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(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 catheter: heartrail ii jl 4.0.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 determined the reported difficulty appears to be related to circumstances of the procedure.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 to treat an eccentric lesion in the moderately tortuous, heavily calcified, 90% stenosed mid to distal left anterior descending (lad) coronary artery.A 2.00 x 12 mm nc trek rx balloon dilatation catheter (bdc) was selected for the procedure.The bdc was advanced with no resistance to the lesion and when inflated the second time to 18 atmospheres the balloon ruptured.The bdc was removed with no resistance from the anatomy and was replaced with a 2.25 x 12 mm nc trek bdc to successfully complete the procedure.There was no reported clinically significant delay in the procedure.There was no reported adverse patient sequela.No additional information was provided.
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