. "FIG. 18A is a plan view of the joint side 240 of the femur implant model 34??? depicted in FIG. 3B. FIG. 18B is an axial end view of the femur lower end 200 of the femur bone model 28??? depicted in FIG. 3A. The views depicted in FIGS. 18A and 18B are used to select the proper size for the femoral implant model 34???." . . .