It was reported that the procedure was performed to treat a lesion in the mildly tortuous, non-calcified, 70% stenosed, mid left anterior descending (lad) coronary artery.A 4.50 x 12 mm nc trek rx balloon dilatation catheter (bdc) was advanced to the lesion and inflated with no issues noted.Upon deflation of the balloon it was observed that the balloon had not rewrapped properly and the bdc could not be bulled back into the guiding catheter.Therefore, everything (bdc, guiding catheter, and 7fr sheath) were removed from the anatomy as one unit.A new unspecified 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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(b)(4).Visual and functional inspections were performed on the returned device.The reported folded (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 of the reported lot did not indicate a lot specific quality issue.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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