An assembly and method for providing a less invasive resection of various bone portions. Generally, the assembly includes a positioning rod and a reamer that may be moved relative to the positioning rod with a guiding portion. The method allows for use of the assembly through a substantially small incision...http://www.google.es/patents/US7481814?utm_source=gb-gplus-sharePatente US7481814 - Method and apparatus for use of a mill or reamer