BS EN 62220-1-2-2007 医学电气设备.数字X射线成像设备的特性.量子检测效率的确定.乳腺X射线摄影术用检测器

标准号：BS EN 62220-1-2-2007
中文标准名称：医学电气设备.数字X射线成像设备的特性.量子检测效率的确定.乳腺X射线摄影术用检测器
英文标准名称：Medical electrical equipment - Characteristics of digital X-ray imaging devices - Determination of the detective quantum efficiency - Detectors used in mammography
标准类型：C43
发布日期：2007/11/30 12:00:00
实施日期：2007/11/30 12:00:00
中国标准分类号：C43
国际标准分类号：11.040.50
适用范围：This part of IEC 62220 specifies the method for the determination of the DETECTIVE QUANTUMEFFICIENCY (DQE) of DIGITAL X-RAY IMAGING DEVICES as a function of AIR KERMA and of SPATIALFREQUENCY for the working conditions in the range of the medical application as specified bythe MANUFACTURER. The intended users of this part of IEC 62220 are manufacturers and wellequipped test laboratories.This Part 1-2 is restricted to DIGITAL X-RAY IMAGING DEVICES that are used for mammographicimaging such as but not exclusively, CR systems, direct and indirect flat panel detector basedsystems, scanning systems (CCD based or photon-counting). This part of IEC 62220 is notapplicable to– DIGITAL X-RAY IMAGING DEVICES intended to be used in general radiography or in dentalradiography;– computed tomography;and– devices for dynamic imaging (where series of images are acquired, as in fluoroscopic orcardiac imaging).NOTE The devices noted above are excluded because they contain many parameters (for instance, beamqualities, geometry, time dependence, etc.) which differ from those important for mammography. Some of thesetechniques are treated in separate standards (IEC 62220-1 and IEC 62220-1-3) as has been done for other topics,for instance for speed and contrast, in IEC and ISO standards.