A reamer may be designed to engage a guide member, such as a guide wire, implanted in bone at any of a plurality of relative orientations such that the resulting resection of the bone does not depend on the relative orientation. The reamer may have a shaft that receives torque and a reaming head with...http://www.google.com/patents/US7758581?utm_source=gb-gplus-sharePatent US7758581 - Polyaxial reaming apparatus and method
