Patent ID: 6936071
Filing Date: 2005-08-30
Classification: A61B,A61F

Abstract:
1. An intervertebral implant insertable between adjacent vertebrae, comprising, an upper part having an upper surface for engaging a vertebrae and a lower surface which includes a rounded portion, a lower part having a lower surface for engaging a vertebrae and an upper surface portion in operative engagement with the rounded portion of the upper part, said implant being constructed to be the sole implant in its intervertebral space, the implant having a lead end which leads as the implant is inserted along a path into the intervertebral space and a trailing end opposite the lead end, and lateral planes which pass through the outermost boundaries of the implant and parallel to the said path, and a single anchor on each of the upper surface of the upper part and the lower surface of the lower part, each said anchor being elongated, having a height greater than its width, and located along a line parallel to said path, the two anchors lying essentially in the same vertical plane, which plane is essentially midway between said lateral planes, each said anchor being adapted to enter a groove in the adjacent vertebrae as the implant moves along said path into the intervertebral space, to anchor its respective part to the vertebrae which its surface engages.