A cutting guide (400) for removal of bone during arthroplasty. The cutting guide includes a housing (401) having a first portion (402) and a second portion (404). The first portion includes an attachment mechanism (409) adapted to couple the housing to the bone during arthroplasty and the second portion including a wall (406) defining a continuous path (410). A blade (412) for cutting the bone can slide along the arcuate recess (410), cutting the bone in a shape matching the continuous path.
