数字化时代自动曝光控制技术在医用普通放射类设备中的实现方式  

Implementation of automatic exposure control technology in medical general radiography equipment in digital era

作　　者：唐文会 徐帅 张文峰 TANG Wen-hui;XU Shuai;ZHANG Wen-feng(Department of medical Equipment,The Second Children and Women's Healthcare Hospital of Jinan,Jinan 271199,China;不详)

机构地区：[1]济南市第二妇幼保健院设备科,山东济南271199 [2]山东新华医疗器械股份有限公司,山东淄博255000 [3]济南市第二妇幼保健院护理部,山东济南271199

出　　处：《中国医学装备》2022年第2期199-201,共3页China Medical Equipment

摘　　要：通过讨论自动曝光控制(AEC)系统高压发生器的工作原理,分析电离室AEC系统、影像增强器电荷耦合器件(CCD)数字胃肠AEC系统、乳腺DR预曝光AEC系统和平板探测器自动曝光控制(DAEC)系统的实现方式。经对比分析DAEC系统和传统电离室AEC系统,在摄影图像和射线损失率等方面,DAEC系统具有更低剂量、更精确便捷和更智能的优势,可以更好的服务于临床工作。The implementation methods of ionization chamber AEC system,image intensifier charge-coupled device(CCD)digital gastrointestinal AEC system,breast DR pre-exposure AEC system and flat panel detector automatic exposure control(DAEC)system was analyzed by introducing the operating principle of high voltage generator of AEC system.Compared with DAEC system and traditional ionization chamber AEC system,DAEC system had the advantages of lower dose,more accuracy,more convenience and more intelligence in photographic image and radiation loss rate,and could better serve the clinical work.

关 键 词：自动曝光控制(AEC) 电离室 影像增强器 乳腺钼靶 平板探测器 X射线机 

分 类 号：R812[医药卫生—放射医学]