The device was returned for analysis.The reported inflation problem was able 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 there was no damage noted to the device during the inspection prior to use, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that during advancement interaction with other devices and/or inadvertent mishandling resulted in the noted longitudinal tear on the outer member; thus resulting in the reported inflation problem/noted leak.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that the procedure was to treat a lesion in the diagonal coronary artery with moderate tortuosity and moderate calcification.The nc trek balloon crossed the lesion; however, during an attempt to inflate the balloon, the pressure did not increase.The balloon catheter was removed without issue.A non-abbott balloon was then used for dilatation.There were no adverse patient effects and no clinically significant delay in the procedure.Return device analysis identified fluid coming from a longitudinal tear on the outer member at the location of the outer member to hypotube seal.No additional information was provided.
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