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    • 12. 发明申请
    • Medical X-ray apparatus
    • 医用X光装置
    • US20110064188A1
    • 2011-03-17
    • US12806694
    • 2010-08-19
    • Masakazu SuzukiHideki YoshikawaTakahiro YoshimuraMakoto Honjo
    • Masakazu SuzukiHideki YoshikawaTakahiro YoshimuraMakoto Honjo
    • A61B6/14G01N23/04A61B6/00
    • A61B6/14A61B6/4233A61B6/469
    • A medical X-ray apparatus comprising a supporting part for supporting an X-ray generator and a two-dimensional X-ray detector while interposing an object to be examined therebetween, a radiation area restricting part for restricting a radiation area of X-ray generated from the X-ray generator, and a scan driving part for scanning the object with the X-ray restricted by the radiation area restricting part as X-ray beam and for executing radiography. A direction intersecting with X-ray scan direction is defined as a height direction, the apparatus further comprises a radiation area setting part for setting at least one of both ends of width of the X-ray beam in the height direction at a desired position in accordance with the position of an interested area of the object; and the X-ray beam is irradiated only to the radiation area as set by the radiation area setting part with its beam width in height direction restricted by the radiation area restricting part.
    • 一种医用X射线设备,包括:用于支撑X射线发生器的支撑部件和二维X射线检测器,同时插入待检测物体;辐射区域限制部件,用于限制产生的X射线的辐射面积; 以及扫描驱动部件,用于利用被辐射区域限制部分限制的X射线作为X射线束扫描物体并执行射线照相。 将与X射线扫描方向相交的方向定义为高度方向,该装置还包括用于将X射线束的宽度的两端的高度方向的两端中的至少一端的高度方向上的至少一方设置在期望位置的放射线区域设定部 按照物体的感兴趣区域的位置; 并且X射线束仅照射由辐射区域设定部分设定的辐射区域,其宽度在高度方向上被辐射区域限制部分限制。
    • 13. 发明申请
    • Unit for X-Ray CT Imaging and X-Ray Imaging Apparatus
    • X射线CT成像和X射线成像仪的单位
    • US20090052616A1
    • 2009-02-26
    • US11918197
    • 2006-04-11
    • Makoto HonjoTakahiro Yoshimura
    • Makoto HonjoTakahiro Yoshimura
    • H01J31/50A61B6/00
    • A61B6/14A61B6/032A61B6/548
    • A unit for X-ray CT imaging to be set in a panorama X-ray imaging apparatus having a cassette holder has a digital sensor cassette for CT imaging to be set in the cassette holder, includes a two-dimensional X-ray detector for acquiring X-ray projection data for CT imaging of an object, and a controller for controlling a timing of X-ray CT imaging, a radiation field of X-ray beam generated by the X-ray detector, and the rotary device. Alternatively, the unit has the digital sensor cassette for X-ray CT imaging, an image reconstructor which calculates to convert the X-ray projection data obtained with the two-dimensional X-ray detector to a distribution of X-ray absorption coefficients of the object and creates tomographic image data of sections of the object, and an image processor which sends and receives signals for X-ray CT imaging between the X-ray detector and the image reconstructor when the digital sensor cassette for CT imaging is set in the cassette holder.
    • 在具有盒座的全景X射线成像设备中设置用于X射线CT成像的单元,具有用于CT成像的数字传感器盒被设置在盒座中,包括用于获取的二维X射线检测器 用于物体的CT成像的X射线投影数据和用于控制X射线CT成像的定时的控制器,由X射线检测器产生的X射线束的辐射场和旋转装置。 或者,该单元具有用于X射线CT成像的数字传感器盒,图像重建器,其计算将用二维X射线检测器获得的X射线投影数据转换为X射线吸收系数的分布 对象并且产生对象的部分的断层图像数据,以及当用于CT成像的数字传感器盒被设置在盒中时,在X射线检测器和图像重构器之间发送和接收用于X射线CT成像的信号的图像处理器 持有人
    • 14. 发明授权
    • Medical X-ray apparatus
    • 医用X光装置
    • US08588364B2
    • 2013-11-19
    • US12806694
    • 2010-08-19
    • Masakazu SuzukiHideki YoshikawaTakahiro YoshimuraMakoto Honjo
    • Masakazu SuzukiHideki YoshikawaTakahiro YoshimuraMakoto Honjo
    • A61B6/14
    • A61B6/14A61B6/4233A61B6/469
    • A medical X-ray apparatus comprising a supporting part for supporting an X-ray generator and a two-dimensional X-ray detector while interposing an object to be examined therebetween, a radiation area restricting part for restricting a radiation area of X-ray generated from the X-ray generator, and a scan driving part for scanning the object with the X-ray restricted by the radiation area restricting part as X-ray beam and for executing radiography. A direction intersecting with X-ray scan direction is defined as a height direction, the apparatus further comprises a radiation area setting part for setting at least one of both ends of width of the X-ray beam in the height direction at a desired position in accordance with the position of an interested area of the object; and the X-ray beam is irradiated only to the radiation area as set by the radiation area setting part with its beam width in height direction restricted by the radiation area restricting part.
    • 一种医用X射线设备,包括:用于支撑X射线发生器的支撑部件和二维X射线检测器,同时插入待检测物体;辐射区域限制部件,用于限制产生的X射线的辐射面积; 以及扫描驱动部件,用于利用被辐射区域限制部分限制的X射线作为X射线束扫描物体并执行射线照相。 将与X射线扫描方向相交的方向定义为高度方向,该装置还包括用于将X射线束的宽度的两端的高度方向的两端中的至少一端的高度方向上的至少一方设置在期望位置的放射线区域设定部 按照物体的感兴趣区域的位置; 并且X射线束仅照射由辐射区域设定部分设定的辐射区域,其宽度在高度方向上被辐射区域限制部分限制。
    • 15. 发明授权
    • X-ray imaging apparatus
    • X射线成像装置
    • US08498375B2
    • 2013-07-30
    • US13046450
    • 2011-03-11
    • Masakazu SuzukiHideki YoshikawaMakoto Honjo
    • Masakazu SuzukiHideki YoshikawaMakoto Honjo
    • A61B6/14
    • H01J35/08A61B6/032A61B6/06A61B6/08A61B6/14A61B6/4476A61B6/587
    • An X-ray imaging apparatus includes an X-ray generation part, an X-ray detection part, and a revolution drive mechanism. The X-ray generation part has an X-ray generator including a cathode and an anode, and emits an X-ray beam from the X-ray generator. The X-ray detection part detects the X-ray beam. The revolution drive mechanism performs X-ray imaging by revolving the X-ray generation part and the X-ray detection part around the object while the X-ray generation part and the X-ray detection part are opposed to each other with said object interposed therebetween. The X-ray imaging apparatus controls a restriction part to thereby restrict an X-ray transmission in such a manner that the focal spot size of an X-ray beam used in X-ray CT imaging of a relatively narrow imaging region is smaller than the focal spot size of an X-ray beam used in X-ray CT imaging of a relatively large imaging region.
    • X射线成像装置包括X射线产生部,X射线检测部和旋转驱动机构。 X射线产生部具有包括阴极和阳极的X射线发生器,并且从X射线发生器发射X射线束。 X射线检测部检测X射线束。 旋转驱动机构通过在X射线产生部和X射线检测部彼此相对的同时使X射线产生部和X射线检测部围绕物体旋转来进行X射线成像, 之间。 X射线成像装置控制限制部分,从而限制X射线透射,使得在相对窄的成像区域的X射线CT成像中使用的X射线束的焦斑尺寸小于 用于相对大的成像区域的X射线CT成像中的X射线束的焦点尺寸。
    • 16. 发明申请
    • X-Ray Imaging Apparatus
    • X射线成像仪
    • US20110222646A1
    • 2011-09-15
    • US13046450
    • 2011-03-11
    • Masakazu SUZUKIHideki YoshikawaMakoto Honjo
    • Masakazu SUZUKIHideki YoshikawaMakoto Honjo
    • A61B6/03G01N23/04
    • H01J35/08A61B6/032A61B6/06A61B6/08A61B6/14A61B6/4476A61B6/587
    • An X-ray imaging apparatus includes an X-ray generation part, an X-ray detection part, and a revolution drive mechanism. The X-ray generation part has an X-ray generator including a cathode and an anode, and emits an X-ray beam from the X-ray generator. The X-ray detection part detects the X-ray beam. The revolution drive mechanism performs X-ray imaging by revolving the X-ray generation part and the X-ray detection part around the object while the X-ray generation part and the X-ray detection part are opposed to each other with said object interposed therebetween. The X-ray imaging apparatus controls a restriction part to thereby restrict an X-ray transmission in such a manner that the focal spot size of an X-ray beam used in X-ray CT imaging of a relatively narrow imaging region is smaller than the focal spot size of an X-ray beam used in X-ray CT imaging of a relatively large imaging region.
    • X射线成像装置包括X射线产生部,X射线检测部和旋转驱动机构。 X射线产生部具有包括阴极和阳极的X射线发生器,并且从X射线发生器发射X射线束。 X射线检测部检测X射线束。 旋转驱动机构通过在X射线产生部和X射线检测部彼此相对的同时使X射线产生部和X射线检测部围绕物体旋转来进行X射线成像, 之间。 X射线成像装置控制限制部分,从而限制X射线透射,使得在相对窄的成像区域的X射线CT成像中使用的X射线束的焦斑尺寸小于 用于相对大的成像区域的X射线CT成像中的X射线束的焦点尺寸。
    • 20. 发明授权
    • X-ray CT imaging apparatus
    • X射线CT成像装置
    • US08300762B2
    • 2012-10-30
    • US12734656
    • 2008-11-14
    • Masakazu SuzukiTakahiro YoshimuraMakoto Honjo
    • Masakazu SuzukiTakahiro YoshimuraMakoto Honjo
    • A61B6/14G01N23/083H05G1/60H05G1/02
    • A61B6/587A61B6/032A61B6/14A61B6/4441
    • In an X-ray CT imaging, an X-ray generator (11) and a two-dimensional X-ray detector (21) are opposed to each other between an object and are rotated by a rotary shaft (32) around the object. At least one of the rotary shaft supporter (61) and an object holder (40) includes a movement mechanism (42, 65) for moving a supporter (30) for the X-ray generator and the X-ray detector relative to the object. In offset scan CT imaging, the rotation of the supporter by the rotary shaft is performed simultaneously with the relative two-dimensional movement of the rotary shaft by the movement mechanism. In the relative two-dimensional movement, the position of the rotary shaft is moved according to the rotary angle of the supporter along a circular orbit around the center of a CT imaging region in a plane crossing the rotary shaft. Thus, it becomes possible to image a larger region of interest of the object.
    • 在X射线CT成像中,X射线发生器(11)和二维X射线检测器(21)在物体之间彼此相对,并且通过旋转轴(32)围绕物体旋转。 旋转轴支撑件(61)和物体保持器(40)中的至少一个包括用于移动用于X射线发生器的支撑件(30)和相对于物体的X射线检测器的移动机构(42,65) 。 在偏移扫描CT成像中,旋转轴的支撑件的旋转与通过移动机构的旋转轴的相对二维运动同时进行。 在相对的二维运动中,旋转轴的位置沿着与旋转轴相交叉的平面中的CT成像区域的中心周围的圆形轨道的支撑体的旋转角度移动。 因此,可以对较大的对象区域进行成像。