Patent ID: 9622877
Date: 2017-04-18
CPC Classifications: A61F

Claim:
1. A disc prosthesis for use in the treatment of spinal disorders, comprising at least one upper cover provided with at least one upper cavity and at least one upper curved surface configured to contact a vertebrae; at least one bearing member comprising at least one bearing outer surface, on which the upper cover can make a rotational motion and which is structurally compatible with and receivable by the upper cavity on the upper cover, and at least one mount extending in the form of a projection and having an inner surface with a partial spherical shape; at least one movement member, which is provided with at least one movement member outer surface which is in contact and compatible with said inner surface of the mount provided in the bearing member, and which is received by this mount so as to allow rotational, horizontal, and vertical movements with respect to bearing member and synchronous movement with the upper cover; at least one lower cover provided with at least one lower cavity which is compatible to receive said mount, wherein said mount is fixed to the lower cavity disposed in the lower cover by means of a friction fit, and at least one lower outward curved surface on the side thereof is configured to contact the vertebrae; at least one connection member extending from the upper cavity on the upper cover towards the lower cover and being mounted to said movement member by being passed through at least one channel which extends along the bearing member and is in connection with said mount so as to connect the bearing member to the upper cover such that the upper cover can be moved on the bearing member and so as to prevent disengagement of the upper cover and the bearing member.