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(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.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 similar 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 a 99% stenosed, moderately tortuous, and heavily calcified eccentric lesion in the mid left anterior descending artery.A 1.5 x 20 mm mini trek balloon ruptured during the second inflation at 14 atmospheres.The procedure was successfully completed with an unknown stent.There was no clinically significant delay in the procedure and no adverse patient effects.No additional information was provided.
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