(1) This apparatus was designed to automate a body contouring work for the purpose of the computerized treatment planning. (2) Patient's contour obtained by this apparatus was available to secure the reproducibility of positioning for radiotherapy. (3) Merits of this apparatus are summarized as follows. (A) Simple and Compact size (B) Low cost (C) Attachable to a simulater or treatment machine (D) High precision (E) Concideration as the input to computer
