Intervertebral Prosthesis
First Claim
1. An intervertebral prosthesis comprising a first plate and a second plate, wherein each plate comprises a substantially flat bone engaging surface with a macro-textured surface capable of rasping an interstitial bone surface, and one or more lugs which on intervertebral insertion of the prosthesis abut a non-interstitial surface of the vertebrae to limit insertion of the prosthesis.
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Accused Products
Abstract
The present invention relates to an intervertebral prosthesis. In particular, the present invention relates to an articulating intervertebral disc prosthesis. In use, the intervertebral prosthesis is fixed to the end plates of vertebrae following the surgical excision of a degenerative or ruptured disc. The intervertebral prosthesis has substantially flat bone engaging surfaces with a macro-textured surface.
207 Citations
29 Claims
- 1. An intervertebral prosthesis comprising a first plate and a second plate, wherein each plate comprises a substantially flat bone engaging surface with a macro-textured surface capable of rasping an interstitial bone surface, and one or more lugs which on intervertebral insertion of the prosthesis abut a non-interstitial surface of the vertebrae to limit insertion of the prosthesis.
Specification