Distal femoral cutting block assembly

Details Distal femoral cutting block assembly Distal femoral cutting block assembly

1996-02-20

1997-11-04

Buiz, Michael

Surgery

Instruments

Orthopedic instrumentation

606 82, A61B 1715

Patent

active

056833989

ABSTRACT:
A composite cutting block for preparing a patient's distal femur to receive a knee prosthesis includes a first block body having a triangular cross section that engages the patient's distal femur using bone tissue connectors such as bone spikes. A pair of inclined surfaces form acute angles with a flat surface, the inclined surfaces defining anterior and posterior chamfer cutting guide surfaces. A second block body has an undersurface with an elongated inverted "T" shaped slot. The first block body fits the slot so that the flat distal surfaces of the first block body and the flat distal surface of the second block body are in planes that are closely positioned upon assembly. A connector in the form of a threaded shaft holds the first block body in the slot of the second block body to define an assembled position. The second block body has opposed parallel cutting guide surfaces that are perpendicular to the undersurface of the second block body for enabling the surgeon to make anterior and posterior cuts on the a patient's distal femur. During use, the second block forms a guard over the first block body when a surgeon is making the anterior and posterior cuts. The surgeon then removes the second block body to expose the first block body so that the anterior and posterior chamfer cuts can be made.

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