(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation determined the reported failure to cross, kink and shaft separation appear to be related to circumstances of the procedure.Based on the information reviewed, 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 a nc trek dilatation catheter was unable to cross a heavily tortuous, diagonal saphenous vein graft (svg), moderately calcified lesion for post dilatation.During advancement, the hypotube kinked.During device removal, the hypotube, outside the patients anatomy separated.Another nc trek was used in replacement.There were no adverse patient effects and there was no clinically significant delay.There was no additional information provided.
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