Patent ID: 8252000

Claim:
A femoral condyle cutting and shaping device, comprising: a first bone shaping and cutting tool, disposed on an extending end portion of a main driving shaft; and a fixed gearbox including the main driving shaft said driving shaft supported on a case of the fixed gearbox, a main driving gear being mounted on the main driving shaft, characterized in that, the femoral condyle cutting and shaping device further comprises: at least one assistant shaft mounted inside the case of the fixed gearbox and at least one assistant gear mounted on said at least one assistant shaft respectively, wherein one of said at least one assistant gear which is adjacent to said main driving gear is engaged with said main driving gear; a sliding gearbox including a sliding gearbox case which is capable of being guided to slide in the case of the fixed gearbox, wherein said sliding gearbox includes at least one driven shaft mounted on the sliding gearbox case of the sliding gearbox and at least one driven gear mounted on said at least one driven shaft, wherein one of said at least one driven gear which is adjacent to said at least one assistant gear is engaged with the most adjacent one of said at least one assistant gear, and the axes of said at least one driven shaft and said main driving shaft are parallel to each other; a first connecting member and a second connecting member, said assistant shaft being supported on the first connecting member, wherein said first connecting member is supported on said main driving shaft at one end of the first connecting member, the other end of said first connecting member is mounted with one end of said second connecting member onto one of said at least one assistant shaft so as to form a pivotal connection, and the other end of said second connecting member is connected to one of said at least one driven shaft; at least one additional bone shaping and cutting tool, mounted on a portion of its corresponding driven shaft which extends outside the sliding gearbox case; and an adjusting mechanism arranged outside the case of said fixed gearbox and connected to one of said at least one driven shaft so as to change the relative positions of said first bone shaping and cutting tool and said at least one additional bone shaping and cutting tool.