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)
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CA3124185A1 (en
Inventor
Shmaryu M. Shvartsman
James F. Dempsey
David NIKOLY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ViewRay Systems Inc
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ViewRay Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Publication of CA3124185A1 publication Critical patent/CA3124185A1/en
Application granted granted Critical
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)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (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 2013-03-13
US13/801,680 US9675271B2 (en) 2013-03-13 2013-03-13 Systems and methods for radiotherapy with magnetic resonance imaging
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 (https=)
EP (2) EP3360599B1 (https=)
JP (2) JP6426141B2 (https=)
KR (1) KR20150135348A (https=)
CN (2) CN105188846B (https=)
AU (2) AU2014248982B2 (https=)
CA (2) CA3124185C (https=)
WO (1) WO2014164821A1 (https=)

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JP5110881B2 (ja) 2004-02-20 2012-12-26 ユニバーシティ オブ フロリダ リサーチ ファウンデーション，インコーポレイティド 軟組織を同時に画像化しながら等角放射線治療を送達するためのシステム
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
AU2011220724B2 (en) 2010-02-24 2014-09-18 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
CN108452443B (zh) 2012-10-26 2021-05-18 优瑞技术公司 利用对放射疗法的生理反应的成像对治疗评估的系统
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
EP3011354B1 (en) * 2013-06-21 2020-12-09 Koninklijke Philips N.V. Shim system for a magnetic resonance hybrid scanner
GB2519595B (en) * 2013-10-28 2015-09-23 Elekta Ab Image guided radiation therapy apparatus
CA2976331C (en) 2015-02-11 2024-02-27 Viewray Technologies, Inc. Planning and control for magnetic resonance guided radiation therapy
CN109310879A (zh) 2016-03-02 2019-02-05 优瑞技术公司 利用磁共振成像的粒子疗法
CN115407252A (zh) 2016-06-22 2022-11-29 优瑞技术公司 低场强磁共振成像
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
EP3710112B1 (en) 2017-12-06 2025-08-27 Viewray Systems, Inc. Optimization of multimodal radiotherapy
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
CN114668987B (zh) 2018-11-14 2025-11-25 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
WO2021108684A1 (en) * 2019-11-25 2021-06-03 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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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
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GB2393373A (en) 2002-09-13 2004-03-24 Elekta Ab MRI in guided radiotherapy and position verification
JP5110881B2 (ja) * 2004-02-20 2012-12-26 ユニバーシティ オブ フロリダ リサーチ ファウンデーション，インコーポレイティド 軟組織を同時に画像化しながら等角放射線治療を送達するためのシステム
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
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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
CN108452443B (zh) * 2012-10-26 2021-05-18 优瑞技术公司 利用对放射疗法的生理反应的成像对治疗评估的系统
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Also Published As

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

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