Bone-conserving orthopedic instrumentation and appliances

Details Bone-conserving orthopedic instrumentation and appliances Bone-conserving orthopedic instrumentation and appliances

2003-10-15

2008-09-02

Snow, Bruce (Department: 3738)

Surgery

Instruments

Orthopedic instrumentation

C606S088000

Reexamination Certificate

active

07419491

ABSTRACT:
Apparatus and surgical techniques provide alternative cutting fixtures and other features to improve bone resection accuracy and joint stability. According to one embodiment, stabilizers are removably attached to a cutting guide to temporarily lengthen the surface against which a saw or other cutting device rests. Another embodiment provides differently shaped saw blades, having curved distal ends and right-angle bends applicable to box cuts of the type associated with cruciate sacrifice knee-replacement surgery. Methods are also disclosed whereby the box cuts, distal and posterior augment cuts may be approached from a distal perspective, both laterally and medially. A different embodiment provides a trial/cutting guide having flat surfaces as opposed to curved surfaces adapted for articulation within a joint. Yet a further alternative embodiment teaches a device for determining the joint line relative to a tibia using the fibula as reference.

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