It was reported that the procedure was performed to treat a lesion in the moderately calcified, moderately tortuous left circumflex coronary artery.A 2.75x12mm nc trek balloon dilatation catheter (bdc) was advanced for pre-dilatation, but the balloon failed to inflate and was losing pressure.A same sized nc trek bdc was used to successfully complete the procedure.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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The device was returned for analysis.The reported inflation problem and leak were unable to be confirmed.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.As the reported difficulties were unable to be confirmed, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that inadvertent mishandling resulted in the noted stretched and kinked inner member and outer member thereby blocking the inflation/deflation lumen resulting in the reported inflation problem.The reported leak was unable to be confirmed.The noted multiple bends on the hypotube likely occurred due to handling or during packing for return analysis.There is no indication of a product quality issue with respect to manufacture, design or labeling.Na.
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