Autoperfusion dilatation catheter

Details Autoperfusion dilatation catheter Autoperfusion dilatation catheter

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2131376

An autoperfusion dilatation balloon catheter useful in angioplasty comprises a catheter shaft (1) and, mounted on said shaft (1), an inflatable non-elastomeric balloon (2) having proximal and distal ends disposed along the length of said catheter shaft (1), said balloon (2) when inflated having an outer surface relief-structure whereby when said balloon (2) is fully inflated and exerts pressure on the inner surface of a blood vessel (4) in which blood is flowing, blood continues flowing between said outer surface of said balloon (2) and said inner surface of said blood vessel (4).

L'invention porte sur un cathéter à ballonnet pour dilatation et autoperfusion utile pour l'angioplastie. Le cathéter comporte un tube à cathéter (1) et, monté sur ce dernier, un ballonnet gonflable non élastomérique (2), présentant des extrémités proximale et distale, disposé le long du tube (1) en question. Une fois gonflé, le ballonnet (2) présente une surface externe en relief grâce à laquelle le sang peut continuer de circuler entre la surface externe susmentionnée du ballonnet (2) et la surface interne du vaisseau sanguin (4) lorsque le ballonnet est complètement gonflé et qu'il exerce une pression sur la surface interne d'un vaisseau sanguin (4) dans lequel le sang circule.

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