The relationship between first and second portions of a bone in a patient's body is changed by moving a wedge member into a slot formed in the bone. Force is applied against hard cortical bone by the wedge member. This force pivots the first portion of the bone relative to the second portion of the bone...http://www.google.ca/patents/US6086593?utm_source=gb-gplus-sharePatent US6086593 - Method and apparatus for use in operating on a bone
