The device was not returned for analysis.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 indication of a lot specific product quality issue.Based on the information provided, the reported difficulties appear to be due to operational context.It is likely that the patient¿s anatomical condition(s), as well as the condition of the guidewire being used (kinks/bends), caused the difficulty and catheter damage (stretching) while attempting to remove the catheter; however, this could not be confirmed.The reported imaging issue could be due to the catheter¿s optical fiber being damaged during insertion/use or post-use handling; however, this could also not be confirmed.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that the procedure was to treat a lesion in the mid left anterior descending artery (lad) with mild calcification and normal tortuosity.The physician performed the optical coherence tomography (oct) run and positioned the dragonfly optis imaging catheter, however there was no image.The physician had to pull back on the second run but there was resistance when retracting the oct catheter.It was then noted that the distal tip, (the first marker all the way to the third marker) was elongated after it got snagged.There was no adverse patient effect.There was no clinically significant delay in the procedure.No additional information was provided.
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