.The failure to advance could not be replicated in a testing environment as it was based on operational circumstances.Based on a visual and dimensional inspection of the returned device, there is no indication of a product quality issue with respect to the design, manufacture or labeling of the device.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.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.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 a procedure of the eccentric, heavily tortuous, heavily calcified, 99% stenosed, proximal circumflex artery after pre-dilatation with a 2.0 x 15 mm tenku balloon dilatation catheter (bdc) the 2.75 x 15 mm xience alpine stent delivery system (sds) was advanced to the lesion but failed to cross.The device was removed from the anatomy without reported issue and it was noted that the shaft was kinked at several locations and the stent struts were found flared.A non-abbott stent was used in the procedure.There was no reported adverse patient effect.There was no reported clinically significant delay in the procedure.No additional information was provided.Return device analysis revealed the guide wire exit notch was torn and the outer member was torn at the guide wire exit notch.
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