Anchoring device for anchoring a rod in bones or vertebrae

Anchoring device for anchoring a rod in bones or vertebrae

  • CN 101,455,580 A
  • Filed: 12/09/2008
  • Published: 06/17/2009
  • Est. Priority Date: 12/13/2007
  • Status: Active Application
First Claim
Patent Images

1. an anchor is used for bar is anchored to bone or vertebra, and is used for using with at least two bars with different-diameter,Described anchor (1;

  • 20) has anchor pole (2;

         22) and be used to be connected to the head (4 of one of described bar (10);

         25),Described head (4;

         25) be connected to described anchor pole (2;

         22) and have a groove (5;

         31), described groove has base portion (11;

         40) and two basic supporting legs (6,7 that vertically extend;

    32,33;

    38,39), described supporting leg limits passage being used for receiving described bar at described passage,With the retaining element (52 that is used for described bar (10) is clamped in described passage;

         70),Wherein said retaining element all has the contact surface (11 that contacts described bar with described base portion;

    40;

    53;

         73), described contact surface is configured as and can clamps any different bar.

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