It was reported that the procedure was to treat a non-calcified lesion in the non-tortuous proximal left anterior descending (lad) coronary artery.Multiple balloon dilatations were performed in the lesion.An attempt to cross the lesion was made with a 2.75x15mm rx xience alpine stent delivery system (sds), but this device failed to cross the lesion due to interaction with another device.Thrombus was noted in the lesion.There were no other device issues, no reported adverse patient sequelae, and no occurrence of a clinically significant delay.The lesion was ultimately treated via balloon angioplasty.No additional information was provided.
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Internal file number - (b)(4).Evaluation summary: the device was returned for analysis.The reported difficult to position was unable to 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 identified no other incidents from this lot.The investigation determined the reported difficulties appear to be related to circumstances of the procedure.A conclusive cause for the reported patient effect, and the relationship to the product, if any, cannot be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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