Patient-specific knee alignment guide and associated method

  • US 9,795,399 B2
  • Filed: 07/09/2014
  • Issued: 10/24/2017
  • Est. Priority Date: 06/09/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method for accessing a portion of a bone of a patient relative to a soft tissue on a surface of the bone, comprising:

  • mating a patient-specific three-dimensional curved inner surface of a first guide onto a corresponding three-dimensional surface of the bone, the patient-specific three-dimensional curved inner surface preoperatively configured from three dimensional images of the bone, where the first guide is based on converted scan data to three dimensional images of the bone of the patient'"'"'s anatomy including a knee joint anatomy including images of the knee joint surfaces of at least one of a distal femur bone or a proximal tibial bone with or without associated soft tissue on the distal femur bone or the proximal tibial bone;

    drilling a first hole into the bone surface through a first guiding aperture of the first guide; and

    placing a member in the first hole into the bone near the knee joint surface, wherein drilling the first hole into the bone surface through the first guiding aperture of the first guide includes drilling the first hole through the first guide aperture that is at least one of positioned on an anterior-medial side of the bone or an anterior-lateral side of the bone.

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