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    • 3. 发明授权
    • Superconducting magnet apparatus and method of regulating magnetization
thereof
    • 超导磁体装置及其磁化强度的调节方法
    • US6037850A
    • 2000-03-14
    • US952722
    • 1998-01-16
    • Takao HonmeiHirotaka TakeshimaHajime KawanoYutaka TakumaMunenori KotabeNaoki MakiNobuhiro HaraShigeru KakugawaNoriaki Hino
    • Takao HonmeiHirotaka TakeshimaHajime KawanoYutaka TakumaMunenori KotabeNaoki MakiNobuhiro HaraShigeru KakugawaNoriaki Hino
    • H01F13/00G01R33/3815H01F6/00H01F1/00
    • H01F6/00G01R33/3815
    • A small-sized high-precision superconducting magnet apparatus which can prevent an occurrence of the principal factor in generating a quench and can restrain the magnetic flux from varying with time, and a method of regulating the magnetization of such a superconducting magnet apparatus, by which the superconducting magnet apparatus can be uniformly magnetized. Superconducting magnet apparatus of the present invention has: a cooling container; a holding medium for holding a persistent current therein, which is placed in said cooling container and is operative to generate a magnetic flux in a uniform magnetic field region (FOV); static-magnetic-field generating means composed of a plurality of cylinders using superconducting composite plate materials; a cylinder supporting base for holding the plurality of cylinders; and temperature regulating devices (not shown in FIG. 67) embedded in the cylinders, respectively. Magnetization of the static-magnetic-field generating means is performed by induction-magnetizing. Further, the regulation of a magnetization value of the static-magnetic-field generating means is regulated by controlling the temperature of the cylinders by means of the temperature regulating devices.
    • PCT No.PCT / JP97 / 00951 Sec。 371日期1998年1月16日 102(e)日期1998年1月16日PCT 1997年3月21日PCT公布。 出版物WO97 / 35328 日期1997年9月25日一种小型高精度超导磁体装置,其能够防止产生淬火的主要因素的发生并且可以抑制磁通量随时间变化,以及调节这种超导体的磁化的方法 磁铁装置可以使超导磁体装置均匀地磁化。 本发明的超导磁体装置具有:冷却容器; 用于保持持久电流的保持介质,其被放置在所述冷却容器中并且可操作以在均匀的磁场区域(FOV)中产生磁通量; 使用超导复合板材料的多个气缸构成的静磁场产生装置; 用于保持多个气缸的气缸支撑基座; 和分别嵌入在气缸中的温度调节装置(图67中未示出)。 通过感应磁化来进行静磁场产生装置的磁化。 此外,通过温度调节装置控制气缸的温度来调节静磁场产生装置的磁化值的调节。
    • 4. 发明授权
    • Medical X-ray apparatus
    • 医用X光装置
    • US06614871B1
    • 2003-09-02
    • US09937319
    • 2001-09-25
    • Takaaki KobikiTsutomu SuzukiYutaka Takuma
    • Takaaki KobikiTsutomu SuzukiYutaka Takuma
    • A61B600
    • A61B6/4441A61B6/035A61B6/4447A61B6/504
    • To a supporting frame having an opening portion used to insert a table for mounting thereon an object under examination along a horizontal direction, a rotary member rotated around the opening portion is mounted; and a medical X-ray apparatus is provided with a first supporting member supported by the rotation member, for supporting an X-ray tube apparatus which irradiates an X-ray to an object under examination; a second supporting member for supporting a detection apparatus for detecting a transmission X-ray of the object under examination, the second supporting member being supported by the rotary member and being arranged opposite to the X-ray tube apparatus; a rotation control apparatus for controlling a rotation of the rotary member; a control apparatus for setting an irradiation angle of said X-ray with respect to a body axial direction of the object under examination to an arbitrary irradiation angle, and also for arranging the detection apparatus opposite to the X-ray tube apparatus in correspondence with the set arbitrary irradiation angle; and an image processing apparatus for processing an output signal from the detection apparatus so as to produce both a two-dimensional image and a three-dimensional image. While these control apparatus and rotation control apparatus are controlled, both the X-ray tube apparatus and the detection apparatus are rotated around the object under examination. Alternatively, X-ray fluoroscopic operation is carried out along an arbitrary irradiation angle. An output signal derived from the detection apparatus is processed by an image processing apparatus so as to produce a two-dimensional image and/or a three-dimensional image. Then, the produced images are displayed on a display apparatus.
    • 在具有开口部的支撑框架中,沿着水平方向插入用于安装在其上的物体的台面,安装围绕开口部旋转的旋转构件; 医疗用X射线装置具备由旋转构件支承的第一支撑构件,用于支撑将X射线照射到检查对象物的X射线管装置; 第二支撑构件,用于支撑用于检测被检查物体的透射X射线的检测装置,所述第二支撑构件由所述旋转构件支撑并且与所述X射线管装置相对地布置; 旋转控制装置,用于控制旋转构件的旋转; 用于将所述X射线相对于被检查体的体轴方向的照射角度设定为任意的照射角度的控制装置,并且还用于将与X射线管装置相对的检测装置对应于 设定任意照射角度; 以及图像处理装置,用于处理来自检测装置的输出信号,以便产生二维图像和三维图像。 在控制这些控制装置和旋转控制装置的同时,X射线管装置和检测装置在检查对象物的周围旋转。 或者,沿着任意的照射角度进行X射线透视操作。 由检测装置得到的输出信号由图像处理装置处理,以产生二维图像和/或三维图像。 然后,将所产生的图像显示在显示装置上。