Tibial tubercule osteotomy

  • US 9,833,245 B2
  • Filed: 09/29/2014
  • Issued: 12/05/2017
  • Est. Priority Date: 09/29/2014
  • Status: Active Grant
First Claim
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1. A patient-specific system for a tibial osteotomy, comprising:

  • a patient-specific guide comprising a guide body defining a bone-engaging portion with a bone-engaging surface configured to conform as a negative surface to a corresponding surface of a specific patient'"'"'s tibia, and a guide portion configured to guide a surgical instrument to a specific location on the specific patient'"'"'s tibia, wherein the bone-engaging surface and guide portion are configured during a pre-operative planning stage, and wherein the guide portion comprises a first plurality of apertures defined by the guide body, the first plurality of apertures being positioned in a line, wherein the line establishes a saw trajectory selected during the pre-operative planning stage;

    a patient-specific implantable wedge with a predetermined shape, wherein the wedge is configured during the pre-operative planning stage to have a first portion defining a first surface that corresponds to the line of the first plurality of apertures; and

    a plurality of pins, wherein the first plurality of apertures are configured to guide the plurality of pins to the specific patient'"'"'s tibia, and wherein the plurality of pins are used as a saw guide for resecting the specific patient'"'"'s tibia after removal of the patient specific guide from the specific patient'"'"'s tibia.

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