Apparatus for removing bone from a femoral notch, or the like, which includes a guidewire and a router assembly. The router assembly comprises a cutting head fixed to a shaft rotatably disposed in a hole through a body portion of a shield assembly. A hood portion of the shield assembly extends from the...http://www.google.se/patents/US6364886?utm_source=gb-gplus-sharePatent US6364886 - Apparatus and method for reconstructing ligaments