Patent ID: 6099568
Filing Date: 2000-08-08
Classification: A61B,A61F

Abstract:
An improved anchor for securing a replacement ligament in a bone tunnel drilled in a patient's bone, said anchor being a unitary member formed of a bioresorbable material, and comprising a first dome portion, adapted to fit into the bone tunnel, and a second flange portion surrounding said dome portion and adapted to rest on the surface of said bone surrounding said bone tunnel and prevent said anchor from being pulled into said bone tunnel, said dome portion having at least two apertures formed therein for passage of sutures therethrough, the cross-sectional thickness of the material of said dome portion of said anchor being greater in the vicinity of said apertures than elsewhere, and wherein said flange is elliptical in plan and said apertures are opposed to one another, on either side of the long axis of said elliptical flange.