Tibial plateau leveling osteotomy plate

CAFC
  • US 8,523,921 B2
  • Filed: 02/24/2006
  • Issued: 09/03/2013
  • Est. Priority Date: 02/24/2006
  • Status: Active Grant
First Claim
Patent Images

1. A bone plate dimensioned for securing two tibial bone segments of an animal as part of a tibial leveling osteotomy procedure for an animal, the bone plate comprising:

  • a distal portion comprising an elongated shaft having disposed therein a plurality of distal portion screw holes each designed to accept a screw and defining a longitudinal axis and a base plane along a bone-contacting surface thereof;

    a proximal portion having an upper surface and a bone-contacting surface opposite the upper surface, the bone-contacting surface of the proximal portion being pre-configured and dimensioned to conform to a tibial bone segment and having a contour formed as an arc of a cylinder having a contour axis extending in a plane including a first rotation axis defined by an intersection of a mid-plane and a transverse plane and rotated relative to the mid-plane about the first rotation axis by a first angle, the mid-plane bisecting the base plane, and the transverse plane being orthogonal to the mid-plane and the base plane, and wherein the axis is rotated relative to a second rotation axis defined by an intersection of the transverse plane and the base plane by a second angle;

    a plurality of proximal portion screw holes located in the proximal portion that were machined through the pre-contoured bone-contacting surface, the proximal portion screw holes being designed to accept a locking screw, whereby locking screws anchored through the proximal portion screw holes will have a targeted screw path through the tibial bone segment.

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