Method and apparatus for dilatation of a stenotic vessel

Details Method and apparatus for dilatation of a stenotic vessel Method and apparatus for dilatation of a stenotic vessel

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61B 17/22 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2118886

An apparatus and method of operation are disclosed for using an expandable balloon catheter to perform a combination angioplasty and atherectomy procedure on a stenotic blood vessel. The expandable balloon has a plurality of atherotomes attached to its outer surface, and longitudinal, transverse, or rotational oscillatory motion is imparted to the atherotomes to assist in incising the stenotic tissue, prior to or during dilatation of the stenotic segment of the blood vessel.

L'invention porte sur un appareil et une méthode de chirurgie se servant d'un cathéter à ballonnet gonflable pour exécuter une intervention combinée angioplastie et athérectomie sur un vaisseau sanguin sténosé. Le ballonnet gonflable comporte une série d'athérotomes fixés à sa surface externe. Un mouvement oscillatoire longitudinal, transversal ou rotationnel est imprimé aux athérotomes pour aider à inciser le tissu sténosé avant ou pendant la dilatation du segment sténosé du vaisseau sanguin.

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