Superconducting magnet and magnetic resonance imaging apparatus using the same
    1.
    发明授权
    Superconducting magnet and magnetic resonance imaging apparatus using the same 有权
    超导磁体和使用其的磁共振成像装置

    公开(公告)号:US07880574B2

    公开(公告)日:2011-02-01

    申请号:US11617765

    申请日:2006-12-29

    摘要: A superconducting magnet includes: first and second torus coolant containers substantially symmetrically, vertically arranged to have a space and a symmetrical plane therebetween for storing a coolant. Each of the first and second torus coolant containers includes therein a main coil bobbin with a main coil for generating a measurement magnetic field, a shield coil bobbin with a shield coil for generating a shielding magnetic field for suppressing outside leak of the measurement magnetic field, a plate member vertically reinforced at a plane thereof opposite to a plane thereof facing the symmetrical plane for supporting the shield coil bobbin and the main coil bobbin. The main coil bobbin is further supported by the shield coil bobbin, to cause the main coil to generate the measurement magnetic field having a substantially uniform magnetic field intensity at a middle region of the space. A magnetic resonance imaging apparatus using the superconducting magnet is also disclosed.

    摘要翻译: 超导磁体包括:第一和第二环形冷却剂容器,基本对称地垂直地布置成在其间具有用于存储冷却剂的空间和对称的平面。 第一和第二环面冷却剂容器中的每一个包括具有用于产生测量磁场的主线圈的主线圈架,具有用于产生用于抑制测量磁场的外部泄漏的屏蔽磁场的屏蔽线圈架的屏蔽线圈架, 在与面对对称平面的平面相对的平面上垂直加强的板构件,用于支撑屏蔽线圈架和主线圈架。 主线圈骨架由屏蔽线圈架线圈进一步支撑,使主线圈产生在该空间的中间区域具有大致均匀的磁场强度的测量磁场。 还公开了使用超导磁体的磁共振成像装置。

    SUPERCONDUCTING MAGNET AND MAGNETIC RESONANCE IMAGING APPARATUS USING THE SAME
    2.
    发明申请
    SUPERCONDUCTING MAGNET AND MAGNETIC RESONANCE IMAGING APPARATUS USING THE SAME 有权
    超导磁体和磁共振成像装置使用它

    公开(公告)号:US20070152789A1

    公开(公告)日:2007-07-05

    申请号:US11617765

    申请日:2006-12-29

    IPC分类号: H01F6/00

    摘要: A superconducting magnet includes: first and second torus coolant containers substantially symmetrically, vertically arranged to have a space and a symmetrical plane therebetween for storing a coolant. Each of the first and second torus coolant containers includes therein a main coil bobbin with a main coil for generating a measurement magnetic field, a shield coil bobbin with a shield coil for generating a shielding magnetic field for suppressing outside leak of the measurement magnetic field, a plate member vertically reinforced at a plane thereof opposite to a plane thereof facing the symmetrical plane for supporting the shield coil bobbin and the main coil bobbin. The main coil bobbin is further supported by the shield coil bobbin, to cause the main coil to generate the measurement magnetic field having a substantially uniform magnetic field intensity at a middle region of the space. A magnetic resonance imaging apparatus using the superconducting magnet is also disclosed.

    摘要翻译: 超导磁体包括:第一和第二环形冷却剂容器,基本对称地垂直地布置成在其间具有用于存储冷却剂的空间和对称的平面。 第一和第二环面冷却剂容器中的每一个包括具有用于产生测量磁场的主线圈的主线圈架,具有用于产生用于抑制测量磁场的外部泄漏的屏蔽磁场的屏蔽线圈架的屏蔽线圈架, 在与面对对称平面的平面相对的平面上垂直加强的板构件,用于支撑屏蔽线圈架和主线圈架。 主线圈骨架由屏蔽线圈架线圈进一步支撑,使主线圈产生在该空间的中间区域具有大致均匀的磁场强度的测量磁场。 还公开了使用超导磁体的磁共振成像装置。

    SUPERCONDUCTING MAGNET APPARATUS AND MAGNETIC RESONANCE IMAGING APPARATUS
    4.
    发明申请
    SUPERCONDUCTING MAGNET APPARATUS AND MAGNETIC RESONANCE IMAGING APPARATUS 有权
    超级磁铁装置和磁共振成像装置

    公开(公告)号:US20080024254A1

    公开(公告)日:2008-01-31

    申请号:US11780068

    申请日:2007-07-19

    IPC分类号: H01F6/00

    摘要: A superconducting magnet apparatus obtains high magnetic field uniformity without increasing the volume of a magnetic material even against disturbances. The superconducting magnet apparatus has a circular superconducting coil which generates a magnetic field; a coil vessel which contains the superconducting coil 11 together with refrigerant; a thermal shield arranged so as to surround the coil vessel; a vacuum vessel with inside kept vacuum which surrounds the thermal-shield; and magnetic materials and for correcting the magnetic field, the magnetic materials being arranged in the vacuum vessel; wherein the magnetic materials and are supported by a heat-insulation support medium fixed to the coil vessel.

    摘要翻译: 超导磁体设备即使抵抗干扰也能获得高磁场均匀性而不增加磁性材料的体积。 超导磁体装置具有产生磁场的圆形超导线圈, 包含超导线圈11和制冷剂的线圈容器; 布置成围绕线圈容器的热屏蔽; 具有围绕热屏蔽的内部保持真空的真空容器; 和磁性材料并用于校正磁场,磁性材料布置在真空容器中; 其中所述磁性材料由固定到所述线圈容器的绝热支撑介质支撑。

    Superconducting magnet and magnetic resonance imaging apparatus
    5.
    发明授权
    Superconducting magnet and magnetic resonance imaging apparatus 有权
    超导磁体和磁共振成像装置

    公开(公告)号:US07928820B2

    公开(公告)日:2011-04-19

    申请号:US12358612

    申请日:2009-01-23

    IPC分类号: H01F6/00 G01V3/00

    摘要: In a superconducting magnet, including a vacuum vessel, a coil vessel inside the vacuum vessel, and a superconducting coil inside the coil vessel for generating a magnetic field, has a magnetic member, disposed inside the vacuum vessel, supported with thermal insulation, for compensating the magnetic field; a heat exchange device disposed outside the vacuum vessel for supplying to or absorbing heat from the vacuum vessel; and thermal conducting members thermally connecting the heat exchange device via the vacuum vessel to the magnetic member. An MRI including the superconducting magnet is also disclosed.

    摘要翻译: 在包括真空容器的真空容器的超导磁体中,真空容器内部的线圈容器和用于产生磁场的线圈容器内的超导线圈具有设置在真空容器内的热绝缘支撑的磁性构件,用于补偿 磁场; 设置在所述真空容器外部的用于从所述真空容器供给或吸收热量的热交换装置; 以及导热构件,其通过所述真空容器将所述热交换装置热连接到所述磁性构件。 还公开了包括超导磁体的MRI。

    Magnet for NMR analyzer and NMR analyzer using the same
    6.
    发明授权
    Magnet for NMR analyzer and NMR analyzer using the same 失效
    用于NMR分析仪的磁体和使用其的NMR分析仪

    公开(公告)号:US07187175B2

    公开(公告)日:2007-03-06

    申请号:US11330185

    申请日:2006-01-12

    IPC分类号: G01V3/00

    CPC分类号: G01R33/3815

    摘要: A magnet for an NMR an analyzer includes a superconductor coil which is operated under a permanent current mode so as to generate a magnetic field in a space surrounded by the superconductor coil, and which enables a sample to be inserted into a measurement space in the magnetic space for analization. The superconductor coil includes a first access port for enabling access to the measurement space and a second access port for enabling insertion of the sample into the measurement space in a direction different from a direction of the first access port. An effective diameter of the first access port is larger than an effective diameter of the second access port when the effective diameters of the first and second access ports are defined as a diameter of a cylinder that is insertable into the first and second access ports.

    摘要翻译: 用于NMR的分析仪的磁体包括:超导体线圈,其在永久电流模式下操作,以在由超导体线圈围绕的空间中产生磁场,并且能够将样品插入磁性的测量空间 分析空间。 超导体线圈包括用于允许访问测量空间的第一访问端口和用于使样本能够沿与第一访问端口的方向不同的方向插入到测量空间中的第二访问端口。 当第一和第二进入口的有效直径被定义为可插入第一和第二进入口的圆筒的直径时,第一进入口的有效直径大于第二进入口的有效直径。

    Magnet for NMR analyzer and NMR analyzer using the same
    7.
    发明申请
    Magnet for NMR analyzer and NMR analyzer using the same 失效
    用于NMR分析仪的磁体和使用其的NMR分析仪

    公开(公告)号:US20060109006A1

    公开(公告)日:2006-05-25

    申请号:US11330185

    申请日:2006-01-12

    IPC分类号: G01V3/00

    CPC分类号: G01R33/3815

    摘要: A magnet for an NMR an analyzer includes a superconductor coil which is operated under a permanent current mode so as to generate a magnetic field in a space surrounded by the superconductor coil, and which enables a sample to be inserted into a measurement space in the magnetic space for analization. The superconductor coil includes a first access port for enabling access to the measurement space and a second access port for enabling insertion of the sample into the measurement space in a direction different from a direction of the first access port. An effective diameter of the first access port is larger than an effective diameter of the second access port when the effective diameters of the first and second access ports are defined as a diameter of a cylinder that is insertable into the first and second access ports.

    摘要翻译: 用于NMR的分析仪的磁体包括:超导体线圈,其在永久电流模式下操作,以在由超导体线圈围绕的空间中产生磁场,并且能够将样品插入磁性的测量空间 分析空间。 超导体线圈包括用于允许访问测量空间的第一访问端口和用于使样本能够沿与第一访问端口的方向不同的方向插入到测量空间中的第二访问端口。 当第一和第二进入口的有效直径被定义为可插入第一和第二进入口的圆筒的直径时,第一进入口的有效直径大于第二进入口的有效直径。

    SUPERCONDUCTING MAGNET WITH REFRIGERATOR AND MAGNETIC RESONANCE IMAGING APPARATUS USING THE SAME
    8.
    发明申请
    SUPERCONDUCTING MAGNET WITH REFRIGERATOR AND MAGNETIC RESONANCE IMAGING APPARATUS USING THE SAME 有权
    具有制冷器和磁共振成像装置的超级磁铁

    公开(公告)号:US20080180100A1

    公开(公告)日:2008-07-31

    申请号:US11942037

    申请日:2007-11-19

    摘要: A superconducting magnet includes: a superconducting coil for generating a static magnetic field; a refrigerant container for containing the superconducting coil and a refrigerant; a vacuum container for holding the refrigerant container in a vacuum state; a radiation shield between the refrigerant container and the vacuum container; a refrigerator for re-liquidfying the refrigerant; and a dynamic magnetic field shield. The refrigerator includes: first and second regenerative refrigerants. The dynamic magnetic field shield is an electric good conductor and arranged around the first regenerative refrigerant along a motion axis of the first regenerative refrigerant, wherein a direction of the motion axis is aligned with a direction of a magnetic force line of the static magnetic field at the first regenerative refrigerant.

    摘要翻译: 超导磁体包括:用于产生静磁场的超导线圈; 用于容纳超导线圈和制冷剂的制冷剂容器; 用于将制冷剂容器保持在真空状态的真空容器; 在制冷剂容器和真空容器之间的辐射屏蔽; 用于重新液化制冷剂的冰箱; 和动态磁场屏蔽。 冰箱包括:第一和第二再生制冷剂。 所述动态磁场屏蔽是电导体,沿着所述第一再生制冷剂的运动轴围绕所述第一再生制冷剂配置,其中所述运动轴的方向与所述静磁场的磁力线的方向对齐, 第一个再生制冷剂。

    Magnet for NMR analyzer and NMR analyzer using the same
    9.
    发明授权
    Magnet for NMR analyzer and NMR analyzer using the same 失效
    用于NMR分析仪的磁体和使用其的NMR分析仪

    公开(公告)号:US07336077B2

    公开(公告)日:2008-02-26

    申请号:US11600039

    申请日:2006-11-16

    IPC分类号: G01V3/00

    CPC分类号: G01R33/3815

    摘要: A magnet for an NMR analyzer includes a superconductor coil for generating a magnetic field in a magnetic space surrounded by the superconductor coil. The superconductor coil has a shim coil group disposed at least one of inside and outside of the superconducting coil. The superconducting coil provides a first access port for receiving a probe inserted into the magnetic space along a central axis thereof and a second access port having one end for receiving a sample tube containing a sample inserted into the magnetic space in a direction transverse to the central axis of the magnetic space. The second access port is open at an other end thereof.

    摘要翻译: 用于NMR分析仪的磁体包括用于在由超导体线圈包围的磁空间中产生磁场的超导体线圈。 超导体线圈具有设置在超导线圈的内部和外部中的至少一个的衬垫线圈组。 超导线圈提供第一进入端口,用于接收沿着其中心轴线插入到磁性空间中的探针,第二进入端口具有一端,用于接收包含沿横向于中心的方向插入到磁性空间中的样本的样本管 轴的磁空间。 第二进入口在另一端开放。

    Superconducting magnet with refrigerator and magnetic resonance imaging apparatus using the same
    10.
    发明授权
    Superconducting magnet with refrigerator and magnetic resonance imaging apparatus using the same 有权
    具有冰箱的超导磁体和使用其的磁共振成像装置

    公开(公告)号:US07714574B2

    公开(公告)日:2010-05-11

    申请号:US11942037

    申请日:2007-11-19

    IPC分类号: G01V3/00

    摘要: A superconducting magnet includes: a superconducting coil for generating a static magnetic field; a refrigerant container for containing the superconducting coil and a refrigerant; a vacuum container for holding the refrigerant container in a vacuum state; a radiation shield between the refrigerant container and the vacuum container; a refrigerator for re-liquidfying the refrigerant; and a dynamic magnetic field shield. The refrigerator includes: first and second regenerative refrigerants. The dynamic magnetic field shield is an electric good conductor and arranged around the first regenerative refrigerant along a motion axis of the first regenerative refrigerant, wherein a direction of the motion axis is aligned with a direction of a magnetic force line of the static magnetic field at the first regenerative refrigerant.

    摘要翻译: 超导磁体包括:用于产生静磁场的超导线圈; 用于容纳超导线圈和制冷剂的制冷剂容器; 用于将制冷剂容器保持在真空状态的真空容器; 在制冷剂容器和真空容器之间的辐射屏蔽; 用于重新液化制冷剂的冰箱; 和动态磁场屏蔽。 冰箱包括:第一和第二再生制冷剂。 所述动态磁场屏蔽是电导体,沿着所述第一再生制冷剂的运动轴围绕所述第一再生制冷剂配置,其中所述运动轴的方向与所述静磁场的磁力线的方向对齐, 第一个再生制冷剂。