title: An instrument for aligning patient-positioning lasers.
abstract: The accurate adjustment of patient-positioning lasers is difficult and tedious. An optical instrument has been developed which enables rapid and extremely accurate adjustment of these. The instrument may be applied to several other tests of the alignment and adjustment of teletherapy and simulator machines.
mesh_terms: D004864:Equipment and Supplies; D006801:Humans; D007834:Lasers; D010361:Patients; D011187:Posture; D011786:Quality Control