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1. 发明申请

US20170332473A1 POLE INSERT FOR CYCLOTRON 审中-公开
公开(公告)号：US20170332473A1
公开(公告)日：2017-11-16
申请号：US15594525
申请日：2017-05-12
申请人： Ion Beam Applications, S.A.
发明人： Michel Abs , Szymon Zaremba
IPC分类号： H05H7/04 , H01F7/02 , H05H13/00
CPC分类号： H05H7/10 , H01F3/10 , H01F7/02 , H01F7/20 , H05H7/001 , H05H7/04 , H05H13/005 , H05H13/08 , H05H2007/002 , H05H2007/043
摘要： The present disclosure relates to a magnet pole for an isochronous sector-focused cyclotron having hill and valley sectors alternatively distributed around a central axis, Z, each hill sector having an upper surface bounded by four edges: an upper peripheral edge, an upper central edge, a first and a second upper lateral edges. The upper surface of at least one hill sector may further include: a recess extending over a length between a proximal end and a distal end along a longitudinal axis intersecting the upper peripheral edge and the upper central edge. The recess may be separate from the first and second upper lateral edges over at least 80% of its length, and a pole insert having a geometry fitting in the recess may be positioned in, and reversibly coupled to the recess.

2. 发明授权

US09776019B2 Particle beam therapy system 有权
公开(公告)号：US09776019B2
公开(公告)日：2017-10-03
申请号：US14132965
申请日：2013-12-18
申请人： HITACHI, LTD.
发明人： Kazuyoshi Saito , Takuya Nomura , Hideaki Nishiuchi
IPC分类号： H05H13/04 , H05H7/10 , A61N5/10 , H05H7/00
CPC分类号： A61N5/1077 , A61N2005/1087 , H05H7/10 , H05H13/04 , H05H2007/004
摘要： A particle beam therapy system is disclosed which includes: a synchrotron accelerating a charged particle beam injected from a pre-accelerator up to a predetermined energy level before applying a high-frequency voltage to an extraction device to extract the charged particle beam caused to exceed a stability limit; a beam transportation system transporting the charged particle beam extracted from the synchrotron up to a treatment room, and an irradiation device irradiating a patient in the treatment room with the charged particle beam in conformity to the patient's tumor shape. The synchrotron has functionality to accelerate or decelerate the charged particle beam successively to extract the charged particle beam at a plurality of energy levels during an extraction phase of the synchrotron, the beam transportation system further having functionality to block off an unnecessary charged particle beam extracted from the synchrotron during acceleration or deceleration.

3. 发明申请

US20170231081A1 MAGNETIC FIELD REGENERATOR 审中-公开
公开(公告)号：US20170231081A1
公开(公告)日：2017-08-10
申请号：US15441563
申请日：2017-02-24
申请人： Mevion Medical Systems, Inc.
发明人： Kenneth P. Gall , Gerrit Townsend Zwart , Jan Van der Laan , Ken Yoshiki Franzen
IPC分类号： H05H13/02 , A61N5/10 , H05H7/02 , H05H7/04 , H05H7/10
CPC分类号： H05H13/02 , A61N5/1077 , A61N2005/1087 , H05H7/02 , H05H7/04 , H05H7/10 , H05H2007/025 , H05H2007/046
摘要： An example particle accelerator includes the following: a voltage source to provide a radio frequency (RF) voltage to a cavity to accelerate particles from a plasma column, where the cavity has a magnetic field causing particles accelerated from the plasma column to move orbitally within the cavity; an extraction channel to receive the particles accelerated from the plasma column and to output the received particles from the cavity; and a regenerator to provide a magnetic field bump within the cavity to thereby change successive orbits of the particles accelerated from the plasma column so that, eventually, particles output to the extraction channel. The magnetic field is at least 6 Tesla and the magnetic field bump is at most 2 Tesla.

4. 发明申请

US20170208676A1 RADIO-FREQUENCY ELECTRODE AND CYCLOTRON CONFIGURED TO REDUCE RADIATION EXPOSURE 有权
公开(公告)号：US20170208676A1
公开(公告)日：2017-07-20
申请号：US14995772
申请日：2016-01-14
申请人： General Electric Company
发明人： Martin Pärnaste , Andreas Bäcklund , Lars Walenius
IPC分类号： H05H7/10 , H05H7/12 , H05H13/00
CPC分类号： H05H7/10 , H05H7/12 , H05H13/005 , H05H2007/025 , H05H2007/122
摘要： Radio-frequency (RF) electrode for a cyclotron. The RF electrode includes a hollowed dee having first and second surfaces that oppose each other and define a gap therebetween. The hollowed dee is configured to be electrically controlled to direct a beam of charged particles through the gap and along an orbit plane of the cyclotron. The orbit plane extends parallel to the first and second surfaces through the gap. The RF electrode also includes a bridge structure that is coupled to and extends away from the hollowed dee. The bridge structure includes a side wall that defines an interior cavity of the bridge structure. The side wall has a particle opening therethrough that coincides with or is proximate to the orbit plane such that the particle opening receives neutral particles from an orbit of the charged particles.

5. 发明授权

US09706636B2 Adjusting energy of a particle beam 有权
公开(公告)号：US09706636B2
公开(公告)日：2017-07-11
申请号：US15074975
申请日：2016-03-18
申请人： Mevion Medical Systems, Inc.
发明人： Gerrit Townsend Zwart , Kenneth P. Gall , Jan Van der Laan , Stanley Rosenthal , Michael Busky , Charles D. O'Neal, III , Ken Yoshiki Franzen
IPC分类号： H05H13/02 , H05H13/00 , H05H7/10 , A61N5/10 , H05H7/04 , H05H7/00
CPC分类号： H05H7/10 , A61N5/1077 , A61N2005/1095 , H05H7/04 , H05H13/02 , H05H2007/004
摘要： An example particle accelerator includes a coil to provide a magnetic field to a cavity; a particle source to provide a plasma column to the cavity; a voltage source to provide a radio frequency (RF) voltage to the cavity to accelerate particles from the plasma column, where the magnetic field causes particles accelerated from the plasma column to move orbitally within the cavity; an enclosure containing an extraction channel to receive the particles accelerated from the plasma column and to output the received particles from the cavity; and a structure arranged proximate to the extraction channel to change an energy level of the received particles.

6. 发明授权

US09603235B2 Phase-lock loop synchronization between beam orbit and RF drive in synchrocyclotrons 有权
公开(公告)号：US09603235B2
公开(公告)日：2017-03-21
申请号：US13949459
申请日：2013-07-24
申请人： Massachusetts Institute of Technology
发明人： Leslie Bromberg , Joseph V. Minervini , Alexey L. Radovinsky , Philip C. Michael
IPC分类号： H05H13/02 , H05H7/10 , H05H7/02 , H05H13/00
CPC分类号： H05H13/02 , H05H7/02 , H05H7/10 , H05H13/005 , H05H2007/025
摘要： The invention specifies the use of feedback in the radio frequency (RF) drive for a synchrocyclotron, controlling the phase and/or amplitude of the accelerating field as a means to assure optimal acceleration of the beam, to increase the average beam current and to alter the beam orbit in order to allow appropriate extraction as the beam energy is varied. The effect of space charge is reduced by rapid acceleration and extraction of the beam, and the repetition rate of the pulses can be increased. Several means are presented to monitor the phase of the beam in synchrocyclotrons and to adjust the phase and amplitude of the RF to optimize the acceleration of the beam and to adjust the extraction and injection of the beam. Also, the use of a pulsed ion source that matches the acceptance window of the synchrocyclotron is described.

7. 发明申请

US20170013703A1 PARTICLE BEAM THERAPY DEVICE 有权
标题翻译：颗粒束治疗装置
公开(公告)号：US20170013703A1
公开(公告)日：2017-01-12
申请号：US15115335
申请日：2014-04-04
申请人： Mitsubishi Electric Corporation
发明人： Kengo SUGAHARA , Shuhei ODAWARA , Kazuhiro NISHI
IPC分类号： H05H7/12 , H05H7/00 , A61N5/10
CPC分类号： H05H7/12 , A61N5/1043 , A61N5/1071 , A61N2005/1087 , H05H7/001 , H05H7/10 , H05H13/04 , H05H2007/004 , H05H2007/008 , H05H2277/11
摘要： A device controller controls an acceleration-related devices and an extraction-related devices of an accelerator for accelerating and extracting a particle beam, in such a way that the controller checks, at a time point when receiving a master clock pulse, that preparation for operating the acceleration-related devices is completed and then commands the acceleration-related devices to operate in accordance with an operation pattern corresponding to a prescribed energy of the particle beam, and commands the acceleration-related devices to operate in accordance with an extracting operation pattern when an extraction enable signal indicating that the particle beam reaches the prescribed energy is turned ON and an extraction-related device setting-status signal indicating that completion of setting the extraction-related devices for the prescribed energy is ON.
摘要翻译：设备控制器控制用于加速和提取粒子束的加速器相关设备和加速器的提取相关设备，使得控制器在接收到主时钟脉冲的时间点检查该操作的准备加速相关装置完成，然后根据与粒子束的规定能量相对应的操作模式命令加速相关装置，并且根据提取操作模式命令加速度相关装置进行操作，当指示粒子束达到规定能量的提取使能信号被接通，并且指示指定能量的提取相关装置的设定完成为ON的提取相关装置设定状态信号。

8. 发明申请

US20150305135A1 Formation Of Multiple Proton Beams Using Particle Accelerator And Stripper Elements 有权
标题翻译：使用粒子加速器和剥离元件形成多个质子束
公开(公告)号：US20150305135A1
公开(公告)日：2015-10-22
申请号：US14678000
申请日：2015-04-03
申请人： Siemens Medical Solutions USA, Inc.
发明人： Sergey Korenev
IPC分类号： H05H7/00 , H05H7/10
CPC分类号： H05H7/001 , H05H7/10 , H05H13/005 , H05H2007/005 , H05H2007/125
摘要： A particle acceleration system includes a particle accelerator and at least one beam-transparent stripper element. The particle accelerator is configured to accelerate charged particles along a trajectory. The beam-transparent stripper element(s) is/are positioned along the trajectory. Each beam-transparent stripper element has a surface normal to the trajectory, wherein said surface defines a plurality of apertures configured to cause a first plurality of charged particles that strike the surface to undergo a stripping process while a second plurality of charged particles pass through one or more of the plurality of apertures without undergoing the stripping process.
摘要翻译：粒子加速系统包括粒子加速器和至少一个光束透明剥离元件。粒子加速器构造成沿轨迹加速带电粒子。光束透明剥离器元件沿着轨迹定位。每个光束透明剥离元件具有垂直于轨迹的表面，其中所述表面限定多个孔，其构造成使得第一多个带电粒子撞击该表面以经历剥离过程，而第二个多个带电粒子通过一个或多个孔，而不经历剥离过程。

9. 发明授权

US09155186B2 Focusing a particle beam using magnetic field flutter 有权
标题翻译：使用磁场颤振聚焦粒子束
公开(公告)号：US09155186B2
公开(公告)日：2015-10-06
申请号：US14039084
申请日：2013-09-27
申请人： Mevion Medical Systems, Inc.
发明人： Gerrit Townsend Zwart , Kenneth P. Gall , Jan Van der Laan , Charles D. O'Neal, III , Ken Yoshiki Franzen
IPC分类号： H05H7/10 , A61N5/10 , H05H7/04 , H05H13/00 , H05H13/02
CPC分类号： H05H7/10 , A61N5/1077 , A61N2005/1095 , H05H7/04 , H05H13/005 , H05H13/02 , H05H2007/046
摘要： An example particle accelerator may include the following: a voltage source to sweep a radio frequency (RF) voltage in a cavity to accelerate particles from a plasma column, where the cavity has a magnetic field causing particles accelerated from the plasma column to move orbitally within the cavity, and where the magnetic field has flux that bows at edges of the cavity; a regenerator to provide a magnetic field bump within the cavity to thereby change successive orbits of the particles accelerated from the plasma column so that, eventually, particles output to an extraction point, where the regenerator is located at a radius in the cavity relative to the plasma column; and ferromagnetic arrangements located in the cavity proximate to the radius, where each ferromagnetic arrangement provides a magnetic field bump, and where ferromagnetic arrangements adjacent to the regenerator are separated from the regenerator by a space.
摘要翻译：示例性粒子加速器可以包括以下：用于扫描空腔中的射频（RF）电压以加速来自等离子体柱的粒子的电压源，其中空腔具有导致从等离子体柱加速的粒子在轨道内移动的磁场空腔，其中磁场具有在空腔边缘处弯曲的通量; 再生器，以在空腔内提供磁场凸块，从而改变从等离子体柱加速的颗粒的连续轨道，使得最终将颗粒输出到提取点，其中再生器相对于腔体位于空腔的半径处等离子体柱以及位于靠近半径的空腔中的铁磁装置，其中每个铁磁装置提供磁场凸起，并且其中与再生器相邻的铁磁装置与再生器分离一个空间。

10. 发明授权

US09044600B2 Proton tomography apparatus and method of operation therefor 有权
标题翻译：质子层析成像装置及其操作方法
公开(公告)号：US09044600B2
公开(公告)日：2015-06-02
申请号：US13087096
申请日：2011-04-14
申请人： Vladimir Balakin
发明人： Vladimir Balakin
IPC分类号： A61N5/00 , H05H7/10 , H05H13/04 , A61N5/10
CPC分类号： A61N5/10 , A61N2005/1061 , A61N2005/1087 , H05H7/10 , H05H13/04
摘要： The invention relates to a method and apparatus for charged particle tomographic imaging using a tomography system. The tomography imaging system is optionally simultaneously operational with a charged particle cancer therapy system using common elements, allows tomographic imaging with rotation of the patient, is operational on a patient in an upright, semi-upright, and/or horizontal position, is simultaneously operational with X-ray imaging, and/or allows use of adaptive charged particle cancer therapy. The common tomography and cancer therapy apparatus elements are operational in a multi-axis and/or multi-field raster beam mode.
摘要翻译：本发明涉及使用断层摄影系统的带电粒子断层成像的方法和装置。层析成像系统可选地与使用共同元件的带电粒子癌治疗系统同时操作，允许患者旋转的层析成像在直立，半直立和/或水平位置的患者上操作，同时操作通过X射线成像，和/或允许使用适应性带电粒子癌症治疗。常见的断层摄影和癌症治疗装置元件在多轴和/或多场光栅束模式中可操作。

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