US 6,309,394 B1 · Bone cutting and breaking apparatus, and miniaturized cutting head

Abstract

The present invention includes an apparatus and method for cutting a bone including a cutting assembly having a cutting blade, a cutting guide for guiding the shape of the cut in the bone, and a power source for powering the cutting blade. The cutting blade is moveable radially to vary the depth of the cut in the bone, and the cutting blade is capable of cutting around the circumference of the bone as well as in a longitudinal direction along the bone. A powered bone breaking device for completing the breaking of the weakened bone is also disclosed. A miniaturized version of the bone cutting apparatus can be used to cut out sections of a femur head from inside a femur body.

Claims31

Dependent claims

A bone cutting apparatus, comprising:

a power source;
an articulating cutting assembly connected to said power source and including a cutting blade, said cutting blade moveable between a stored position and a cutting position;
a cutting guide for guiding said cutting blade during bone cutting;
and
means for locking said bone cutting apparatus to a bone being cut, wherein at least a portion of said bone cutting apparatus including said cutting assembly is shaped to fit within a cylindrical cavity of a bone.

2 more elements

Dependencies are inferred from the claim text.

Bone cutting and breaking apparatus, and miniaturized cutting head

Life of this patent

Bone cutting and breaking apparatus, and miniaturized cutting head

Life of this patent

Abstract

Claims31