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
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)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (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) CN108992795B (enExample)
AU (2) AU2014248982B2 (enExample)
CA (2) CA3124185C (enExample)
WO (1) WO2014164821A1 (enExample)

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EP1725166B1 (en) 2004-02-20 2011-03-30 University of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
WO2011008969A1 (en) 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
WO2011106524A1 (en) 2010-02-24 2011-09-01 Viewray Incorporated 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
AU2013334064A1 (en) 2012-10-26 2015-05-14 Viewray Technologies, Inc. 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
WO2014203105A1 (en) * 2013-06-21 2014-12-24 Koninklijke Philips N.V. Cryostat and system for combined magnetic resonance imaging and radiation therapy
BR112015031516A2 (pt) * 2013-06-21 2017-07-25 Koninklijke Philips Nv aparelho de ressonância magnética
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
EP3423153B1 (en) 2016-03-02 2021-05-19 ViewRay Technologies, Inc. Particle therapy with magnetic resonance imaging
CN115407252A (zh) 2016-06-22 2022-11-29 优瑞技术公司 低场强磁共振成像
US11000706B2 (en) 2016-12-13 2021-05-11 Viewray Technologies, Inc. Radiation therapy systems and methods
GB2568080B (en) * 2017-11-03 2020-09-09 Elekta ltd Operation and control of magnetic resonance imaging apparatus
CN111712298B (zh) 2017-12-06 2023-04-04 优瑞技术公司 放射疗法系统
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
CN114796894B (zh) 2018-11-14 2025-03-25 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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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
EP1725166B1 (en) * 2004-02-20 2011-03-30 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
CN106154192B (zh) * 2009-06-19 2020-10-13 优瑞技术公司 用于执行断层图像获取和重构的系统和方法
WO2011008969A1 (en) 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
AU2010321714B2 (en) 2009-11-20 2014-10-23 Viewray Technologies, Inc. Self shielded gradient coil
US9694205B2 (en) 2010-02-12 2017-07-04 Elekta Ab (Publ) Radiotherapy and imaging apparatus
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JP6018185B2 (ja) * 2011-05-31 2016-11-02 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｍｒｉ放射線治療装置の静磁場補正
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
AU2013334064A1 (en) * 2012-10-26 2015-05-14 Viewray Technologies, Inc. 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
CA3187156A1 (en) * 2013-12-03 2015-06-11 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
EP2968978A1 (en) 2016-01-20
AU2018204185B2 (en) 2019-03-07
EP2968978B1 (en) 2017-12-27
CN108992795A (zh) 2018-12-14
US9675271B2 (en) 2017-06-13
AU2014248982B2 (en) 2018-04-26
EP3360599A1 (en) 2018-08-15
AU2018204185A1 (en) 2018-07-05
JP6791928B2 (ja) 2020-11-25
JP2019030716A (ja) 2019-02-28
CN108992795B (zh) 2021-02-19
EP3360599B1 (en) 2020-05-06
WO2014164821A1 (en) 2014-10-09
US20170281043A1 (en) 2017-10-05
CN105188846A (zh) 2015-12-23
CA3124185A1 (en) 2014-10-09
KR20150135348A (ko) 2015-12-02
CN105188846B (zh) 2018-05-29
JP6426141B2 (ja) 2018-11-21
AU2014248982A1 (en) 2015-09-24
JP2016512462A (ja) 2016-04-28
HK1219914A1 (en) 2017-04-21
CA2904603C (en) 2021-08-24
US20140275963A1 (en) 2014-09-18
CA2904603A1 (en) 2014-10-09

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