It was reported that the procedure was to treat a diffused, moderately calcified, moderately tortuous lesion in the distal left anterior descending (lad) coronary artery.The 2.5x12 mm nc trek balloon dilatation catheter (bdc) could not be advanced to the lesion and there was resistance with the anatomy during removal of the device.Another device was used to continue the procedure.There were no adverse patient effects and there was no reported clinically significant delay in the procedure.No additional information was provided.
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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 the reported difficulties appear to be related to circumstances of the procedure as it is likely the device interacted with the diffused, moderately calcified, moderately tortuous lesion causing the reported failure to advance.During removal resistance was once again felt due to the difficult anatomy causing the reported difficulty to remove.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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