(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The customer reported the device was discarded.Investigation is not yet complete.A follow-up report will be submitted with all additional relevant information.The graftmaster device referenced is being filed under a separate medwatch report.
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It was reported that the procedure was performed to treat an 80% stenosed, mildly tortuous and mildly calcified lesion in the left circumflex coronary artery.A 2.5x12mm nc trek balloon dilatation catheter was used without reported issue to performed pre-dilatation; however, a lesion rupture [perforation] was found after pre-dilatation was performed.A 2.8x19mm graftmaster coronary stent graft system was then advanced but could not cross due to the anatomy.A non-abbott coronary stent graft system was then used to treat the perforation.There was no adverse patient sequela.No additional information was provided.
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Internal file number - (b)(4).The device was not returned for evaluation.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.The reported patient effect of perforation is listed in the coronary dilatation catheters, nc trek rx, global, instruction for use as known patient effects.A conclusive cause for the reported patient effect and the relationship to the product, if any, cannot be determined.Additionally, the additional treatment appears to be related to operational context 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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