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医用X线电视系统最早在 2 0世纪 5 0年代由荷兰和美国率先制造 ,经过数十年的发展和更新换代于八十年代又出现了数字透视技术 ,当时由于技术所限图像噪声较多 ,到九十年代影像质量才得到明显改善。数字胃肠透视技术是计算机与X线放射技术相结合的产物。VS - 2 0D是日本岛津于 2
The medical X-ray television system was firstly manufactured by the Netherlands and the United States in the 1950s. After decades of development and replacement, the digital radiography appeared again in the 1980s. At that time, due to the limited technical noise, By the 1990s the image quality was significantly improved. Digital gastrointestinal fluoroscopy is a combination of computer and X-ray radiography. VS - 20D is Shimadzu in Japan