DEVELOPMENT OF INTRALUMINAL CERAMIC-RINGED TAPERED GRAFT WITH A NEWLY INVENTED INTRODUCING DOUBLE BALLOON CATHETER

Abstract

The tapered polytetrafluoroethylene (Dacron) graft supported externally with spiral polypropylene string was connected with tubes made of ceramics such as hydroxyapatite, glassy carbon, porous glass and hydroxyapatite coated titanium at both the ends. This graft was introduced with a newly invented catheter having two balloons for aortic back flow stopper and for aoric wall dilator into a dog thoracic aorta without injury to the inner vessel wall and fixed to the aorta with ligation. This graft can prevent rupture of aneurysm in simple surgery without resection of aneurysm and anastomosis.