Patent ID: 8372080

Claim:
An apparatus for guiding a path of a cutting tool to resect a bone comprising: a guide having a first engagement side permitting engagement with a portion of a bone, a first opposed side spaced from said first engagement side, and a guide surface adapted to receive, and guide the path of, a cutting tool, said guide surface extending between said first engagement side and said first opposed side; a base coupled to said guide, said base having a second engagement side permitting engagement with said portion of the bone and a second opposed side spaced from said second engagement side; an adjustment mechanism drivingly engaging at least one of said guide and said base, said adjustment mechanism adjusting a distance separating said guide and said base when said adjustment mechanism is actuated; an adjustment member having an engaged position and a disengaged position, said adjustment member including a drive end having a cross-section for drivingly mating with said adjustment mechanism, and said drive end being operably in driving relationship coupled to said adjustment mechanism in said engaged position, wherein said adjustment member transverses said guide surface in said engaged position to actuate said adjustment mechanism, and wherein said adjustment member does not transverse said guide surface in said disengaged position; and a knob disposed at the end of said adjustment member opposite said drive end and a spring disposed between said guide and said knob, wherein said spring is biased to place said adjustment member in said disengaged position.