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YY/T 1981-2025: Radiotherapy treatment planning software - Requirement and test method for electron beam dose calculation accuracy
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YY/T 1981-2025: Radiotherapy treatment planning software - Requirement and test method for electron beam dose calculation accuracy

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ICS 11.040.60 CCSC43 Pharmaceutical Industry Standards of the People's Republic of China Radiotherapy planning software Accuracy requirements and test methods for electron beam dose calculation Published on 2025-06-18 Implemented on 2027-01-01 National Medical Products Administration issued

Table of contents

Preface III 1.Scope 1 2 Normative References 1 3.Terms and Definitions 1 4 Requirements 2 4.1 Accuracy of dose calculation at measurement points along the radiation beam axis 2 4.2 Accuracy of dose calculation at off-axis measurement points within the radiation field 2 4.3 Accuracy of dose calculation at radiation field measurement points 2 4.4 Accuracy of dose calculation at measurement points along the radiation beam axis 2 4.5 Accuracy of distance calculation between isodose points 2 4.6 Accuracy of Planar Dose Distribution Calculation 2 5.Test Methods 3 5.1 Experimental phantom and radiation detector 3 5.2 Accuracy of dose calculation at measurement points along the radiation beam axis 3 5.3 Accuracy of dose calculation at off-axis measurement points within the radiation field 3 5.4 Accuracy of dose calculation at radiation field measurement points 3 5.5 Accuracy of dose calculation at measurement points along the radiation beam axis 3 5.6 Accuracy of distance calculation between isodose points 4 5.7 Accuracy of Planar Dose Distribution Calculation 4 Appendix A (Normative) Test Example 5 for the Accuracy of Measurement Point Calculation Appendix B (Normative) Example 8 of Planar Dose Distribution Accuracy Test

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed by the National Medical Products Administration. This document was prepared by the Subcommittee on Radiotherapy, Nuclear Medicine and Radiation Dosimetry Equipment of the National Technical Committee for Standardization of Medical Electrical Appliances. (SAC/TC10/SC3) is under its jurisdiction. This document was drafted by. Beijing Institute for Medical Device Testing (Beijing Medical Biological Protective Equipment Testing and Research Center), Varian Medical... Medical Equipment (China) Co., Ltd., Peking University Cancer Hospital, Shanghai United Imaging Healthcare Co., Ltd., Elekta (Shanghai) Technology Co., Ltd. The company, Xi'an Dayi Group Co., Ltd., Sichuan University, the First Medical Center of the General Hospital of the Chinese People's Liberation Army, and Shanghai University of Science and Technology. The main drafters of this document are. Jiao Chunying, Zhang Xin, Wu Hao, Fu Guotao, Liu Yanfang, Ye Shaoqiang, Chen Shufei, Zhang Zhongyuan, Lin Angchun, and Gou Chengjun. Li Yueling, Xie Chuanbin, Liu Baolin, Yan Rongguo. Radiotherapy planning software Accuracy requirements and test methods for electron beam dose calculation

1 Scope

This document specifies the accuracy requirements for electron beam dose calculation in radiotherapy planning software (RTPS) and describes the corresponding experimental methods. This document applies to radiotherapy units with long-range electron beam dose calculation functions used in conjunction with medical electron accelerators. Software for slicing. This document is not applicable to electron beam radiotherapy planning software for specific applications.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. GB 9706.201 Medical Electrical Equipment - Part 2-1.Basic Safety and Basic Safety of Electron Accelerators with Energy from 1 MeV to 50 MeV Performance-specific requirements GB 15213 Performance and Test Methods for Medical Electron Accelerators GB/T 17857 Medical Radiology Terminology (Radiotherapy, Nuclear Medicine and Radiation Dosimetry Equipment) GB/T 18987 Coordinates, Motion and Scale of Radiotherapy Equipment YY 0775 Accuracy Requirements and Test Methods for High-Energy X(γ) Beam Dose Calculation in Teletherapy Planning Systems

3 Terms and Definitions

The terms and definitions defined in GB 9706.201, GB 15213, GB/T 17857 and YY 0775, as well as the following terms and definitions, apply to this document. 3.1 Dose calculated values [Source. YY 0775-2010, 3.1] 3.2 nominal energy Provided by the manufacturer, it is used to characterize the energy of the radiation beam. [Source. GB 15213-2016, 3.13] 3.3 A beam-limiting device for electron radiation beams. [Source. GB 9706.201-2020,.201.3.203] 3.4 maximum dose depth The depth at which the maximum absorbed dose is located on the radiation beam axis within the phantom when the phantom surface is at a specific distance. ...