A kit for use in performing joint arthroplasty, the kit including a prosthesis to be fitted to a long bone and a cutting guide. The cutting guide including a housing having an attachment mechanism adapted to couple the housing to the bone during arthroplasty and a wall defining a continuous path and a blade for cutting the bone, the blade fitting within and sliding along the continuous path such that the blade cuts the bone in a shape matching the second body articulating surface.
