Patent ID: 6077269
Filing Date: 2000-06-20
Classification: A61B,A61F

Abstract:
For use in femoral knee-replacement arthroplast, a combination trial and cutting guide which facilitates a trial joint reduction in conjunction with a tibial spacer having a superior protrusion, the combination trial and cutting guide comprising:a solid body having an anterior portion, a posterior portion, an inner surface adapted for temporary placement against a bone to be modified, and an outer, articulating surface including a pair of medial and lateral condylar protrusions, each having a smooth curved convex surface extending from the anterior portion to the posterior portion of the body to interact with a corresponding tibial articular surface;one or more bone-modification slots extending through the body; anda passageway formed in a central region of the body, the passageway extending from the anterior portion to the posterior portion of the body so as to accommodate the superior protrusion of the tibial spacer during the trial joint reduction, thereby enabling the knee to be tested in flexion and extension with the post received within the passageway.