Patient-specific knee alignment guide and associated method

  • US 10,893,879 B2
  • Filed: 01/09/2019
  • Issued: 01/19/2021
  • Est. Priority Date: 06/09/2006
  • Status: Active Grant
First Claim
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1. A method of preparing a femur for a prosthesis in a patient, the method comprising:

  • mating a patient-specific three-dimensional curved inner surface of a femoral alignment guide onto a corresponding three-dimensional surface of the femur of the patient, the patient-specific three-dimensional curved inner surface preoperatively configured from medical scans of the femur of the patient;

    drilling the femur using respective first and second guiding apertures of the femoral alignment guide;

    drilling a first hole and second hole in the femur using a second guide;

    placing a first pin in the first hole and a second pin in the second hole;

    coupling a first resection guide to the femur using the first pin and the second pin;

    performing a first resection of the femur with the aid of the first resection guide;

    placing a third pin and a fourth pin in the femur;

    coupling a second resection guide to the femur using the third pin and the fourth pin; and

    performing a second resection of the femur with the aid of the second resection guide.

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