(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: visual and functional inspections were performed on the returned device.The reported winged balloon and difficulty removing the device from the guiding catheter were confirmed.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 difficulties 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 a coronary procedure, post dilatation was performed using the nc trek, with two inflations, first to 12 atmospheres (atm) and the second time to 16 atm.The device was pulled back to remove; however, resistance was noted with the guide catheter and the nc trek balloon was noted to be winged.The balloon was inflated two more times, in an attempt to get a better fold for removal; however, the dilatation catheter could not be removed.The nc trek and guide catheter were removed as a single unit.There was no reported adverse patient effect or a clinically significant delay.No additional information provided.
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