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US 2007/0185577 A1Published application
Intervertebral disc prosthesis
OwnerMichel Malekinventor
Life of this patent
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Abstract
Intervertebral disc prostheses are provided. More particularly, the invention provides disc prostheses that have adjustable disc heights, that are readily converted into fusion prostheses and that provide a range of motions that effectively mimic the natural range of motions of a spinal disc.
Claims15
An intervertebral disc prosthesis assembly comprising:
- (a) a first base plate comprising a circumferential edge, an interior surface, an exterior surface and a first threaded groove extending into the circumferential edge along the interior surface;
- (b) a second base plate disposed opposite the first base plate, the second base plate comprising a circumferential edge, an interior surface, an exterior surface, and a second threaded groove extending into the circumferential edge along the interior surface, the second threaded groove disposed opposite and facing the first threaded groove;
- and
- (c) a threaded rod that engages the first and second threaded grooves of the first and second base plates.
1 more element
A prosthetic vertebral assembly comprising:
- (a) a prosthetic vertebral body comprising:
- (i) a base having a superior end and an inferior end, the superior end disposed opposite the inferior end;
- (ii) a superior vertically adjustable support adjustably mounted to the superior end of the base;
- and
- (iii) an inferior vertically adjustable support adjustably mounted to the inferior end of the base;
- (b) a first intervertebral disc prosthesis mounted to the superior vertically adjustable support;
- and
- (c) a second intervertebral disc prosthesis mounted to the inferior vertically adjustable support.
5 more elements
Dependencies are inferred from the claim text.