Patent ID: 6422988
Filing Date: 2002-07-23
Classification: A61B,A61M,A61N

Abstract:
An apparatus for localized intravascular radiotherapy of a blood vessel, comprising:a catheter comprising an elongate member having a proximal end and a distal end, said elongate member being sized and of sufficient flexibility to be introduced into a patient's body through a lumen of the patient's vascular system until the distal end is disposed at a target area within the blood vessel, said elongate member having an inflation lumen; an expansible member connected to said elongate member at said distal end thereof in fluid communication with said inflation lumen so as to be filled with fluid; and fluid introducer of a fluid having radioactive material uniformly dispersed therein for introducing said fluid with its radioactive material into said inflation lumen with sufficient pressure to expand said expansible member into contact with the wall of said blood vessel.