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Controlled artificial intervertebral disc implant

  • US 7,563,286 B2
  • Filed: 02/11/2005
  • Issued: 07/21/2009
  • Est. Priority Date: 08/15/2002
  • Status: Active Grant
First Claim
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1. An articulating intervertebral implant for implantation between first and second vertebrae, the implant comprising:

  • a first endplate having a first inner surface and a first outer surface for engaging the first vertebra;

    a second endplate having a second inner surface and a second outer surface for engaging the second vertebra;

    a cover plate coupled to the first endplate, the cover plate including an inner opening;

    a first insert member adapted to be received within the inner opening of the cover plate, the first insert member having a first articulating surface operatively associated with the second endplate so that the first and second endplates can articulate with respect to each other; and

    a spring component located between the first insert member and the first endplate, wherein the spring component is a leaf spring.

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