CA3124185C - Systems and methods for radiotherapy with magnetic resonance imaging - Google Patents

Systems and methods for radiotherapy with magnetic resonance imaging Download PDF

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Publication number
CA3124185C
CA3124185C CA3124185A CA3124185A CA3124185C CA 3124185 C CA3124185 C CA 3124185C CA 3124185 A CA3124185 A CA 3124185A CA 3124185 A CA3124185 A CA 3124185A CA 3124185 C CA3124185 C CA 3124185C
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Canada
Prior art keywords
magnetic shield
magnetic
gantry
leaves
ferromagnetic material
Prior art date
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Active
Application number
CA3124185A
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English (en)
French (fr)
Other versions
CA3124185A1 (en
Inventor
Shmaryu M. Shvartsman
James F. Dempsey
David NIKOLY
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Viewray Systems Inc
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ViewRay Technologies Inc
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Publication date
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Publication of CA3124185A1 publication Critical patent/CA3124185A1/en
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Publication of CA3124185C publication Critical patent/CA3124185C/en
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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1055—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1092—Details
    • A61N2005/1094—Shielding, protecting against radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1042—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head
    • A61N5/1045—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy with spatial modulation of the radiation beam within the treatment head using a multi-leaf collimator, e.g. for intensity modulated radiation therapy or IMRT
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Radiation-Therapy Devices (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA3124185A 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging Active CA3124185C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/801,680 US9675271B2 (en) 2013-03-13 2013-03-13 Systems and methods for radiotherapy with magnetic resonance imaging
US13/801,680 2013-03-13
CA2904603A CA2904603C (en) 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2904603A Division CA2904603C (en) 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging

Publications (2)

Publication Number Publication Date
CA3124185A1 CA3124185A1 (en) 2014-10-09
CA3124185C true CA3124185C (en) 2023-08-29

Family

ID=50628910

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3124185A Active CA3124185C (en) 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging
CA2904603A Active CA2904603C (en) 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2904603A Active CA2904603C (en) 2013-03-13 2014-03-11 Systems and methods for radiotherapy with magnetic resonance imaging

Country Status (8)

Country Link
US (2) US9675271B2 (enExample)
EP (2) EP2968978B1 (enExample)
JP (2) JP6426141B2 (enExample)
KR (1) KR20150135348A (enExample)
CN (2) CN105188846B (enExample)
AU (2) AU2014248982B2 (enExample)
CA (2) CA3124185C (enExample)
WO (1) WO2014164821A1 (enExample)

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WO2005081842A2 (en) 2004-02-20 2005-09-09 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
CA3090069C (en) 2009-07-15 2024-05-07 Viewray Technologies, Inc. Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
EP3572823B1 (en) 2010-02-24 2022-04-06 ViewRay Technologies, Inc. Split magnetic resonance imaging system
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
US10561861B2 (en) 2012-05-02 2020-02-18 Viewray Technologies, Inc. Videographic display of real-time medical treatment
CA2888993A1 (en) 2012-10-26 2014-05-01 Viewray Incorporated Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
BR112015031515A2 (pt) * 2013-06-21 2017-07-25 Koninklijke Philips Nv aparelho, e, câmara para um criostato
RU2655476C2 (ru) * 2013-06-21 2018-05-28 Конинклейке Филипс Н.В. Система шиммирования для магнитно-резонансного гибридного сканера
GB2519595B (en) * 2013-10-28 2015-09-23 Elekta Ab Image guided radiation therapy apparatus
EP4325235A3 (en) 2015-02-11 2024-05-22 ViewRay Technologies, Inc. Planning and control for magnetic resonance guided radiation therapy
EP3423153B1 (en) 2016-03-02 2021-05-19 ViewRay Technologies, Inc. Particle therapy with magnetic resonance imaging
US11378629B2 (en) 2016-06-22 2022-07-05 Viewray Technologies, Inc. Magnetic resonance imaging
CN110382049A (zh) 2016-12-13 2019-10-25 优瑞技术公司 放射治疗系统和方法
GB2568080B (en) * 2017-11-03 2020-09-09 Elekta ltd Operation and control of magnetic resonance imaging apparatus
CN116036499A (zh) 2017-12-06 2023-05-02 优瑞技术公司 多模态放射疗法的优化
GB2569797B (en) * 2017-12-21 2020-03-25 Elekta ltd Light circuit for imaging device
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
US10709905B2 (en) * 2018-06-29 2020-07-14 Victor Hernandez Method of calculating a tongue-and-groove effect of a multi-leaf collimator
GB2576579A (en) * 2018-08-24 2020-02-26 Magnetic Shields Ltd Magnetic shield device
CN111107900B (zh) 2018-11-14 2022-03-04 上海联影医疗科技股份有限公司 放射治疗系统
WO2020155137A1 (en) 2019-02-02 2020-08-06 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system and method
US12257456B2 (en) * 2019-11-25 2025-03-25 The Regents Of The University Of California Systems and methods for dynamic control of radiation dose in radiation therapy
US12487299B2 (en) 2022-06-20 2025-12-02 Shanghai United Imaging Healthcare Co., Ltd. Magnetic resonance imaging devices and radiation therapy systems including the magnetic resonance imaging devices

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US6591127B1 (en) * 1999-03-15 2003-07-08 General Electric Company Integrated multi-modality imaging system and method
JP2003024296A (ja) 2001-07-04 2003-01-28 Ge Medical Systems Global Technology Co Llc 静磁界調整方法およびｍｒｉ装置
GB2382512A (en) 2001-07-20 2003-05-28 Elekta Oncology Syst Ltd MRI in guided radiotherapy and position verification
GB2393373A (en) 2002-09-13 2004-03-24 Elekta Ab MRI in guided radiotherapy and position verification
WO2005081842A2 (en) * 2004-02-20 2005-09-09 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
US7957507B2 (en) * 2005-02-28 2011-06-07 Cadman Patrick F Method and apparatus for modulating a radiation beam
JP5416960B2 (ja) * 2008-12-17 2014-02-12 株式会社東芝 磁気共鳴イメージング装置
CA2760053C (en) * 2009-06-19 2020-02-11 Viewray Incorporated System and method for performing tomographic image acquisition and reconstruction
CA3090069C (en) * 2009-07-15 2024-05-07 Viewray Technologies, Inc. Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
US8896308B2 (en) * 2009-11-20 2014-11-25 Viewray Incorporated Self-shielded gradient coil
US20110201920A1 (en) * 2010-02-12 2011-08-18 Elekta Ab (Publ) Radiotherapy and imaging apparatus
US9694205B2 (en) 2010-02-12 2017-07-04 Elekta Ab (Publ) Radiotherapy and imaging apparatus
EP3572823B1 (en) * 2010-02-24 2022-04-06 ViewRay Technologies, Inc. Split magnetic resonance imaging system
RU2567267C2 (ru) * 2010-12-08 2015-11-10 Электа Аб (Пабл) Устройство для лучевой терапии
CN103281968B (zh) * 2010-12-22 2017-04-12 优瑞技术公司 用于在医疗过程中进行图像引导的系统和方法
EP2500909A1 (en) * 2011-03-16 2012-09-19 Deutsches Krebsforschungszentrum Stiftung des Öffentlichen Rechts Position sensoring method and system for a multi-leaf collimator
CN103562740B (zh) * 2011-05-31 2016-11-16 皇家飞利浦有限公司 Mri放射治疗装置的静态磁场的校正
US8981779B2 (en) * 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
US10561861B2 (en) * 2012-05-02 2020-02-18 Viewray Technologies, Inc. Videographic display of real-time medical treatment
CA2888993A1 (en) * 2012-10-26 2014-05-01 Viewray Incorporated Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
US9404983B2 (en) * 2013-03-12 2016-08-02 Viewray, Incorporated Radio frequency transmit coil for magnetic resonance imaging system
US9289626B2 (en) * 2013-03-13 2016-03-22 Viewray Incorporated Systems and methods for improved radioisotopic dose calculation and delivery
US8952346B2 (en) * 2013-03-14 2015-02-10 Viewray Incorporated Systems and methods for isotopic source external beam radiotherapy
US9446263B2 (en) * 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
EP3077991A1 (en) * 2013-12-03 2016-10-12 ViewRay Technologies, Inc. Single-and multi-modality alignment of medical images in the presence of non-rigid deformations using phase correlation

Also Published As

Publication number Publication date
US9675271B2 (en) 2017-06-13
EP2968978A1 (en) 2016-01-20
CN108992795A (zh) 2018-12-14
EP2968978B1 (en) 2017-12-27
HK1219914A1 (en) 2017-04-21
CN105188846A (zh) 2015-12-23
JP6426141B2 (ja) 2018-11-21
AU2014248982B2 (en) 2018-04-26
US20140275963A1 (en) 2014-09-18
AU2018204185B2 (en) 2019-03-07
AU2018204185A1 (en) 2018-07-05
US20170281043A1 (en) 2017-10-05
CA2904603C (en) 2021-08-24
KR20150135348A (ko) 2015-12-02
WO2014164821A1 (en) 2014-10-09
CN105188846B (zh) 2018-05-29
CA3124185A1 (en) 2014-10-09
EP3360599A1 (en) 2018-08-15
JP2016512462A (ja) 2016-04-28
JP2019030716A (ja) 2019-02-28
JP6791928B2 (ja) 2020-11-25
CA2904603A1 (en) 2014-10-09
CN108992795B (zh) 2021-02-19
AU2014248982A1 (en) 2015-09-24
EP3360599B1 (en) 2020-05-06

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