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    • 1. 发明申请
    • METHOD OF COLLECTING CALIBRATION DATA IN RADIATION TOMOGRAPHY APPARATUS
    • 收集辐射测量仪器中校准数据的方法
    • US20110278443A1
    • 2011-11-17
    • US13145786
    • 2009-01-23
    • Tetsuro MizutaYoshihiro InoueMasaharu AmanoKazumi TanakaAtsushi Ohtani
    • Tetsuro MizutaYoshihiro InoueMasaharu AmanoKazumi TanakaAtsushi Ohtani
    • G01D18/00
    • G01T1/1644G01T1/1648G01T1/2985
    • This invention has one object to provide a method of collecting calibration data in radiation tomography apparatus that allows reliable collection of calibration data with a wide detector ring. In order to achieve this purpose, in the method of collecting calibration data in radiation tomography apparatus according to this invention, the number of coincidence events is obtained while the phantom that emits annihilation gamma-ray pairs moves as to pass through an inner hole of the detector ring. Such configuration dose not need the phantom having a width equal or larger than the detector ring, and may realize reliable collection of calibration data. Moreover, it may be considered that annihilation gamma-ray pairs have been emitted in uniform property without depending on positions of the detector ring. As a result, calibration data that is more suitable for removal of a image artifact may be obtained.
    • 本发明的一个目的是提供一种在放射线断层摄影装置中收集校准数据的方法,其允许使用宽的检测器环可靠地收集校准数据。 为了实现这一目的,在根据本发明的放射线断层摄影装置中收集校准数据的方法中,获得符合事件的数量,同时发出湮灭伽马射线对的体模移动通过 探测器环。 这种配置不需要具有等于或大于检测器环的宽度的体模,并且可以实现校准数据的可靠收集。 此外,可以认为,湮没伽马射线对已经以均匀的性质发射,而不依赖于检测器环的位置。 结果,可以获得更适合去除图像伪像的校准数据。
    • 2. 发明授权
    • Method of collecting calibration data in radiation tomography apparatus
    • 辐射断层摄影仪中收集校准数据的方法
    • US08461518B2
    • 2013-06-11
    • US13145786
    • 2009-01-23
    • Tetsuro MizutaYoshihiro InoueMasaharu AmanoKazumi TanakaAtsushi Ohtani
    • Tetsuro MizutaYoshihiro InoueMasaharu AmanoKazumi TanakaAtsushi Ohtani
    • G01D18/00
    • G01T1/1644G01T1/1648G01T1/2985
    • This invention has one object to provide a method of collecting calibration data in radiation tomography apparatus that allows reliable collection of calibration data with a wide detector ring. In order to achieve this purpose, in the method of collecting calibration data in radiation tomography apparatus according to this invention, the number of coincidence events is obtained while the phantom that emits annihilation gamma-ray pairs moves as to pass through an inner hole of the detector ring. Such configuration dose not need the phantom having a width equal or larger than the detector ring, and may realize reliable collection of calibration data. Moreover, it may be considered that annihilation gamma-ray pairs have been emitted in uniform property without depending on positions of the detector ring. As a result, calibration data that is more suitable for removal of a image artifact may be obtained.
    • 本发明的一个目的是提供一种在放射线断层摄影装置中收集校准数据的方法,其允许使用宽的检测器环可靠地收集校准数据。 为了实现这一目的,在根据本发明的放射线断层摄影装置中收集校准数据的方法中,获得符合事件的数量,同时发出湮灭伽马射线对的体模移动通过 探测器环。 这种配置不需要具有等于或大于检测器环的宽度的体模,并且可以实现校准数据的可靠收集。 此外,可以认为,湮没伽马射线对已经以均匀的性质发射,而不依赖于检测器环的位置。 结果,可以获得更适合去除图像伪像的校准数据。
    • 3. 发明申请
    • MEDICAL DIAGNOSTIC IMAGING APPARATUS
    • 医学诊断成像装置
    • US20110288397A1
    • 2011-11-24
    • US13147419
    • 2009-02-03
    • Yoshihiro InoueMasaharu AmanoKazumi TanakaTetsuro MizutaAtsushi Ohtani
    • Yoshihiro InoueMasaharu AmanoKazumi TanakaTetsuro MizutaAtsushi Ohtani
    • A61B6/00
    • A61B6/0457A61B6/037A61B6/4417A61B6/5235
    • Provided is a medical image diagnosis apparatus which requires a small area for installation, has a short length in an axial direction of the apparatus, can reduce a problem of the strength of a top plate, and can simultaneously carry out dynamic PET-imaging of the entire body. A top plate (61) on which an examinee lies is moved through a tunnel of a CT gantry (2) and a PET gantry (3) to execute CT imaging and PET imaging. A PET unit consisting of a plurality (e.g. seven) of PET units (32) has a length of 2 m in the axis direction, the visual field thereof covers the whole body and the whole body can be simultaneously subjected to dynamic PET-imaging. For the maintenance of the PET gantry (3), the diagnosis apparatus is separated at an arbitrary PET unit (32) to be maintained, the apparatus slides on a rail (31) in the axis direction and is separated for maintenance operation. Accordingly, a large space for maintenance is not required and the area for installation is small.
    • 提供一种医疗图像诊断装置,其需要小的安装区域,在装置的轴向具有短的长度,可以减少顶板的强度的问题,并且可以同时进行动态PET成像 全身 受检者所在的顶板(61)通过CT机架(2)和PET机架(3)的隧道移动,以执行CT成像和PET成像。 由多个(例如七个)PET单元(32)组成的PET单元在轴线方向上具有2m的长度,其视野覆盖整个身体,并且全身可以同时进行动态PET成像。 为了维护PET龙门架(3),诊断装置在任意的PET单元(32)处被分离以保持,该装置在轨道(31)上在轴向上滑动并被分离用于维护操作。 因此,不需要大的维护空间,并且安装区域小。
    • 4. 发明授权
    • Radiation tomography apparatus
    • 辐射断层扫描仪
    • US08519341B2
    • 2013-08-27
    • US13145412
    • 2009-01-30
    • Atsushi OhtaniMasaharu AmanoYoshihiro InoueKazumi TanakaTetsuro Mizuta
    • Atsushi OhtaniMasaharu AmanoYoshihiro InoueKazumi TanakaTetsuro Mizuta
    • G01T1/166
    • G01T1/2985G01T1/1611
    • This invention has one object to provide radiation tomography apparatus that allows suppression of arithmetic load of detection data with a wider detector ring. In order to achieve this purpose, the radiation tomography apparatus according to this invention performs coincidence only when two scintillation counter crystals that detect gamma rays coincidentally (A) belong to the same ring unit, or (B) belong to each of the ring units adjacent to each other. Accordingly, a distance in the central axis direction between the radiation detecting elements is limited to be equal to or less than a thickness of the ring unit in the central axis direction. Accordingly, radiation tomography apparatus may be provided that allows generation of the sectional image suitable for diagnosis while arithmetic load is suppressed.
    • 本发明的一个目的是提供一种放射线断层摄影装置,其能够利用较宽的检测器环来抑制检测数据的算术负载。 为了达到这个目的,根据本发明的放射线断层摄影装置只有当两个同时检测伽马射线(A)的两个闪烁计数晶体属于相同的环单元时,或(B)属于相邻的每个环形单元 对彼此。 因此,辐射检测元件之间的中心轴方向的距离被限制为等于或小于环形单元在中心轴线方向上的厚度。 因此,可以提供放射线断层摄影装置,其允许在抑制运算负载的同时产生适于诊断的截面图像。
    • 5. 发明授权
    • Medical diagnostic imaging apparatus
    • 医疗诊断成像装置
    • US09060701B2
    • 2015-06-23
    • US13147419
    • 2009-02-03
    • Yoshihiro InoueMasaharu AmanoKazumi TanakaTetsuro MizutaAtsushi Ohtani
    • Yoshihiro InoueMasaharu AmanoKazumi TanakaTetsuro MizutaAtsushi Ohtani
    • A61B6/00A61B6/04A61B6/03
    • A61B6/0457A61B6/037A61B6/4417A61B6/5235
    • Provided is a medical image diagnosis apparatus which requires a small area for installation, has a short length in an axial direction of the apparatus, can reduce a problem of the strength of a top plate, and can simultaneously carry out dynamic PET-imaging of the entire body. A top plate (61) on which an examinee lies is moved through a tunnel of a CT gantry (2) and a PET gantry (3) to execute CT imaging and PET imaging. A PET unit consisting of a plurality (e.g. seven) of PET units (32) has a length of 2 m in the axis direction, the visual field thereof covers the whole body and the whole body can be simultaneously subjected to dynamic PET-imaging. For the maintenance of the PET gantry (3), the diagnosis apparatus is separated at an arbitrary PET unit (32) to be maintained, the apparatus slides on a rail (31) in the axis direction and is separated for maintenance operation. Accordingly, a large space for maintenance is not required and the area for installation is small.
    • 提供一种医疗图像诊断装置,其需要小的安装区域,在装置的轴向具有短的长度,可以减少顶板的强度的问题,并且可以同时进行动态PET成像 整个身体 受检者所在的顶板(61)通过CT机架(2)和PET机架(3)的隧道移动,以执行CT成像和PET成像。 由多个(例如七个)PET单元(32)组成的PET单元在轴线方向上具有2m的长度,其视野覆盖整个身体,并且全身可以同时进行动态PET成像。 为了维护PET龙门架(3),诊断装置在任意的PET单元(32)处被分离以保持,该装置在轨道(31)上在轴向上滑动并被分离用于维护操作。 因此,不需要大的维护空间,并且安装区域小。
    • 8. 发明申请
    • RADIATION TOMOGRAPHY APPARATUS
    • 辐射测量仪
    • US20110274241A1
    • 2011-11-10
    • US13145412
    • 2009-01-30
    • Atsushi OhtaniMasaharu AmanoYoshihiro InoueKazumi TanakaTetsuro Mizuta
    • Atsushi OhtaniMasaharu AmanoYoshihiro InoueKazumi TanakaTetsuro Mizuta
    • H05G1/60
    • G01T1/2985G01T1/1611
    • This invention has one object to provide radiation tomography apparatus that allows suppression of arithmetic load of detection data with a wider detector ring. In order to achieve this purpose, the radiation tomography apparatus according to this invention performs coincidence only when two scintillation counter crystals that detect gamma rays coincidentally (A) belong to the same ring unit, or (B) belong to each of the ring units adjacent to each other. Accordingly, a distance in the central axis direction between the radiation detecting elements is limited to be equal to or less than a thickness of the ring unit in the central axis direction. Accordingly, radiation tomography apparatus may be provided that allows generation of the sectional image suitable for diagnosis while arithmetic load is suppressed.
    • 本发明的一个目的是提供一种放射线断层摄影装置,其能够利用较宽的检测器环来抑制检测数据的算术负载。 为了达到这个目的,根据本发明的放射线断层摄影装置只有当两个同时检测伽马射线(A)的两个闪烁计数晶体属于相同的环单元时,或(B)属于相邻的每个环形单元 对彼此。 因此,辐射检测元件之间的中心轴方向的距离被限制为等于或小于环形单元在中心轴线方向上的厚度。 因此,可以提供放射线断层摄影装置,其允许在抑制运算负载的同时产生适于诊断的截面图像。
    • 10. 发明授权
    • Base carrier for tracklaying vehicle and hard facing method
    • 履带车和硬面法的基地承运人
    • US06414258B1
    • 2002-07-02
    • US09532891
    • 2000-03-22
    • Masaharu Amano
    • Masaharu Amano
    • B23K904
    • B62D55/125B23K9/046B23K2101/006B23K2101/008
    • The objects of the invention are: a weld overlay having stable quality is provided; cracks which have been created on a weld overlay during engagement of a part with its mating member are prevented from extending; and adverse effects on the wear of mating member are avoided. A weld overlay containing hard particles is formed on each tooth of a sprocket 6 such that each bead extending a direction (direction B) perpendicular to the rotating direction of the sprocket 6. A weld overlay containing hard particles is formed on the outer peripheral surface of a bushing such that each bead extends in a direction perpendicular to the rotating direction of the sprocket, the outer peripheral surface serving as a contact surface for the sprocket which engages with the bushing.
    • 本发明的目的是:提供质量稳定的焊接覆层; 防止在与其配合构件接合零​​件期间在焊接覆盖层上产生的裂纹延伸; 避免了配合部件磨损的不利影响。 在链轮6的每个齿上形成包含硬质颗粒的焊接覆盖层,使得每个焊道沿与链轮6的旋转方向垂直的方向(方向B)延伸。包含硬质颗粒的焊接覆盖层形成在 衬套,使得每个胎圈在垂直于链轮的旋转方向的方向上延伸,外周表面用作与衬套接合的链轮的接触表面。