GB/T 18987-2003 in English

《GB/T 18987-2003放射治疗设备 坐标系、运动与刻度》由TC10（全国医用电器标准化技术委员会）归口，主管部门为国家药品监督管理局。
本标准规定了一套用于远距离放射治疗整个过程都使用的坐标系、刻度标记，以及设备的运动；适用于远距离放射治疗过程中有关的设备与数据。

Scope

This standard applies to related equipment and data in the process of teleradiation therapy, including patient images related to radiotherapy planning systems, radiotherapy simulators, isocentric y-beam therapy equipment, isocentric medical electron accelerators, and non-isocentric equipment. data. This standard specifies a coordinate system to be used throughout the teletherapy process, specifies the scale markings (where provided) to be used in this process, and the movement of the equipment, if a computer is used, to facilitate computer control.