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Total joint Replacement

  • US 20090182429A1
  • Filed: 01/16/2008
  • Published: 07/16/2009
  • Est. Priority Date: 01/16/2008
  • Status: Active Grant
First Claim
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1. An artificial vertebral joint for interposition between a superior vertebra and an inferior vertebra, said artificial vertebral joint comprising:

  • a pair of bilateral joint subcomponents, each joint subcomponent including,a superior component including a superior vertebra engaging surface;

    an inferior component including an inferior vertebra engaging surface; and

    a spacer extending between the superior component and the inferior component, the spacer including a first modulus of elasticity and a second modulus of elasticity, the first modulus transitioning to the second modulus with a gradient change.

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