Patent ID: 9237955
Filing Date: 2016-01-19
CPC Classification: A61F,A61L,C04B

Claim Text:
1. An intervertebral disc endoprosthesis for implantation in the spinal column comprising: an upper end plate and a lower end plate for securing respectively to the bones of the vertebral bodies; a sliding bearing arranged between the upper end plate and the lower end plate, said sliding bearing comprising sliding bodies which slide on each other; wherein the upper end plate and the lower end plate are plastic; wherein the sliding bodies are ceramic; wherein the sliding bodies are encapsulated by the plastic of the upper end plate and the lower end plate; wherein surface regions of the sliding bodies encapsulated by the plastic of the upper and the lower end plates has a single circumferential groove therein, wherein the circumferential groove is rotationally symmetrical with respect to the longitudinal axis of the intervertebral disc endoprosthesis.