Patent ID: 6143032
Filing Date: 2000-11-07
Classification: A61F,Y10S

Abstract:
An intervertebral implant for insertion between two vertebral bodies of a spinal column comprising a hollow body formed by a side wall, the spinal column having a dorsal side, said intervertebral implant having:a convexly curved longitudinal wall portion;a concavely curved longitudinal wall portion; andtwo convexly curved lateral wall portions connecting said convexly curved longitudinal wall portion and said concavely curved longitudinal wall portion, whereby the radii of curvature of said two convex curved lateral wall portions are smaller than the radii of curvature of said convexly curved longitudinal wall portion and said concavely curved longitudinal wall portion, and whereby said wall portions define two contact surfaces; whereby:the wall thickness of at least one of said two convexly curved lateral wall portions is greater than the wall thickness of said convex curved longitudinal wall portion and said concavely curved longitudinal wall portion;one of said two convexly curved lateral wall portions is provided with an instrument receptacle; andsaid instrument receptacle is formed as a hole provided with an internal thread.