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进行心、血管系统X线造影检查,必须配有快速换片机,以便连续拍片,取得血流动态功能的X线图象,供临床诊断的研究分析。因此,快速换片机是随同X线造影技术发展起来的一个重要技术设备。近几年来,国内不少地方开展快速换片机的研制,已有上海、无锡、苏州等地的医疗单位与器械生产单位密切配合,先后试制成功“8片循环式快速换片机”。这种类型的换片机可在约0.3秒钟内换片一张,连续拍摄10×12胶片8张,既可水平方向换片,
For heart, angiography X-ray examination, must be equipped with quick change machine, in order to continuous film, to obtain blood flow dynamic X-ray images for clinical diagnosis and analysis. Therefore, the rapid changer is the same X-ray angiography technology developed an important technical equipment. In recent years, many places in China have carried out the development of rapid changer machines. In recent years, medical units in Shanghai, Wuxi and Suzhou have cooperated closely with the equipment production units and succeeded in trial production of “8-cycle rapid changer machines”. This type of changer in about 0.3 seconds to change a film, continuous filming 10 × 12 film 8, both horizontal change,