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Minimally invasive expanding spacer and method

  • US 7,087,055 B2
  • Filed: 06/25/2002
  • Issued: 08/08/2006
  • Est. Priority Date: 06/25/2002
  • Status: Active Grant
First Claim
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1. A device for spacing vertebral members comprising:

  • a plurality of linkages each comprising an elongated shape with a first end and a second end, at least one end having teeth;

    a pull arm pivotally connected to the first end of each of the plurality of linkages; and

    a first plate connected to the second end of at least one of the plurality of linkages and a second plate connected to the second end of at least one of the plurality of linkages;

    the pull arm being positioned in a first orientation with the linkages having a first link angle, and a second orientation with the plurality of linkages having a second link angle, with the second link angle being greater than the first link angle.

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