Prosthetic intervertebral disc

Details Prosthetic intervertebral disc Prosthetic intervertebral disc

2011-03-15

2011-03-15

Robert, Eduardo C (Department: 3733)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

C623S017150

Reexamination Certificate

active

07905921

ABSTRACT:
Prosthetic intervertebral discs and methods for using the same are described. The subject prosthetic discs include upper and lower endplates separated by a compressible core member. The prosthetic discs described herein include one-piece, two-piece, three-piece, and four-piece structures. The subject prosthetic discs exhibit stiffness in the vertical direction, torsional stiffness, bending stiffness in the saggital plane, and bending stiffness in the front plane, where the degree of these features can be controlled independently by adjusting the components of the discs. The interface mechanism between the endplates and the core members of several embodiments of the described prosthetic discs enables a very easy surgical operation for implantation.

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Hudgins, Robert Garryl, “Development and Characterization of a Prosthetic Intervertebral Disc” A Thesis Presented to the Academic Faculty, Georgia Institute of Technology (Nov. 1998, pp. 1-209).
Hudgins, Robert Garryl, “Development and Characterization of a Prosthetic Intevertebral Disc” A Thesis Presented to the Academic Faculty, Georgia Institute of Technology (Nov. 1998).

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