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    • 31. 发明专利
    • X-ray ct apparatus
    • X射线CT装置
    • JP2012024215A
    • 2012-02-09
    • JP2010164508
    • 2010-07-22
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • KANAMARU SHUNMATSUDA KEIJIOISHI HIROYUKINAKAYAMA MICHITOISO MACHIKO
    • A61B6/03
    • A61B6/4488
    • PROBLEM TO BE SOLVED: To provide an X-ray CT apparatus performing temperature control of an X-ray detection part without using a heating means such as a heater.SOLUTION: The X-ray CT apparatus includes a rotation base mounted with a plurality of units including an X-ray generation part irradiating X-rays to a test subject and the X-ray detection part detecting the X-rays transmitted through the test subject. The X-ray CT apparatus also includes a path part communicating the X-ray detection part, the X-ray generation part, and at least one of the other units except the X-ray detection part. The X-ray CT apparatus further includes an air supply part sending air of the other unit to the X-ray detection part through the path part. The X-ray CT apparatus also includes a temperature measurement part measuring a temperature inside the X-ray detection part. The X-ray CT apparatus also includes a control part performing operation control of the air supply part based on a measurement result by the temperature measurement part.
    • 要解决的问题:提供一种在不使用加热器等加热装置的情况下进行X射线检测部的温度控制的X射线CT装置。 解决方案:X射线CT装置包括:旋转基座,其安装有多个单元,所述多个单元包括将X射线照射到测试对象的X射线产生部分,以及X射线检测部件,其检测透射的X射线 考试科目。 X射线CT装置还包括使X射线检测部,X射线产生部以及X射线检测部以外的其他单元中的至少一个进行通信的路径部。 X射线CT装置还包括通过路径部分将另一单元的空气发送到X射线检测部分的供气部。 X射线CT装置还包括测量X射线检测部内的温度的温度测量部。 X射线CT装置还包括基于温度测量部分的测量结果执行对供气部分的操作控制的控制部分。 版权所有(C)2012,JPO&INPIT
    • 32. 发明专利
    • X-ray ct device
    • X射线CT设备
    • JP2009261456A
    • 2009-11-12
    • JP2008111383
    • 2008-04-22
    • Toshiba CorpToshiba Medical Systems Corp東芝メディカルシステムズ株式会社株式会社東芝
    • MATSUDA KEIJI
    • A61B6/03
    • PROBLEM TO BE SOLVED: To provide an X-ray CT device which does not cost much, simplifies an X-ray detection structure, and obtains two or more kinds of reconfiguration images different in X-ray energy at the same cross section position.
      SOLUTION: The X-ray CT device 1 is provided with: an X-ray radiator 3c for radiating X-ray to an examinee M; an X-ray detector 3e in which a plurality of scintillators for emitting fluorescence by incidence of the X-ray are arranged in a grid shape, which has a scintillator block where two different kinds of scintillator columns different in X-ray energy characteristic are arranged in four rows or more by turns, and detects X-ray transmitting the examinee M; a data collection part 3f for collecting X-rays detected by the X-ray detector 3e as X-ray transmission data; and an image reconfiguration part which sorts X-ray transmission data into two kinds or more energy data different in X-ray energy and reconfigures two kinds or more tomographic images differing in X-ray energy by matching positions in the body axis direction of the examinee.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:为了提供一种X射线CT测量装置,其成本不高,简化了X射线检测结构,并且获得了在相同截面处X射线能量不同的两种或更多种重构图像 位置。 解决方案:X射线CT装置1设置有:用于向受检者M照射X射线的X射线辐射体3c; X射线检测器3e,其中用于通过X射线入射发射荧光的多个闪烁体排列成格子形状,其具有布置有X射线能量特性不同的两种不同种类的闪烁体列的闪烁体块 四列或更多圈,并检测发送被检者M的X射线; 用于将由X射线检测器3e检测的X射线收集为X射线透射数据的数据收集部3f; 以及将X射线透射数据分割为X射线能量不同的两种以上的能量数据的图像重新配置部,并且通过匹配被检体的体轴方向的位置来重新配置X射线能量不同的两种以上的断层图像 。 版权所有(C)2010,JPO&INPIT
    • 34. 发明专利
    • X-ray ct system
    • X射线CT系统
    • JP2009000574A
    • 2009-01-08
    • JP2008259875
    • 2008-10-06
    • Toshiba Corp株式会社東芝
    • NAKANISHI SATORUMATSUDA KEIJISHINDO YASUTAKAOKUMURA YOSHIKAZU
    • A61B6/03
    • PROBLEM TO BE SOLVED: To provide an X-ray CT system etc. in which the center of an X-ray radiated from an X-ray tube can be accurately adjusted so as to coincide with the center of a detector. SOLUTION: An X-ray beam is radiated from an X-ray tube 101 in a first configuration wherein an X-ray diaphragm means is made to have a first diaphragm width and a slice width is made to be a first slice width larger than the first diaphragm width to acquire output values from two lines of detector elements at an equal distance with respect to the body axis direction of the subject from the center of a detector 103. Furthermore, an X-ray beam is radiated from the X-ray tube 101 in a second configuration wherein an X-ray diaphragm means is made to have a second diaphragm width larger than the first slice width to acquire output values from the same two lines of detector elements. By calculating predetermined indices from output values relating to the first and second configurations and comparing the index with a preliminarily prepared correspondence table, a center shift amount between the X-ray tube and the detector is calculated. The X-ray tube or the detector is adjusted in the body axis direction position based on the shift amount. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种X射线CT系统等,其中可以精确地调整从X射线管辐射的X射线的中心,使其与检测器的中心一致。 解决方案:X射线束以X射线管101的第一配置辐射,其中X射线光阑装置具有第一光阑宽度,并且切片宽度被制成第一切片宽度 大于第一光阑宽度以从检测器103的中心相对于被摄体的身体轴线方向以相等的距离从两条检测器元件获取输出值。此外,X射线束从X 在第二构造中的射线管101,其中使得X射线光阑装置具有大于第一切片宽度的第二光阑宽度,以从相同的两行检测器元件获取输出值。 通过从与第一和第二配置相关的输出值计算预定指数并将索引与预先准备的对应表进行比较,计算X射线管与检测器之间的中心偏移量。 X射线管或检测器根据移动量在体轴方向位置上进行调整。 版权所有(C)2009,JPO&INPIT