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YY/T 1407-2016 English PDF

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YY/T 1407-2016: Performance characteristics and test methods of image system for radiotherapy simulator
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Basic data

Standard ID YY/T 1407-2016 (YY/T1407-2016)
Description (Translated English) Performance characteristics and test methods of image system for radiotherapy simulator
Sector / Industry Medical Device & Pharmaceutical Industry Standard (Recommended)
Classification of Chinese Standard C43
Classification of International Standard 11.040.60
Word Count Estimation 18,142
Date of Issue 2016-03-23
Date of Implementation 2017-01-01
Regulation (derived from) Notice of the General Administration of Food and Drug Administration (No. 74 of 2016)
Issuing agency(ies) State Food and Drug Administration

YY/T 1407-2016: Performance characteristics and test methods of image system for radiotherapy simulator


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Performance characteristics and test methods of image system for radiotherapy simulator ICS 11.040.60 C43 People's Republic of China Pharmaceutical Industry Standard Radiation therapy simulator imaging system performance and experiment method Performancecharacteristics andtestmethodsofimagesystemfor 2016-03-23 release 2017-01-01 Implementation State Food and Drug Administration issued Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 Classification and composition 4.1 Classification 2 4.2 Composition 2 5 request 2 Performance of simulator imaging system using X - ray image intensifier 2 5.1.1 useful field size 2 5.1.2 image distortion 2 5.1.3 line to resolution 3 5.1.4 Low contrast resolution 3 5.1.5 image grayscale authentication level 3 5.1.6 Image brightness stability 3 5.1.7 Image response time 3 5.1.8 X-ray image intensifier perspective of the incident surface of the air than the kinetic energy 3 5.1.9 X-ray image intensifier perspective incidence of air than the kinetic energy 3 Performance of Simulator Image Using Digital Flat Panel Detector 3 5.2.1 Pixel matrix and pixel pitch 3 5.2.2 frame rate 4 5.2.3 Line resolution 4 5.2.4 Low contrast resolution 4 5.2.5 image grayscale authentication level 4 5.2.6 Image brightness stability 4 5.2.7 Image uniformity 4 5.2.8 Effective imaging area 4 5.2.9 Geometric distortion of image 4 5.3 Image format 5 6 Test Method 5 6.1 Simulator imaging performance using X-ray image intensifier 5 6.1.1 useful field size 5 6.1.2 Image distortion 5 6.1.3 Line resolution 5 6.1.4 Low contrast resolution 5 6.1.5 Image grayscale authentication level 6 6.1.6 Image brightness stability 6 6.1.7 Image response time 6 6.1.8 X-ray image intensifier perspective of the incident surface of the air than the kinetic energy 7 6.1.9 X-ray image intensifier perspective incident air specific kerma rate 7 6.2 Simulator imaging system performance using digital flatbed detectors 7 6.2.1 Pixel matrix and pixel pitch 7 6.2.2 frame rate 7 6.2.3 Line resolution 7 Low contrast resolution 6.2.5 Image grayscale identification level 8 6.2.6 Image brightness stability 8 6.2.7 Image uniformity 8 6.2.8 Effective imaging area 9 6.2.9 Geometric distortion of image 9 6.3 Image format 10 Appendix A (informative) Line pair resolution test card 11 Appendix B (informative) Low contrast resolution test card 12 Appendix C (informative appendix) Image grayscale identification grade test card 13 Appendix D (informative) Geometric field size test card 14

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. The issuer of this document does not assume responsibility for the identification of these patents. This standard is proposed by the State Food and Drug Administration. This standard by the National Medical Electrical Appliances Standardization Technical Committee of Radiation Therapy, Nuclear Medicine and Radiation Dosing Equipment Subcommittee (SAC/TC10/SC3). The drafting of this standard. Beijing Medical Device Testing Institute, Shandong Xinhua Medical Devices Co., Ltd., China Nuclear Power Research and Design Hospital equipment factory, Jiangsu Haiming Medical Devices Co., Ltd. The drafting of this standard. Jiao Chunying, Miao Bin, Li Zhiyong, Jane Bin, Chen Pu. Radiation therapy simulator imaging system performance and experiment method

1 Scope

This standard specifies the performance requirements and test methods for radiotherapy simulator imaging systems. This standard applies to the use of X-ray equipment to simulate the radiation treatment of radiation beam geometric conditions to determine the radiation therapy process by the radiation treatment Radiation therapy simulator (hereinafter referred to as "simulator") for the location and radiation field location and radiation field size. This standard does not apply to radiotherapy CT simulators.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 10149 Medical X - ray equipment - Terms and symbols GB/T 17857 Medical Radiology Terminology (Radiation Therapy, Nuclear Medicine and Radiation Dosage Equipment) GB/T 19042.1-2003 Evaluation and routine testing of medical imaging departments - Part 3-1. X-ray photography and perspective systems X - ray equipment imaging performance acceptance test General specification for medical system of medical X - ray image intensifier

3 terms and definitions

GB/T 10149, GB/T 17857 and the following terms and definitions apply to this document. 3.1 X-ray image intensifier X-rayimageintensifier A device that converts an X-ray pattern into a corresponding visible light image and additionally enhances the brightness of the image with external energy. 3.2 Line pair resolution linepairresolution Specified conditions in the image can be identified in the specified line of groups to test the maximum spatial frequency of the graphic image in lines per millimeter (Lp/mm). 3.3 Low contrast resolution lowcontrastresolution Uniform background conditions can be resolved under the specified shape and area of the smallest contrast details. 3.4 Image grayscale identification level imagedetectablegraylevel Under the best conditions, the specific image grayscale discrimination grade test card image can be distinguished by the maximum image grayscale discrimination level. 3.5 Image brightness stability precisionofimagestabilization In the case of different attenuation mode, the image brightness of the automatic control of the same.

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