US Patent 7552490 Method and apparatus for patient loading and unloading

A method and apparatus of a positioning system are described to position an upper-half of a body relative to a head-end of a couch. The positioning system may be a patient positioning system and may include a treatment couch, a leg rest coupled to the treatment couch, and a drive mechanism coupled to the leg rest. The patient positioning system may also include a treatment couch, having a base portion of a treatment couch and plurality of detachable portions of the treatment couch. The plurality of detachable portions to adjust a height of the treatment couch to accommodate differing heights of patients.