Bone wedge guidance system

An osteotomy guide apparatus for use in a surgical method for changing the axial alignment of a bone having a longitudinal axis by severing said bone and healingly repositioning the resulting segments thereof with respect to each other, which method includes cutting across a portion of said bone in an arcuate cut extending from and through one side of said bone and terminating between said side and the opposed side of said bone, the arc of said arcuate cut being a portion of a circle which has its center offset from said longitudinal axis;

• and cutting two non-radially extending, circumferentially spaced cuts from said arcuate cut to and through the opposed side of said bone to form a removable wedge so that the severed bone segments can be rotated about said arcuate cut to effect said repositioning when said wedge is removed;
• said osteotomy guide apparatus comprising:
• a crecentric curvilinear body having a curvilinear edge extending therefrom for inserting in a crecentric osteotomy cut in a bone, and having a tab planar cut guide means extending outward from the curvilinear body at an angle to the curvilinear body other than normal to a tangent to the body at the intersection of the tab planar cut guide means and the body.