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 and/or complaints from this lot.The investigation was unable to determine a conclusive cause for the reported difficulty removing the protective sheath; however, the reported balloon rupture, difficulty advancing and removing the device appear to be related to operational context.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 during device preparation, during removal of the protective sheath, resistance was noted.The procedure was to treat a heavily calcified, mildly tortuous lesion in the left anterior descending (lad) artery.During advancement of the 2.5x12mm nc trek balloon dilatation catheter (bdc) resistance was noted with the lesion during advancement.Once at the lesion, the bdc was inflated 1 time to 10 atmospheres (atm) when the balloon ruptured.The bdc was removed with resistance from the anatomy and another size nc trek bdc was used to successfully complete the procedure.There were no adverse patient effects and no clinically significant delay in the procedure.No additional information was provided.
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