公开(公告)号：US20230022716A1

公开(公告)日：2023-01-26

申请号：US17865508

申请日：2022-07-15

Applicant: Mevion Medical Systems, Inc.

Inventor： Mark R. Jones ,  James Cooley

IPC: A61N5/10

Abstract: An example particle therapy system includes a toroid-shaped gantry having a central axis. The toroid-shaped gantry has a cover. The cover includes one or more segments that are rotatable at least partly around the central axis of the toroid-shaped gantry to create an unobstructed opening in the toroid-shaped gantry. The particle therapy system includes a patient couch configured to move relative to a hole in the toroid-shaped gantry, an imaging system coupled to an interior of the toroid-shaped gantry and configured for rotation about the hole in the toroid-shaped gantry, where the imaging system is configured to capture images of a patient on the patient couch, and a nozzle coupled to the interior of the toroid-shaped gantry and configured for rotation about the hole in the toroid-shaped gantry. The nozzle is configured to deliver radiation to a target in the patient based on one or more of the images.

公开(公告)号：US20220118284A1

公开(公告)日：2022-04-21

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

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.

公开(公告)号：US20170157422A1

公开(公告)日：2017-06-08

申请号：US15438544

申请日：2017-02-21

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.

公开(公告)号：US12245355B2

公开(公告)日：2025-03-04

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

IPC: H05H7/04 ,  A61N5/10 ,  G21K1/093 ,  H05H13/02

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.

公开(公告)号：US20190250582A1

公开(公告)日：2019-08-15

申请号：US16269287

申请日：2019-02-06

Applicant: Mevion Medical Systems, Inc.

Inventor： Mark R. Jones ,  Mark Robinson ,  Ken Yoshiki Franzen

IPC: G05B19/19 ,  H02K7/116 ,  H02K11/215 ,  H02K11/30 ,  H05H13/02 ,  H05H7/04 ,  H02K7/08 ,  A61N5/10

CPC classification number: G05B19/19 ,  A61N5/1077 ,  A61N2005/1095 ,  G05B2219/39221 ,  G05B2219/40555 ,  H02K7/08 ,  H02K7/116 ,  H02K11/215 ,  H02K11/30 ,  H05H7/04 ,  H05H13/02 ,  H05H2007/004

Abstract: An example system includes: a magnet including one or more coils to conduct current to generate a magnetic field, with the magnetic field to affect output of radiation to a target; and one or more actuators, with an actuator among the one or more actuators being at least part of a physical coupling to the one or more coils, and with the actuator being controllable to move the one or more coils via the physical coupling based on movement of the magnet.

公开(公告)号：US20170157424A1

公开(公告)日：2017-06-08

申请号：US15438854

申请日：2017-02-22

Applicant: Mevion Medical Systems, Inc.

Inventor： Gerrit Townsend Zwart ,  Mark R. Jones

IPC: A61N5/10 ,  H05H13/02 ,  G21K1/10 ,  G21K1/04

CPC classification number: A61N5/1043 ,  A61N5/1042 ,  A61N5/1045 ,  A61N5/1048 ,  A61N5/1077 ,  A61N5/1081 ,  A61N5/1083 ,  A61N2005/1087 ,  A61N2005/1095 ,  G21K1/046 ,  G21K1/10 ,  H05H13/02 ,  H05H2007/004 ,  H05H2007/007 ,  H05H2007/122

Abstract: A particle therapy system includes a particle accelerator to output a particle beam; and a scanning system for the particle accelerator to scan the particle beam across at least part of an irradiation target. The scanning system is configured to scan the particle beam in two dimensions that are at an angle relative to a direction of the particle beam. A structure defines an edge. The structure is controllable to move in the two dimensions relative to the irradiation target such that at least part of the structure is between at least part of the particle beam and the irradiation target. The structure includes a material that inhibits transmission of the particle beam.

公开(公告)号：US20170128746A1

公开(公告)日：2017-05-11

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.

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.

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

IPC: H05H7/04 ,  A61N5/10 ,  G21K1/093 ,  H05H13/02

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.

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

IPC: H05H13/02 ,  A61N5/10 ,  A61B5/00 ,  H05H7/04

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.