BS EN 61217:2012 PDF

1   Scope and object This International Standard applies to equipment and data related to the process of teleradiotherapy , including patient image data used in relation with radiotherapy treatment planning systems , radiotherapy simulators , isocentric gamma beam therapy equipment , isocentric medical electron accelerators , and non-isocentric equipment when relevant. The object of this standard is to define a consistent set of coordinate systems for use throughout the process of teleradiotherapy , to define the marking of scales (where provided), to define the movements of me equipment used in this process, and to facilitate computer control when used.