Patent ID: 6283911
Filing Date: 2001-09-04
Classification: A61N

Abstract:
A device for delivering radiation to at least one preselected site in a vascular system of a patient, comprising:an elongated flexible catheter tube of a diameter for insertion into the patient's vascular system;a flexible guide wire within said catheter tube and movable along its length, said guide wire including a proximal end to be located externally of the patient's vascular system for moving the guide wire within the catheter tube, and a rounded distal tip at the opposite end of the guide wire to facilitate its movement through the catheter tube;and at least one radiation-producing element fixed to said guide wire at an intermediate location thereof spaced from said rounded distal tip;said radiation-producing element being formed with a slot extending radially from an outer edge to its central region for receiving said flexible guide wire and for fixing the radiation-producing element to the flexible guide wire.