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1. 发明专利

JP2007159741A Magnetic resonance imaging apparatus and electromagnet device 审中-公开
标题翻译：磁共振成像装置和电子设备
公开(公告)号：JP2007159741A
公开(公告)日：2007-06-28
申请号：JP2005358350
申请日：2005-12-12
申请人： Hitachi Ltd , Hitachi Medical Corp , 株式会社日立メディコ , 株式会社日立製作所
发明人： FUJIMOTO RINTARO , ABE MITSUJI , ANDO TATSUYA , TAKEUCHI HIROYUKI , TAKESHIMA HIROTAKA
IPC分类号： A61B5/055 , G01R33/3815 , G01R33/3875 , H01F6/00
摘要： PROBLEM TO BE SOLVED: To provide a superconducting magnet apparatus generating a magnetic fields in apparatuses such as a magnetic resonance imaging apparatus (an MRI apparatus) which generates a large static magnetic field having high uniformity and high strength and provides a large effective space for receiving a subject. SOLUTION: Each of main coils (20) located in the vicinity of the effective space receiving a subject has a shape that its minimum inside diameter and maximum inside diameter crosses at right angles and in the middle of themselves (a race track shape or the like). The main coils (20) includes at least inner coils (22) and outer coils (21). Oblateness of the inner coils (22) are larger than that of the outer coils (21). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在诸如磁共振成像装置（MRI装置）等装置中产生磁场的超导磁体装置，其产生具有高均匀性和高强度的大静态磁场，并提供大的有效接收主题的空间。解决方案：位于接收对象的有效空间附近的主线圈（20）中的每个主要线圈（20）具有其最小内径和最大内径的直角与自身中间交叉的形状（赛道形状或类似物）。主线圈（20）至少包括内线圈（22）和外线圈（21）。内部线圈（22）的容积大于外侧线圈（21）的宽度。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2007159724A Magnetic resonance imaging apparatus and electromagnetic device 审中-公开
标题翻译：磁共振成像装置和电磁装置
公开(公告)号：JP2007159724A
公开(公告)日：2007-06-28
申请号：JP2005358128
申请日：2005-12-12
申请人： Hitachi Ltd , Hitachi Medical Corp , 株式会社日立メディコ , 株式会社日立製作所
发明人： ANDO TATSUYA , ABE MITSUJI , FUJIMOTO RINTARO , TAKEUCHI HIROYUKI , TAKESHIMA HIROTAKA
IPC分类号： A61B5/055
摘要： PROBLEM TO BE SOLVED: To provide a magnetic resonance imaging apparatus and an electromagnetic device, which are capable of forming a further uniform static magnetic field space.
SOLUTION: This electromagnetic device of the MRI apparatus is provided with at least a cylindrical vacuum container having a vertical cross section crossing orthogonally to the axis of an opening section of an inner cylinder formed into a race track shape. An annular refrigerant container disposed in the annular vacuum container surrounding the opening section is disposed with a pair of main coils 201, a pair of correction coils 202 and a shield coil 203 which have the race track shape respectively. Steel 6 as a magnetic body is disposed inside the correction coils 202 in the refrigerant container. The use of the annular coils with the race track shape can form the more uniform static magnetic field space than that of the axially symmetrical ones.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够形成更均匀的静态磁场空间的磁共振成像装置和电磁装置。解决方案：MRI装置的这种电磁装置设置有至少一个具有垂直横截面的圆柱形真空容器，该垂直横截面与形成为赛道形状的内圆筒的开口部分的轴线正交。设置在围绕开口部的环形真空容器内的环状制冷剂容器分别配置有分别具有赛道形状的一对主线圈201，一对校正线圈202和屏蔽线圈203。作为磁性体的钢6配置在制冷剂容器内的校正线圈202的内部。使用具有赛道形状的环形线圈可以形成比轴向对称的更均匀的静磁场空间。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2007159720A Magnetic resonance imaging apparatus and electromagnetic device 有权
标题翻译：磁共振成像装置和电磁装置
公开(公告)号：JP2007159720A
公开(公告)日：2007-06-28
申请号：JP2005357985
申请日：2005-12-12
申请人： Hitachi Ltd , Hitachi Medical Corp , 株式会社日立メディコ , 株式会社日立製作所
发明人： ABE MITSUJI , ANDO TATSUYA , FUJIMOTO RINTARO , TAKAHASHI MASANORI
IPC分类号： A61B5/055
摘要： PROBLEM TO BE SOLVED: To provide an MRI apparatus capable of expanding the imaging range of a subject and being miniaturized.
SOLUTION: This electromagnetic device of the MRI apparatus is provided with at least a cylindrical coil container having a vertical cross section orthogonally crossing with the axis of an opening section of an inner cylinder formed into a race track shape. A plurality of pairs of annular coils MC1, MC2 and SC1 formed into the race track shape and symmetrically disposed with some interval apart in the coil axis direction are provided in the coil container. Each annular coil has a pair of opposed arc portions and a pair of opposed linear portions and the pair of arc portions are connected together by the pair of linear portions to form the race track shape. The plurality of pairs of annular coils thus form a static magnetic field for the magnetic resonance imaging in the opening section of the coil container.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供能够扩大被检体的成像范围并小型化的MRI装置。解决方案：MRI装置的这种电磁装置设置有至少一个圆柱形线圈容器，其具有与形成为赛道形状的内筒的开口部分的轴线正交的垂直截面。在线圈容器中设置有成对形成轨道形状并且在线圈轴线方向上间隔一定间隔的多对环形线圈MC1，MC2和SC1。每个环形线圈具有一对相对的弧形部分和一对相对的直线部分，并且一对弧形部分通过一对直线部分连接在一起以形成赛道形状。因此，多对环形线圈在线圈容器的开口部分形成用于磁共振成像的静磁场。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2014057738A Corpuscular beam irradiation system and treatment planning device 有权
标题翻译：。AR。。。。。。。。。。。。。。。。。。
公开(公告)号：JP2014057738A
公开(公告)日：2014-04-03
申请号：JP2012204767
申请日：2012-09-18
申请人： Hitachi Ltd , 株式会社日立製作所 , Hokkaido Univ , 国立大学法人北海道大学
发明人： FUJII YUSUKE , FUJIMOTO RINTARO , UMEZAWA MASUMI , MATSUURA TAEKO , MIYAMOTO NAOKI , SHIMIZU SHINICHI , TORAMATSU CHIE , TAKAO SEISHIN , NIHONGI HIDEAKI , HIRATA YUICHI , UMEGAKI KIKUO
IPC分类号： A61N5/10
CPC分类号： A61N5/1067 , A61N5/103 , A61N5/1043 , A61N5/1049 , A61N2005/1087
摘要： PROBLEM TO BE SOLVED: To provide a corpuscular beam irradiation system and a treatment planning device capable of forming dose distribution as planned and reducing irradiation time (treatment time) in a corpuscular beam irradiation system by a scanning irradiation method.SOLUTION: An operation device 101 of a treatment planning device 41 determines an emission permission range for each irradiation position. A control device 48 of a corpuscular beam irradiation system by a scanning irradiation method changes the size of the emission permission range for each irradiation position using the emission permission range for each irradiation position determined by the operation device 101 of the treatment planning device 41, and emits the corpuscular beam.
摘要翻译：要解决的问题：提供一种能够通过扫描照射方法在粒子束照射系统中按计划形成剂量分布并减少照射时间（处理时间）的红细胞束照射系统和治疗计划装置。解决方案：操作装置101 治疗计划装置41确定每个照射位置的排放允许范围。通过扫描照射方法的粒子束照射系统的控制装置48使用由处理计划装置41的操作装置101确定的每个照射位置的发射允许范围来改变每个照射位置的发射允许范围的大小，以及发射红细胞束。

5. 发明专利

JP2011212078A Treatment planning device 审中-公开
标题翻译：治疗计划设备
公开(公告)号：JP2011212078A
公开(公告)日：2011-10-27
申请号：JP2010080743
申请日：2010-03-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAGAMINE YOSHIHIKO , SASAKI HAJIME , KAMIYAMA TAKUYA , FUJIMOTO RINTARO , MITSUYAMA SATOSHI
IPC分类号： A61N5/10 , A61B5/055 , A61B6/03 , G01T1/161
摘要： PROBLEM TO BE SOLVED: To provide a treatment planning device substantially improving work efficiency by quickly and flexibly changing a dose control region and a target dose value.SOLUTION: A tumor contour shape line 101 is generated from a plurality of pixels equivalent to a predetermined threshold among pixel values of nuclear medicine data 302, and a first tumor region 102a and a second tumor region 102b are displayed on a monitor 202. When the first tumor region 102a is selected from a menu screen and two sub region contour shape lines 103 are arranged side by side and drawn inside the first tumor region 102a using a mouse 201 while visually observing the nuclear medicine data 302, the first tumor region 102a, a first sub region 104a and a second sub region 104b are set as a dose control region 100. By inputting a target dose value to a blank corresponding to the dose control region on a target dose value input screen 600, a dose distribution is prepared.
摘要翻译：要解决的问题：提供通过快速且灵活地改变剂量控制区域和目标剂量值来大大提高工作效率的治疗计划装置。解决方案：从等于预定阈值的多个像素生成肿瘤轮廓线101 在核医学数据302的像素值和第一肿瘤区域102a和第二肿瘤区域102b之间显示在监视器202上。当从菜单屏幕中选择第一肿瘤区域102a时，布置两个子区域轮廓线103 并且在目视观察核医学数据302的同时，使用鼠标201在第一肿瘤区域102a内部吸引，将第一肿瘤区域102a，第一子区域104a和第二子区域104b设定为剂量控制区域100。通过在目标剂量值输入画面600上输入对应于剂量控制区域的空白的目标剂量值，准备剂量分布。

6. 发明专利

JP2010075584A Particle beam irradiation system, and method of controlling the same 有权
标题翻译：颗粒光束辐射系统及其控制方法
公开(公告)号：JP2010075584A
公开(公告)日：2010-04-08
申请号：JP2008249472
申请日：2008-09-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OKAZAKI TAKASHI , HIRAMOTO KAZUO , FUJITAKA SHINICHIRO , FUJIMOTO RINTARO , FUJII YUSUKE
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To provide a method and a device for carrying out irradiation to a target region in a short time in accordance with the shape of the target region that is moving for respiratory movement or the like.
SOLUTION: The system includes an accelerator 2 to accelerate a particle beam, a particle beam irradiation device 5 to irradiate the particle beam accelerated by the accelerator 2 to an irradiation object, and a position measuring device 6 to measure the moving width of the irradiation object. The particle beam irradiation device 6 includes a plurality of energy distribution expansion filters 24 having different thickness depending on the particle beam passage position. A control device 9 is provided for control to install either one of the energy distribution expansion filters 24 to a particle beam passage region of the particle beam irradiation device in accordance with the moving width measured by the position measuring device 6.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种根据移动呼吸运动等的目标区域的形状，在短时间内对目标区域进行照射的方法和装置。解决方案：该系统包括加速粒子束的加速器2，将由加速器2加速的粒子束照射到照射物体上的粒子束照射装置5以及测量移动宽度的位置测量装置6 照射物体。粒子束照射装置6包括根据粒子束通过位置而具有不同厚度的多个能量分布膨胀滤波器24。提供控制装置9，用于根据由位置测量装置6测量的移动宽度来控制将能量分配膨胀滤波器24中的任一个安装到粒子束照射装置的粒子束通过区域。版权所有：（C）2010，JPO＆INPIT

7. 发明专利

JP2006043235A Radiotherapy planning apparatus and radiotherapy planning method 有权
标题翻译：放射治疗计划和放射治疗方法
公开(公告)号：JP2006043235A
公开(公告)日：2006-02-16
申请号：JP2004230311
申请日：2004-08-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIMOTO RINTARO , NAGAMINE YOSHIHIKO , MATSUDA KOJI , FUJITAKA SHINICHIRO
IPC分类号： A61N5/10
摘要： PROBLEM TO BE SOLVED: To easily set a margin for reducing the influence of an error caused by the positioning.
SOLUTION: An affected region as a target of irradiation of radiation is specified, and irradiation parameter corresponding to the specified affected region is set. The quantity of displacement of the affected region is inputted, and the distribution of doses on the affected region and on a second affected region, displaced from the affected region by the inputted quantity of displacement, is calculated respectively by using the set parameter. Then, a plurality of regions where at least a prescribed dose of radiation is applied are extracted based on the calculated distribution of doses, and an irradiation region is set to include the extracted plurality of regions.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了容易地设置用于减少由定位引起的误差的影响的余量。
解决方案：指定作为辐射照射目标的受影响区域，设定与指定的受影响区域对应的照射参数。输入受影响区域的位移量，并且通过使用设定的参数分别计算受影响区域和第二受影响区域上从受影响区域移位输入的位移量的剂量分布。然后，基于所计算的剂量分布，提取至少施加了规定剂量的放射线的多个区域，并且将照射区域设定为包括提取的多个区域。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2014161706A Particle beam therapy system and range adjustment device 审中-公开
标题翻译：颗粒束治疗系统和范围调整装置
公开(公告)号：JP2014161706A
公开(公告)日：2014-09-08
申请号：JP2013038411
申请日：2013-02-28
申请人： Hitachi Ltd , 株式会社日立製作所 , Hokkaido Univ , 国立大学法人北海道大学
发明人： FUJITAKA SHINICHIRO , UMEZAWA MASUMI , FUJIMOTO RINTARO , MATSUDA KOJI , SHIRATO HIROKI , MATSUURA TAEKO , MIYAMOTO NAOKI , NIHONGI HIDEAKI , UMEGAKI KIKUO , HIRATA YUICHI
IPC分类号： A61N5/10
CPC分类号： A61N5/1077 , A61N2005/1087 , A61N2005/1095
摘要： PROBLEM TO BE SOLVED: To provide a range adjustment device and a particle beam therapy system capable of performing scanning irradiation with improved uniformity of radiation dose to the affected part compared with the prior art, thereby solving the problem that the radiation dose distribution SOBP in a depth direction is likely to degrade from a predetermined uniform distribution in a conventional elongated Bragg peak when a target moving due to breathing is irradiated for scanning.SOLUTION: A Bragg peak is enlarged by a structure in which a ridge filter part and a range shifter part are integrally fabricated, or a range adjustment device having a structure in which a ridge filter part and a range shifter part are disposed in contact with each other, or by arranging a plurality of range adjustment devices having the aforementioned structure.
摘要翻译：要解决的问题：提供一种距离调整装置和粒子束治疗系统，其能够与现有技术相比，能够对患部进行具有改善的辐射剂量均匀性的扫描照射，从而解决了在现有技术中辐射剂量分布SOBP 当由于呼吸而导致的目标移动被照射用于扫描时，深度方向可能从常规细长布拉格峰中的预定均匀分布降解。解决方案：布拉格峰通过其中脊过滤器部分和范围移位部分整体制造的范围调整装置，或具有将脊部过滤器部分和范围移动部件彼此接触设置的结构，或通过布置具有上述结构的多个范围调节装置的范围调整装置。

9. 发明专利

JP2009172262A Particle beam irradiation system 审中-公开
标题翻译：颗粒光束辐照系统
公开(公告)号：JP2009172262A
公开(公告)日：2009-08-06
申请号：JP2008015758
申请日：2008-01-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAYANAGI TAISUKE , FUJII YUSUKE , NAGAMINE YOSHIHIKO , HIRAMOTO KAZUO , FUJIMOTO RINTARO
IPC分类号： A61N5/10 , G21K5/00 , G21K5/04
摘要： PROBLEM TO BE SOLVED: To measure an irradiation field made by charged particle beams precisely even when a patient is irradiated with charged particle beams from any direction by using a patient couch having a rotating gantry and a plurality of degrees of freedom.
SOLUTION: The charged particle beam irradiation system is provided with: a charged particle beam generator 101 for generating charged particle beams; an irradiation apparatus 104 for emitting charged particle beams to an object to be irradiated; a couch 106 for holding the object to be irradiated; and a γ rays detector for detecting a prompt γ rays generated by the object to be irradiated. The couch 106 is provided with the γ rays detector.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：即使通过使用具有旋转机架和多个自由度的患者卧榻从患者从任何方向照射带电粒子束，也能精确地测量由带电粒子束产生的照射场。带电粒子束照射系统具有：用于产生带电粒子束的带电粒子束发生器101; 照射装置104，用于向被照射物体发射带电粒子束; 用于保持被照射物体的沙发106; 以及γ射线检测器，用于检测由被照射物体产生的迅速γ射线。沙发106设置有γ射线检测器。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009039219A Irradiation system and method for charged particle beam 有权
标题翻译：充电颗粒光束的辐射系统和方法
公开(公告)号：JP2009039219A
公开(公告)日：2009-02-26
申请号：JP2007205779
申请日：2007-08-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUJIMOTO RINTARO , OKAZAKI TAKASHI , FUJIMAKI HISATAKA , FUJITAKA SHINICHIRO , HIRAMOTO KAZUO , FUJII YUSUKE
IPC分类号： A61N5/10 , G21K5/00 , G21K5/04
摘要： PROBLEM TO BE SOLVED: To provide an irradiation system and a method for charged particle beam which reduces precision of an irradiation position of beams while ensuring safety to reduce the adjustment time for an accelerator and a beam transporting system.
SOLUTION: In the system equipped with a charged particle beam generating device 3 and an irradiating device 5 having scanning electromagnets 21A, 21B which deflect charged particle beams emitted from the device 3 for scanning on a scanning surface, the charged particle beam irradiation system is equipped with a second dose monitor 27 for detecting an irradiance level in each of a plurality of partitioned regions which are partitioned to have the scanning surface smaller than a cross-section area of the beams and an irradiation control device 6 which computes an integrated irradiance level in each of the partitioned regions when the beams of the same range are emitted by moving the positions on the scanning surface and halts the emission of the beams from the device 3 to the irradiating device 5 when the computed, integrated irradiance level is determined to exceed an acceptable value which is set and stored in advance.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种照射系统和带电粒子束的方法，其降低光束的照射位置的精度，同时确保安全性以减少加速器和光束传输系统的调节时间。解决方案：在装备有带电粒子束产生装置3的系统和具有扫描电磁体21A，21B的照射装置5中，扫描电磁体21A，21B使从装置3发射的用于扫描的扫描的带电粒子束偏转，带电粒子束照射系统配备有第二剂量监视器27，用于检测分隔成具有小于横梁的横截面积的扫描面的多个分割区域中的每一个中的辐照度水平;以及照射控制装置6，其计算积分当计算出的积分辐照度被确定时，通过移动扫描表面上的位置发射相同范围的光束并且将光束从装置3的发射停止到照射装置5时，在每个分割区域中的辐照度水平超过预先设定和存储的可接受值。版权所有（C）2009，JPO＆INPIT

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