Patent ID: 8419740

Claim:
An orthopaedic instrument assembly, comprising: a customized patient-specific femoral cutting block having (i) a customized patient-specific negative contour surface that is shaped to match a corresponding contour of a portion of a distal femur of a patient, and (ii) a cutting guide, a customized patient-specific tibial cutting block having (i) a customized patient-specific negative contour surface that is shaped to match a corresponding contour of a portion of a proximal tibia of the patient, and (ii) a cutting guide, and a mechanical linkage positioned between and coupled to the customized patient-specific femoral cutting block and the customized patient-specific tibial cutting block when the customized patient-specific femoral cutting block is attached to the distal femur of the patient and the customized patient-specific tibial cutting block is attached to the proximal tibia of the patient, wherein the mechanical linkage is operable to move the customized patient-specific femoral cutting block and the customized patient-specific tibial cutting block away from and toward one another.