(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.Visual, dimensional and functional inspections were performed on the returned device.The reported separation was confirmed.The reported difficulty to position the device over the guide wire was not 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 shaft separation appears to be related to circumstances of the procedure; however, a conclusive cause for the reported difficulty positioning the guiding catheter could not be determined.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 the procedure was to treat an unknown lesion.A 2.5 x 15 mm nc trek balloon dilatation catheter was being advanced over an unknown guide wire; however, prior to entering the patient anatomy, resistance was felt with the guide wire and it was then noticed that the hypotube had separated in the guiding catheter.The separated portion was removed without issue and without requiring intervention.The procedure was successfully completed with another nc trek device.There was no reported resistance during removal of the protective sheath and the device was prepped according to the instructions for use.There was no clinically significant delay in the procedure and no adverse patient effects.No additional information was provided.
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