摘要
该文介绍了CT球管的技术基础与最新进展,重点讨论了材料创新、超导技术、液态金属轴承、低剂量扫描及电子束过滤等方面的技术突破。作为CT设备的核心部件,CT球管的技术革新显著提升了图像质量、降低了辐射剂量、提高了效率,并延长了球管的使用寿命。国内外厂商在CT球管领域取得了显著进展,国内如中电科十二所等在CT球管研发方面取得重要进展,成功实现了高端CT球管的自主研发;国外如西门子、GE、飞利浦等厂商则在液态金属轴承、超导技术、新型靶材等方面持续创新,保持技术领先。未来,CT球管将朝着个性化、智能化、长寿命、小型化和便携化方向发展,为医学影像诊断提供更精准、低风险的技术支持。
In this paper,the technical basis and latest progress of X-ray tube for CT systems are introduced,with emphasis on material innovation,superconducting technology,liquid metal bearing,low dose scanning and electron beam filtration.As the core component of CT equipment,the technological innovation of CT X-ray tubes significantly improves image quality,reduces radiation dose,improves efficiency,and extends the service life of the X-ray tubes.Domestic and foreign manufacturers have made remarkable progress in the field of CT X-ray tubes.Domestic manufacturers,such as the 12th Institute of CLP,have made important progress in the development of CT X-ray tubes,and successfully achieved independent research and development of high-end CT X-ray tubes.Foreign manufacturers such as Siemens,GE,Philips and other manufacturers continue to innovate in liquid metal bearings,superconducting technology,new targets and other aspects to maintain technology leadership.In the future,CT X-ray tubes will develop in the direction of personalization,intelligence,long life,miniaturization and portability,providing more accurate and low-risk technical support for medical image diagnosis.
作者
张海洋
季智勇
姜瑞瑶
ZHANG Haiyang;JI Zhiyong;JIANG Ruiyao(Engineering College,Shanghai Ocean University,Shanghai,201306;Department of Medical Equipment,Shanghai Sixth People’s Hospital,Shanghai,200233)
出处
《中国医疗器械杂志》
2025年第4期383-388,共6页
Chinese Journal of Medical Instrumentation
基金
国家重点研发计划重点专项(2023YFC2414604)。
关键词
计算机断层扫描
球管
医学技术
computed tomography(CT)
X-ray tube
medical technology
