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数字减影血管造影（DigitalSubtractionAngiography）我们习惯上称之为“大C臂、小C臂或大DSA、小DSA”，小DSA是继大DSA发展之后，又一种趋向小型化，智能化，且安装简便，移动灵活等特点的C形臂装置。1DSA的工作原理数字减影血管造影（DSA）是利用计算机系统将造影部位注射造
Digital Subtraction Angiography (DigitalSubtractionAngiography) We used to call it “big C arm, small C arm or large DSA, small DSA”. Small DSA is another trend of miniaturization and intelligence after the development of DSA. Easy to install, mobile and flexible C-arm device. 1DSA works Digital subtraction angiography (DSA) is the use of computer systems to inject the imaging site