(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Concomitant medical products: guide wire: sion blue, guide cath: mach1 6f fl4.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.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation was unable to determine a conclusive cause for the reported complaints.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.
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It was reported that the procedure was performed to treat an eccentric lesion in the proximal left anterior descending coronary artery with no tortuosity, mild calcification and 99% stenosis.Following an intravascular ultrasound device successfully crossing the lesion, a 2.00 x 15 mm mini trek rx balloon dilatation catheter (bdc) was advanced; however, could not cross the lesion.On removal of the bdc, the tip was noted to be collapsed and split finely [torn].There was no reported separation.It was not known if the failure to cross was as a result of the anatomy or as a result of the tip damage.The procedure was successfully continued with a non-abbott bdc.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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