Prosthetic intervertebral discs

摘要

A prosthetic intervertebral disc and methods for using the same are provided. The subject prosthetic discs are characterized by including top and bottom endplates separated by a fibrous compressible element that includes an annular region and a nuclear region. The two plates are held together at least one fiber wound around at least one region of the top endplate and at least one region of the bottom endplate. The subject discs may be employed with separate vertebral body fixation elements, or they may include integrated vertebral body fixation elements. Also provided are kits and systems that include the subject prosthetic discs.

主权项

1. A prosthetic intervertebral disc comprising:
a polymeric component; a first plate having a first side, adjacent to the polymeric component, and a second side opposite to the first side, wherein a first plurality of slots extend through the first plate from the first side to the second side; a second plate having a first side, adjacent to the polymeric component, and a second side opposite to the first side, wherein a second plurality of slots extend through the second plate from the first side to the second side; and a fibrous component passing through the first plurality of slots in the first plate and the second plurality of slots in the second plate such that the first plate is held to the second plate, wherein the fibrous component and the polymeric component are distinct, and wherein the polymeric component is located between the first and second plates.