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公开(公告)号：US20150090894A1
公开(公告)日：2015-04-02
申请号：US14497754
申请日：2014-09-26
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , James Cooley , Ken Yoshiki Franzen , Mark R. Jones , Tao Li , Michael Busky
CPC classification number: A61N5/10 , A61N5/1043 , A61N5/1081 , A61N2005/1087 , A61N2005/1095 , G21K1/093 , G21K1/10 , H01J37/14 , H01J2237/30483 , H05H7/12 , H05H13/02 , H05H2007/125 , H05H2277/11
Abstract: An example particle therapy system includes: a synchrocyclotron to output a particle beam; a magnet to affect a direction of the particle beam to scan the particle beam across at least part of an irradiation target; scattering material that is configurable to change a spot size of the particle beam, where the scattering material is down-beam of the magnet relative to the synchrocyclotron; and a degrader to change an energy of the beam prior to output of the particle beam to the irradiation target, where the degrader is down-beam of the scattering material relative to the synchrocyclotron.
Abstract translation: 示例性粒子治疗系统包括：输出粒子束的同步回旋加速器; 影响粒子束的方向以扫描穿过至少部分照射目标的粒子束的磁体; 散射材料，其可配置为改变粒子束的光斑尺寸，其中散射材料是磁体相对于同步回旋加速器的向下束; 以及降解器，用于在将粒子束输出到照射目标之前改变光束的能量，其中降解器相对于同步回旋加速器是散射材料的向下束。
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公开(公告)号：US11786754B2
公开(公告)日：2023-10-17
申请号：US17567544
申请日：2022-01-03
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , Mark R. Jones , Miles S. Wagner , James Cooley , Eros Pedroni , Robert Silva
IPC: A61N5/10
CPC classification number: A61N5/1036 , A61N5/1043 , A61N5/1044 , A61N5/1045 , A61N5/1047 , A61N5/1071 , A61N5/1077 , A61N5/1081 , A61N2005/1087 , A61N2005/1095
Abstract: An example particle therapy system includes a particle accelerator to output a particle beam having a spot size; a scanning system for the particle accelerator to scan the particle beam in two dimensions across at least part of a treatment area of an irradiation target; and an adaptive aperture between the scanning system and the irradiation target. The adaptive aperture includes structures that are movable relative to the irradiation target to approximate a shape to trim part of the treatment area. The part of the treatment area has a size that is based on an area of the spot size.
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公开(公告)号：US11717703B2
公开(公告)日：2023-08-08
申请号：US17712313
申请日：2022-04-04
Applicant: Mevion Medical Systems, Inc.
Inventor： James Cooley , Townsend Zwart
IPC: A61N5/10
CPC classification number: A61N5/1045 , A61N5/1031 , A61N5/1043 , A61N5/1065 , A61N5/1079 , A61N2005/1087
Abstract: An example method of treating a target using particle beam includes directing the particle beam along a path at least part-way through the target, and controlling an energy of the particle beam while the particle beam is directed along the path so that the particle beam treats at least interior portions of the target that are located along the path. While the particle beam is directed along the path, the particle beam delivers a dose of radiation to the target that exceeds one (1) Gray-per-second for a duration of less than five (5) seconds. A treatment plan may be generated to perform the method.
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公开(公告)号：US20220272827A1
公开(公告)日：2022-08-25
申请号：US17675142
申请日：2022-02-18
Applicant: Mevion Medical Systems, Inc.
Inventor： Yan Zhang , Gerrit Townsend Zwart , James Cooley , Mark R. Jones , Honghai Song , Yan Liu , Xunjie Yu
Abstract: An example particle therapy system includes a gantry having a beamline structure configured to direct a particle beam that is monoenergetic from an output of a particle accelerator towards an irradiation target, where the beamline structure includes magnetic bending elements to bend the particle beam along a length of the beamline structure; and an energy degrader downstream of the beamline structure relative to the particle accelerator, where the energy degrader is configured and controllable to change an energy of the particle beam prior to at least part of the particle beam reaching the irradiation target.
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公开(公告)号：US20210274635A1
公开(公告)日：2021-09-02
申请号：US17174986
申请日：2021-02-12
Applicant: Mevion Medical Systems, Inc.
Inventor： James Cooley , Gerrit Townsend Zwart , Stanley J. Rosenthal , Mark R. Jones , Lionel G. Bouchet , Robert Cessac , Joseph Jachinowski
Abstract: An example method includes: receiving, from a treatment planning process, information that is based on a dose distribution for an irradiation target; and performing at least one of the following operations: moving structures to trim spots of a particle beam so that the spots of the particle beam approximate pre-trimmed spots for which characteristics are obtained based on the information received; moving structures to produce a trimming curve for a layer of an irradiation target based on a specification of a trimming curve for the layer included in the information received; moving structures to produce a single trimming curve for all radiation fields of an irradiation target based on specifications of the single trimming curve included in the information received; or moving structures based on configuration information for the structures in the information received.
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Patent Agency Ranking
公开(公告)号：US10786689B2
公开(公告)日：2020-09-29
申请号：US14937048
申请日：2015-11-10
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , Mark R. Jones , Miles S. Wagner , James Cooley , Eros Pedroni , Robert Silva
IPC: A61N5/10
Abstract: An example particle therapy system includes a particle accelerator to output a particle beam having a spot size; a scanning system for the particle accelerator to scan the particle beam in two dimensions across at least part of a treatment area of an irradiation target; and an adaptive aperture between the scanning system and the irradiation target. The adaptive aperture includes structures that are movable relative to the irradiation target to approximate a shape to trim part of the treatment area. The part of the treatment area has a size that is based on an area of the spot size.
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公开(公告)号：US10456591B2
公开(公告)日：2019-10-29
申请号：US15796237
申请日：2017-10-27
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , James Cooley , Ken Yoshiki Franzen , Mark R. Jones , Tao Li , Michael Busky
Abstract: An example particle therapy system includes: a synchrocyclotron to output a particle beam; a magnet to affect a direction of the particle beam to scan the particle beam across at least part of an irradiation target; scattering material that is configurable to change a spot size of the particle beam, where the scattering material is down-beam of the magnet relative to the synchrocyclotron; and a degrader to change an energy of the beam prior to output of the particle beam to the irradiation target, where the degrader is down-beam of the scattering material relative to the synchrocyclotron.
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公开(公告)号：US10155124B2
公开(公告)日：2018-12-18
申请号：US15265326
申请日：2016-09-14
Applicant: Mevion Medical Systems, Inc.
Inventor： Kenneth P. Gall , Stanley J. Rosenthal , Thomas C. Sobczynski , Adam C. Molzahn , Charles D. O'Neal , James Cooley
Abstract: An example particle therapy system includes the following: a gantry that is rotatable relative to a patient position; a particle accelerator mounted to the gantry, where the particle accelerator is for outputting a particle beam essentially directly to the patient position; and a control system to receive a prescription and to generate machine instructions for configuring one or more operational characteristics of the particle therapy system. At least one of the operational characteristics relates to a rotational angle of the gantry relative to the patient position.
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公开(公告)号：US20180236268A1
公开(公告)日：2018-08-23
申请号：US15441170
申请日：2017-02-23
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , Mark R. Jones , James Cooley , Stanley J. Rosenthal
IPC: A61N5/10
CPC classification number: A61N5/1067 , A61N5/1043 , A61N5/1045 , A61N5/1049 , A61N5/1065 , A61N5/1069 , A61N5/107 , A61N5/1081 , A61N2005/1087 , A61N2005/1095
Abstract: An example particle therapy system includes a particle beam output device to direct output of a particle beam; a treatment couch to support a patient containing an irradiation target, with the treatment couch being configured for movement; a movable device on which the particle beam output device is mounted for movement relative to the treatment couch; and a control system to provide automated control of at least one of the movable device or the treatment couch to position at least one of the particle beam or the irradiation target for treatment of the irradiation target with the particle beam and, following the treatment of the irradiation target with the particle beam, to provide automated control of at least one of the movable device or the treatment couch to reposition at least one of the particle beam or the irradiation target for additional treatment of the irradiation target with the particle beam.
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公开(公告)号：US20170182338A1
公开(公告)日：2017-06-29
申请号：US15399250
申请日：2017-01-05
Applicant: Mevion Medical Systems, Inc.
Inventor： Gerrit Townsend Zwart , Mark R. Jones , James Cooley , Adam Molzahn
Abstract: An example particle therapy system may include: a synchrocyclotron to produce a particle beam; a scanner to move the particle beam in one or more dimensions relative to an irradiation target; and an energy degrader that is between the scanner and the irradiation target. The energy degrader may include multiple plates that are movable relative to a path of the particle beam, with the multiple plates each being controllable to move while in the path of the particle beam and during movement of the particle beam. An aperture may be between the energy degrader and the irradiation target. The aperture being may be to trim the particle beam prior to the particle beam reaching the irradiation target.
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