Patent ID: 8398645
Filing Date: 2013-03-19
Classification: A61B,Y10T

Abstract:
1. A customized patient-specific orthopaedic instrument, comprising: a customized patient-specific cutting block having a monolithic body comprising (i) a femoral-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of a femur of a patient, (ii) a tibial-facing surface having a customized patient-specific negative contour that is shaped to match a corresponding contour of a portion of a tibia of a patient, (iii) an outer surface opposite the femoral-facing surface and the tibial-facing surface, and (iv) at least one cutting guide including a slot that extends through the body between the outer surface and at least one of the femoral-facing surface and the tibial-facing surface, wherein (i) the customized patient-specific negative contour of the femoral-facing surface includes a unique plurality of depressions and ridges that match a corresponding plurality of ridges and depressions of the corresponding contour of the portion of the femur of the patient, and (ii) the customized patient-specific negative contour of the tibial-facing surface includes a unique plurality of depressions and ridges that match a corresponding plurality of ridges and depressions of the corresponding contour of the portion of the tibia of the patient.