Artificial intervertebral disc

Artificial intervertebral disc

  • CN 101,170,969 A
  • Filed: 05/02/2006
  • Published: 04/30/2008
  • Est. Priority Date: 05/02/2005
  • Status: Active Application
First Claim
Patent Images

1. the artificial intervertebral disc between first and second adjacent vertebraes that are used to implant spinal column, described intervertebral disc comprises:

  • -shell body, it comprises first capsule of cooperation and second capsule and limits first compartment that described first capsule and described second capsule can move relative to each other;

    -inner housing, it comprises cup and cooperation lid, and described cup and described lid can move relative to each other, and described inner housing limits second compartment;

    And-resilient nucleus;

    -wherein,A) size of the lid of described inner housing and cup forms of making in described cup or the described lid and is received in in described cup and the described lid another;

    B) described inner housing is contained in first compartment of described shell body basically;

    AndC) described resilient nucleus is contained in second compartment of described inner housing basically, and the described cup of described nucleome bias voltage and described lid are to be used for flexibly separating described cup and described lid.

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