(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Evaluation summary: visual and dimensional inspections were performed on the returned device.The failure to advance could not be replicated in a testing environment as they are based on operational circumstances.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 difficulty appears to be related to circumstances of the procedure.There is no indication of a product quality issue with respects to the design, manufacture, or labeling of the device.The nc traveler device is currently not commercially available in the us; however, it is similar to a device sold in the us.
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It was reported that the procedure was to treat a moderately tortuous, eccentric and moderately calcified mid right coronary artery.A 4.5 x 8.0 mm nc traveler balloon dilatation catheter was used; however, it did not cross the lesion due to the anatomy.The device was then replaced with a non-abbott balloon dilatation catheter to successfully complete the procedure.There was no clinically significant delay in the procedure and no adverse patient effects.No additional information was provided.Returned device analysis revealed that there was balloon material shredding on the entire length of the nc traveler balloon.
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