Patient specific alignment guide with cutting surface and laser indicator

  • US 9,173,661 B2
  • Filed: 10/01/2009
  • Issued: 11/03/2015
  • Est. Priority Date: 02/27/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of guiding an instrument relative to an anatomical feature of a patient comprising:

  • nesting a patient-specific guide that includes a first portion having a first patient-specific inner surface and a second portion having a second patient-specific inner surface on an unresected surface of the anatomical feature, wherein the first and second inner surfaces are patient-specific according to image scans of the corresponding unresected surface of the specific patient, the first portion having a first mateable surface and the second portion having a second mateable surface, the first portion directly connected to and removeably separable from the second portion via the corresponding first and second mateable surfaces;

    securing the guide including the first portion and the second portion to the anatomical feature by fixedly coupling only the first portion to the anatomical feature;

    removing the second portion from the secured guide by de-coupling the second portion from the fixed first portion;

    leaving the first portion secured to the anatomical feature;

    removably supporting a cutting guide on an outer guide surface of the fixed first portion to align the cutting guide relative to the anatomical feature; and

    guiding a cutting tool for cutting the anatomical feature with a cutting surface on the cutting guide.

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