A catheter assembly or catheter attachment for use in treatment of coronary artery disease resulting from atheromatous lesions whereby stenotic lesions can be dilated without interruption to the blood supply distal to the stenotic lesion being treated, the catheter further allowing blood pressure distal...http://www.google.fr/patents/US4413989?utm_source=gb-gplus-shareBrevet US4413989 - Expandable occlusion apparatus
