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US 2024/0215990 A1Published application
Apparatus and method for fabricating a customized patient-specific orthopaedic instrument
AssigneeDePuy Synthes Products, Inc.
InventorsBryan Rose, Jeffrey R. Roose, Luke J. Aram, Dimitri Sokolov
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Abstract
A number of orthopaedic surgical instruments are disclosed. A method, apparatus, and system for fabricating such instruments are also disclosed. In some embodiments, an orthopaedic instrument assembly may include a femoral cutting block configured to receive a portion of a distal femur of a patient and a ligament balancer secured to the femoral cutting block.
Claims12
An orthopaedic instrument assembly, comprising:
- a customized patient-specific femoral cutting block having (i) a customized patient-specific negative contour surface that is configured to receive a portion of a distal femur of a patient that has a corresponding contour, and (ii) a cutting guide, and
- a ligament balancer secured to the femoral cutting block, wherein the ligament balancer has (i) a tibial base plate, and (ii) a pair of femoral paddles each of which is movable relative to the tibial base plate.
A method of performing an orthopaedic surgical procedure on a patient, comprising:
- securing a customized patient-specific femoral cutting block to the femur of the patient,
- securing a ligament balancer to the tibia of the patient,
- securing the ligament balancer to the customized patient-specific femoral cutting block,
- operating the ligament balancer to position the femur of the patient in a desired position relative to the tibia, and
- making a cut in the femur of the patient with the customized patient-specific cutting block.
2 more elements
Dependencies are inferred from the claim text.