(b)(4).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 difficulties appear to be related to circumstances of the procedure.Based on the information reviewed, there is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that a 1.5x6mm mini trek dilatation catheter advanced to the moderately tortuous, proximal left anterior descending (lad), heavily calcified 99% stenosed lesion with resistance due to anatomy.The balloon was inflated to 8 atmospheres and ruptured.The device was replaced with another dilatation device and an unspecified stent was implanted.There were no adverse patient effects and there was no clinically significant delay.There was no additional information provided.
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