Patent ID: 7083647
Filing Date: 2006-08-01
Classification: A61F

Abstract:
1. A fixation screw for fastening a graft ligament in a bone tunnel, the screw comprising: an elongated shank having a distal end and a proximal end, and a central axis extending from the distal end to the proximal end; and screw threads disposed on said shank and extending from the distal end to the proximal end, said screw threads defining an outer periphery of said shank; wherein the proximal end defines a generally planar end surface disposed transversely to the central axis and at an angle thereto other than a normal angle, and the planar end surface is formed so that the outer periphery of said shank is concentric with a maximum outer diameter of said screw threads; wherein said shank is of tubular structure; wherein said shank is provided with apertures in a sidewall thereof; and wherein the shank distal end defines a plane normal to the shank central axis.