Patent ID: 6261255
Filing Date: 2001-07-17
Classification: A61M

Abstract:
An apparatus for providing vascular access for chronic hemodialysis, said apparatus adapted to be disposed interminally in a patient to form an arteriovenous fistula, said apparatus comprising:a first segment adapted to connect with an artery in the patient, and wherein said first segment is comprised of a material chosen from the group suitable for repeated needle penetration to provide vascular access, said material selected from the group consisting of PTFE, silicone and fluorosilicone;second segment adapted to be inserted into a vein in the patient and secured therein, said second segment having a tapered length culminating in a beveled tip and wherein said second segment is comprised of a catheter material suitable to resist clogging during subsequent use through the deployment of said tip in an unanchored state, said material selected from the group consisting of silicone, fluorosilicone and rubber;an intermediate connecting portion coupling said first segment to said second segment; and,outlet ports proximate said tip for emitting fluids from said apparatus.