公开(公告)号：US12090340B2

公开(公告)日：2024-09-17

申请号：US17696662

申请日：2022-03-16

申请人： RefleXion Medical, Inc.

发明人： Brent Harper ,  David Quentin Larkin ,  Peter Demetri Olcott ,  George Andrew Zdasiuk ,  David Nett ,  Victor Carboni

IPC分类号： A61N5/10 ,  H05H9/00

CPC分类号： A61N5/1048 ,  A61N5/1045 ,  A61N5/1081 ,  A61N5/1083 ,  H05H9/00 ,  H05H2277/11

摘要： Disclosed herein are systems and methods for rapidly delivering high doses of radiation, also known as, flash dose radiotherapy or flash radiotherapy. One variation of a system for flash radiotherapy has a plurality of therapeutic radiation sources on a support structure (e.g., a gantry or arm) and configured to toward a patient target region, and a controller in communication with all of the therapeutic radiation sources. The controller is configured to activate the plurality of therapeutic radiation sources simultaneously so that the patient target region rapidly receives a high dose of radiation, e.g. the entire prescribed dose of radiation. In some variations, a flash radiotherapy system has a pulsed, high-power source that may be used to generate an X-ray pulse that delivers a dose having a dose rate from about 7.5 Gy/s to about 70 Gy/s. Flash radiotherapy systems may also include one or more imaging systems mounted on the support structure.

公开(公告)号：US12010789B2

公开(公告)日：2024-06-11

申请号：US17611327

申请日：2020-05-15

申请人： MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. ,  INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION

发明人： Shingo Mori ,  Mitsuhiro Yoshida ,  Nobuyuki Shigeoka

IPC分类号： H05H9/04 ,  H05H7/18 ,  H05H9/00

CPC分类号： H05H9/048 ,  H05H7/18 ,  H05H9/005

摘要： An accelerating cavity includes an electrically conductive cylindrical housing and a plurality of cells that are made of a dielectric material and have openings in respective central portions of the cells through which charged particles are allowed to pass. The cells are arranged inside the housing while being aligned in the axial direction of the central axis of the housing, and sandwiched by the housing in the axial direction of the central axis to be immobilized. The housing has grooves provided on portions thereof that support the respective cells and each having a depth that is one fourth of the wavelength of radio frequency waves for the acceleration mode that propagate through the cells.

公开(公告)号：US12005274B2

公开(公告)日：2024-06-11

申请号：US17697430

申请日：2022-03-17

申请人： Varian Medical Systems, Inc.

发明人： James Clayton

IPC分类号： A61N5/10 ,  G21K1/093 ,  G21K1/10 ,  H01J35/08 ,  H01J35/10 ,  H01J35/14 ,  H01J35/22 ,  H01J35/30 ,  H05G2/00 ,  H05H9/00 ,  H05H9/04

CPC分类号： A61N5/1077 ,  A61N5/1043 ,  A61N5/1045 ,  A61N5/1047 ,  A61N5/1081 ,  G21K1/093 ,  G21K1/10 ,  H01J35/10 ,  H01J35/116 ,  H01J35/153 ,  H01J35/22 ,  H01J35/30 ,  H05G2/00 ,  H05H9/048 ,  A61N2005/1089

摘要： A radiotherapy system includes an X-ray target configured to convert an incident electron beam into a therapeutic X-ray beam, a purging magnet configured to redirect unwanted particles emitted from the X-ray target away from the therapeutic X-ray beam, and a particle collector configured to absorb the unwanted particles subsequent to redirection by the purging magnet. The particle collector may be configured to dissipate at least 50% of the energy of the incident electron beam.

公开(公告)号：US20240032183A1

公开(公告)日：2024-01-25

申请号：US18373128

申请日：2023-09-26

申请人： Applied Materials, Inc.

发明人： Costel BILOIU ,  David T. BLAHNIK ,  Wai-Ming TAM ,  Charles T. CARLSON ,  Frank SINCLAIR

IPC分类号： H05H7/02 ,  H05H7/12 ,  H05H9/00

CPC分类号： H05H7/02 ,  H05H7/12 ,  H05H9/00 ,  H05H2007/025

摘要： An exciter for a high frequency resonator. The exciter may include an exciter coil inner portion, extending along an exciter axis, an exciter coil loop, disposed at a distal end of the exciter coil inner portion. The exciter may also include a drive mechanism, including at least a rotation component to rotate the exciter coil loop around the exciter axis.

公开(公告)号：US20230040534A1

公开(公告)日：2023-02-09

申请号：US17970410

申请日：2022-10-20

申请人： Varian Medical Systems, Inc.

发明人： Mark Everett Trail ,  James Edward Clayton

IPC分类号： A61N5/10 ,  H01J37/073 ,  H01J35/14 ,  H01J35/06 ,  H01J37/075 ,  H05H9/00

摘要： Presented systems and methods facilitate efficient and effective monitoring of particle beams. In some embodiments, a radiation gun system comprises: a particle beam gun that generates a particle beam, and a gun control component that controls the gun particle beam generation characteristics, including particle beam fidelity characteristics. The particle beam characteristics can be compatible with FLASH radiation therapy. Resolution control of the particle beam generation can enable dose delivery at an intra-pulse level and micro-bunch level. The micro-bunch can include individual bunches per each 3 GHz RF cycle within the 5 to 15 μsec pulse-width. The FLASH radiation therapy dose delivery can have a bunch level resolution of approximately 4.4×10{circumflex over ( )}-6 cGy/bunch.

公开(公告)号：US11388810B2

公开(公告)日：2022-07-12

申请号：US17024295

申请日：2020-09-17

申请人： Applied Materials, Inc.

发明人： Peter F. Kurunczi ,  David T. Blahnik ,  Frank Sinclair

IPC分类号： H05H7/22 ,  H01J37/317 ,  H05H9/00

摘要： An apparatus, system and method. An apparatus may include an RF power assembly, arranged to output an RF signal; a resonator, coupled to receive the RF signal, the resonator comprising a first output end and a second output end, and a drift tube assembly, configured to transmit an ion beam, and coupled to the resonator. As such, the drift tube assembly may include a first AC drift tube electrode, coupled to the first output end, and a second AC drift tube electrode, coupled to the second output end and separated from the first AC drift tube by a first gap. The RF power assembly may be switchable to switch output from a first Eigenmode frequency to a second Eigenmode frequency.

公开(公告)号：US20220104339A1

公开(公告)日：2022-03-31

申请号：US17479277

申请日：2021-09-20

申请人： Siemens Healthcare GmbH

发明人： Sven MUELLER ,  Stefan WILLING ,  Martin KOSCHMIEDER ,  Claudia NOAK ,  Marvin MOELLER

IPC分类号： H05H7/04 ,  A61N5/10 ,  G21K5/04 ,  H05H9/00

摘要： A linear accelerator system according to an embodiment is for generating an MeV electron beam. The linear accelerator system includes a linear accelerator cavity having an enclosure, wherein the enclosure is open at one end to provide an exit port for the MeV electron beam; and a switchable magnet unit designed to, in a deflection mode, generate a magnetic field within the linear accelerator cavity to enable at least one electron, emitted within the linear accelerator cavity, to interact with the enclosure due to deflection away from the exit port caused by the magnetic field. Accordingly, in an embodiment, in the deflection mode, an intensity of the MeV electron beam passing through the exit port is relatively lower than an intensity of the MeV electron beam passing through the exit port in a beam generation mode of the switchable magnet unit.

公开(公告)号：US20220087004A1

公开(公告)日：2022-03-17

申请号：US17024295

申请日：2020-09-17

申请人： Applied Materials, Inc.

发明人： Peter F. Kurunczi ,  David T. Blahnik ,  Frank Sinclair

IPC分类号： H05H7/22 ,  H05H9/00 ,  H01J37/317

摘要： An apparatus, system and method. An apparatus may include an RF power assembly, arranged to output an RF signal; a resonator, coupled to receive the RF signal, the resonator comprising a first output end and a second output end, and a drift tube assembly, configured to transmit an ion beam, and coupled to the resonator. As such, the drift tube assembly may include a first AC drift tube electrode, coupled to the first output end, and a second AC drift tube electrode, coupled to the second output end and separated from the first AC drift tube by a first gap. The RF power assembly may be switchable to switch output from a first Eigenmode frequency to a second Eigenmode frequency.

公开(公告)号：US11165427B2

公开(公告)日：2021-11-02

申请号：US16147459

申请日：2018-09-28

申请人： Varex Imaging Corporation

发明人： John C Turner

IPC分类号： H05H9/00 ,  H03K19/173 ,  H03K5/01 ,  H03K3/027 ,  H03K5/00 ,  H05H9/04 ,  H05H7/22 ,  H05H13/04 ,  H05H7/02 ,  H01J35/02 ,  H03K3/78 ,  H01J29/52 ,  H05G2/00

摘要： Some embodiments include a system comprising: an RF source configured to generate an RF signal; an RF frequency control circuit coupled to the RF source and configured to adjust a frequency of the RF signal; an accelerator structure configured to accelerate a particle beam in response to the RF signal; and control logic configured to: receive a plurality of settings over time for the RF source; adjust the RF signal in response to the settings; and adjust a setpoint of the RF frequency control circuit in response to the settings.

公开(公告)号：US10607829B2

公开(公告)日：2020-03-31

申请号：US16330218

申请日：2017-09-06

申请人： BNNT, LLC ,  JEFFERSON SCIENCE ASSOCIATES, LLC

发明人： Kevin C. Jordan ,  Thomas G. Dushatinski ,  Michael W. Smith ,  Jonathan C. Stevens ,  R. Roy Whitney

IPC分类号： H01J63/06 ,  H05H6/00 ,  H01S3/00 ,  H01S3/16 ,  G21K5/00 ,  H05G2/00 ,  H01J63/02 ,  H05H9/00 ,  B82Y20/00

摘要： Transition radiation from nanotubes, nanosheets, and nanoparticles and in particular, boron nitride nanomaterials, can be utilized for the generation of light. Wavelengths of light of interest for microchip lithography, including 13.5 nm (91.8 eV) and 6.7 nm (185 eV), can be generated at useful intensities, by transition radiation light sources. Light useful for monitoring relativistic charged particle beam characteristics such as spatial distribution and intensity can be generated.