医用CT球管国内外现状及发展趋势  

Domestic and Foreign Situation and Development Trend of Medical CT X-Ray Tubes

作　　者：石灵[1] 张富治[1] 王瑞海[1] 王宇红[1] SHI Ling;ZHANG Fu-zhi;WANG Rui-hai;WANG Yu-hong(Beijing Vacuum Electronics Research Institute, Beijing 100015, China)

机构地区：[1]北京真空电子技术研究所,北京100015

出　　处：《真空电子技术》2018年第2期61-64,68,共5页Vacuum Electronics

摘　　要：随着医学影像技术的发展和CT检查的普及,作为CT机昂贵耗材的CT球管其性能和需求增速很快。本文从CT球管的原理、结构、关键技术及应用上进行了剖析,对近年来在CT球管的新技术进行了详细的介绍,目前CT球管正朝着更高功率、更可靠和长寿命方向发展。文中还对国内外球管企业现状和技术水平进行了比较分析。With the developing medical image technology and popularization of CT examination,the CT X-ray tube,as an expensive consumable part of the CT machine,has a fast market demand growing and the performance of it is improved quickly.The working principle,structure,key technology and application ofthe CT X-ray tubeare analyzed in this paper,and the new technology of it in recent years is introduced in detail.The development direction of the CT X-ray tube is to higher output power,higher reliability and longer working life.Present situation and technology of the CT X-ray tube both at home and abroad are compared and analyzed.

关 键 词：CT球管 高速旋转靶 液态金属轴承 

分 类 号：TH774[机械工程—仪器科学与技术]