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Patient-specific and patient-engineered orthopedic implants

  • US 10,085,839 B2
  • Filed: 12/10/2010
  • Issued: 10/02/2018
  • Est. Priority Date: 01/05/2004
  • Status: Expired due to Fees
First Claim
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1. A patient-specific bicompartmental knee implant for implantation into a patient'"'"'s knee joint, the implant comprising:

  • a body having a condylar portion and a trochlear portion,wherein the condylar portion has a shape generally resembling a surface of a condyle of the patient'"'"'s knee joint and the trochlear portion having a shape generally resembling the surface of a trochlea of the patient'"'"'s knee joint, wherein the trochlear portion includes a patellofemoral (PF) region having a standard coronal curvature selected from a family of standard curvatures and a patient-specific sagittal curvature;

    the condylar portion further having an articular surface, wherein at least a portion of the articular surface is configured to have a three-dimensional shape that includes articular shape information of a corresponding portion of the condyle of the patient'"'"'s knee joint; and

    the condylar portion further having a bone-facing surface opposite the articular surface, wherein at least a first portion of the bone-facing surface is planar and at least a second portion of the bone-facing surface substantially matches a corresponding portion of an articular surface of the patient'"'"'s knee joint.

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