CA3028716C - Magnetic resonance imaging at low field strength - Google Patents

Magnetic resonance imaging at low field strength Download PDF

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Publication number
CA3028716C
CA3028716C CA3028716A CA3028716A CA3028716C CA 3028716 C CA3028716 C CA 3028716C CA 3028716 A CA3028716 A CA 3028716A CA 3028716 A CA3028716 A CA 3028716A CA 3028716 C CA3028716 C CA 3028716C
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Prior art keywords
magnetic resonance
resonance imaging
computer program
program product
imaging system
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CA3028716A
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English (en)
French (fr)
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CA3028716A1 (en
Inventor
James F. Dempsey
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ViewRay Systems Inc
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ViewRay Technologies Inc
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
    • 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
    • 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
    • G01R33/0017—Means for compensating offset magnetic fields or the magnetic flux to be measured; Means for generating calibration magnetic fields
    • 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
    • G01R33/285—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR
    • G01R33/287—Invasive instruments, e.g. catheters or biopsy needles, specially adapted for tracking, guiding or visualization by NMR involving active visualization of interventional instruments, e.g. using active tracking RF coils or coils for intentionally creating magnetic field inhomogeneities
    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • 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]
    • 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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • 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]
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic imaging
    • G01R33/56325—Cine imaging
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56536—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to magnetic susceptibility variations

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Electromagnetism (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Pulmonology (AREA)
  • Theoretical Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)
CA3028716A 2016-06-22 2017-06-22 Magnetic resonance imaging at low field strength Active CA3028716C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662353538P 2016-06-22 2016-06-22
US62/353,538 2016-06-22
PCT/US2017/038867 WO2017223382A1 (en) 2016-06-22 2017-06-22 Magnetic resonance imaging at low field strength

Publications (2)

Publication Number Publication Date
CA3028716A1 CA3028716A1 (en) 2017-12-28
CA3028716C true CA3028716C (en) 2024-02-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA3028716A Active CA3028716C (en) 2016-06-22 2017-06-22 Magnetic resonance imaging at low field strength

Country Status (8)

Country Link
US (4) US11378629B2 (cg-RX-API-DMAC10.html)
EP (1) EP3475718B1 (cg-RX-API-DMAC10.html)
JP (3) JP7098539B2 (cg-RX-API-DMAC10.html)
KR (1) KR20190043129A (cg-RX-API-DMAC10.html)
CN (2) CN109642933B (cg-RX-API-DMAC10.html)
AU (1) AU2017281519A1 (cg-RX-API-DMAC10.html)
CA (1) CA3028716C (cg-RX-API-DMAC10.html)
WO (1) WO2017223382A1 (cg-RX-API-DMAC10.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7907987B2 (en) 2004-02-20 2011-03-15 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
US9472000B2 (en) 2009-06-19 2016-10-18 Viewray Technologies, Inc. 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
EP3628370A1 (en) 2012-10-26 2020-04-01 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
WO2015010189A1 (en) 2013-07-24 2015-01-29 Centre For Surgical Invention & Innovation Multi-function mounting interface for an image-guided robotic system and quick release interventional toolset
CN110136176B (zh) 2013-12-03 2022-12-09 优瑞技术公司 确定与医学图像的位移的系统
CA3016026A1 (en) 2016-03-02 2017-09-08 Viewray Technologies, Inc. Particle therapy with magnetic resonance imaging
KR20190043129A (ko) * 2016-06-22 2019-04-25 뷰레이 테크놀로지스 인크. 약한 필드 강도에서의 자기 공명 영상화
US11284811B2 (en) 2016-06-22 2022-03-29 Viewray Technologies, Inc. Magnetic resonance volumetric imaging
CN110382049A (zh) 2016-12-13 2019-10-25 优瑞技术公司 放射治疗系统和方法
DE102017201327A1 (de) * 2017-01-27 2018-08-02 Friedrich-Alexander-Universität Erlangen-Nürnberg Aufzeichnen von diagnostischen Messdaten eines Herzens mittels eines Magnetresonanzgeräts
CN111712298B (zh) 2017-12-06 2023-04-04 优瑞技术公司 放射疗法系统
EP3550319A1 (en) * 2018-04-05 2019-10-09 Koninklijke Philips N.V. Emulation mode for mri
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
MX2021010072A (es) * 2019-02-22 2021-12-10 Promaxo Inc Sistemas y métodos para la realización de imágenes por resonancia magnética.
US11040221B2 (en) 2019-08-13 2021-06-22 Elekta Ltd. Adaptive radiation therapy using composite imaging slices
WO2021081626A1 (en) 2019-10-29 2021-05-06 Elekta Ltd. Cardiac ablation using an mr linac
DE102021127102A1 (de) 2021-10-19 2023-04-20 Otto-von-Guericke-Universität Magdeburg, Körperschaft des öffentlichen Rechts Medizinisches System

Family Cites Families (315)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4612596A (en) 1985-03-18 1986-09-16 Kabushiki Kaisha Toshiba Circuit for stabilizing electromagnet coil current of a magnetic resonance imaging device
US4694837A (en) 1985-08-09 1987-09-22 Picker International, Inc. Cardiac and respiratory gated magnetic resonance imaging
US4766378A (en) 1986-11-28 1988-08-23 Fonar Corporation Nuclear magnetic resonance scanners
GB8808334D0 (en) 1988-04-08 1988-05-11 Magnex Scient Ltd Electromagnets
JPH02243132A (ja) * 1989-03-17 1990-09-27 Toshiba Corp 磁気共鳴イメージング装置
US5023554A (en) 1989-05-22 1991-06-11 The Reagents Of The University Of California Fringe field MRI
JPH0415039A (ja) * 1990-05-09 1992-01-20 Toshiba Corp Ｍｒｉ装置の撮影法
US5734384A (en) 1991-11-29 1998-03-31 Picker International, Inc. Cross-referenced sectioning and reprojection of diagnostic image volumes
US5412363A (en) 1991-12-20 1995-05-02 Applied Superconetics, Inc. Open access superconducting MRI magnet
US5317616A (en) 1992-03-19 1994-05-31 Wisconsin Alumni Research Foundation Method and apparatus for radiation therapy
US5351280A (en) 1992-03-19 1994-09-27 Wisconsin Alumni Research Foundation Multi-leaf radiation attenuator for radiation therapy
US5332908A (en) 1992-03-31 1994-07-26 Siemens Medical Laboratories, Inc. Method for dynamic beam profile generation
US5216255A (en) 1992-03-31 1993-06-01 Siemens Medical Laboratories Beam profile generator for photon radiation
US5382904A (en) 1992-04-15 1995-01-17 Houston Advanced Research Center Structured coil electromagnets for magnetic resonance imaging and method for fabricating the same
US5596619A (en) 1992-08-21 1997-01-21 Nomos Corporation Method and apparatus for conformal radiation therapy
US6005916A (en) 1992-10-14 1999-12-21 Techniscan, Inc. Apparatus and method for imaging with wavefields using inverse scattering techniques
US6414490B1 (en) 1992-12-18 2002-07-02 Fonar Corporation MRI magnet with enhanced patient entry and positioning
EP0810005B1 (en) 1993-06-09 2000-09-27 Wisconsin Alumni Research Foundation Radiation therapy system
US5373844A (en) 1993-06-14 1994-12-20 The Regents Of The University Of California Inverse treatment planning method and apparatus for stereotactic radiosurgery
FI98411C (fi) 1993-08-20 1997-06-10 Picker Nordstar Oy Parannettu virtalähde
US5458125A (en) 1994-01-28 1995-10-17 Board Of Directors Of The Leland Standford Jr. University Treatment planning method and apparatus for radiosurgery and radiation therapy
US5538494A (en) 1994-03-17 1996-07-23 Hitachi, Ltd. Radioactive beam irradiation method and apparatus taking movement of the irradiation area into consideration
US5537452A (en) 1994-05-10 1996-07-16 Shepherd; Joseph S. Radiation therapy and radiation surgery treatment system and methods of use of same
US5402094A (en) 1994-08-15 1995-03-28 Enge; Harald A. MRI mammography magnet
US5602982A (en) 1994-09-23 1997-02-11 Kelly Properties, Inc. Universal automated training and testing software system
US5513238A (en) 1994-10-11 1996-04-30 Radionics, Inc. Automatic planning for radiation dosimetry
US5555283A (en) 1995-06-07 1996-09-10 Board Of Regents Of The University Of Texas System Computer-controlled miniature multileaf collimator
US6351659B1 (en) 1995-09-28 2002-02-26 Brainlab Med. Computersysteme Gmbh Neuro-navigation system
GB9520564D0 (en) 1995-10-07 1995-12-13 Philips Electronics Nv Apparatus for treating a patient
US5708362A (en) 1995-11-16 1998-01-13 Siemens Aktiengesellschaft Magnet arrangement for a diagnostic magnetic resonance apparatus
JPH09154961A (ja) 1995-12-07 1997-06-17 Toshiba Medical Eng Co Ltd 放射線治療計画法
US6260005B1 (en) 1996-03-05 2001-07-10 The Regents Of The University Of California Falcon: automated optimization method for arbitrary assessment criteria
US5602892A (en) 1996-03-21 1997-02-11 Llacer; Jorge Method for optimization of radiation therapy planning
US5851182A (en) 1996-09-11 1998-12-22 Sahadevan; Velayudhan Megavoltage radiation therapy machine combined to diagnostic imaging devices for cost efficient conventional and 3D conformal radiation therapy with on-line Isodose port and diagnostic radiology
JP2001507954A (ja) 1996-10-24 2001-06-19 ノモス・コーポレーシヨン 放射照射線量決定の立案法およびその装置
US5757881A (en) 1997-01-06 1998-05-26 Siemens Business Communication Systems, Inc. Redundant field-defining arrays for a radiation system
JP4040742B2 (ja) 1997-03-28 2008-01-30 株式会社東芝 Ｍｒｉ装置
DE19715202B4 (de) 1997-04-11 2006-02-02 Brainlab Ag Referenzierungsvorrichtung mit einem Mundstück
SE512603C2 (sv) 1997-06-19 2000-04-10 Elekta Ab Metod och anordning för automatiserad dosplanering
US6011393A (en) 1997-06-26 2000-01-04 Toshiba America Mri, Inc. Self-supporting RF coil for MRI
US6052430A (en) 1997-09-25 2000-04-18 Siemens Medical Systems, Inc. Dynamic sub-space intensity modulation
US6526123B2 (en) 1997-09-29 2003-02-25 Moshe Ein-Gal Multiple layer multileaf collimator
US5936502A (en) 1997-12-05 1999-08-10 Picker Nordstar Inc. Magnet coils for MRI
CA2313006C (en) * 1997-12-12 2006-04-11 Wisconsin Alumni Research Foundation Rapid acquisition magnetic resonance imaging using radial projections
US6198957B1 (en) 1997-12-19 2001-03-06 Varian, Inc. Radiotherapy machine including magnetic resonance imaging system
US6240162B1 (en) 1998-01-15 2001-05-29 Siemens Medical Systems, Inc. Precision dosimetry in an intensity modulated radiation treatment system
US6327490B1 (en) 1998-02-27 2001-12-04 Varian Medical Systems, Inc. Brachytherapy system for prostate cancer treatment with computer implemented systems and processes to facilitate pre-implantation planning and post-implantation evaluations with storage of multiple plan variations for a single patient
US6487435B2 (en) 1998-04-10 2002-11-26 Wisconsin Alumni Research Foundation Magnetic resonance angiography using undersampled 3D projection imaging
US6381486B1 (en) 1999-01-08 2002-04-30 Wisconsin Alumni Research Foundation Magnetic resonance angiography with vessel segmentation
US6175761B1 (en) 1998-04-21 2001-01-16 Bechtel Bwxt Idaho, Llc Methods and computer executable instructions for rapidly calculating simulated particle transport through geometrically modeled treatment volumes having uniform volume elements for use in radiotherapy
US6393096B1 (en) 1998-05-27 2002-05-21 Nomos Corporation Planning method and apparatus for radiation dosimetry
US7096055B1 (en) 1998-06-24 2006-08-22 Achim Schweikard Method to control delivery of radiation therapy
DE19829224B4 (de) 1998-06-30 2005-12-15 Brainlab Ag Verfahren zur Lokalisation von Behandlungszielen im Bereich weicher Körperteile
DE69934893T2 (de) 1998-08-06 2007-11-08 Wisconsin Alumni Research Foundation, Madison Vorrichtung zur erstellung eines strahlungsbehandlungsplanes
DE69931164T2 (de) 1998-08-06 2007-02-01 Wisconsin Alumni Research Foundation, Madison System zur anpassung der strahlenabgabe für strahlentherapie
US6600810B1 (en) 1998-08-10 2003-07-29 Siemens Medical Solutions Usa, Inc. Multiple layer multileaf collimator design to improve resolution and reduce leakage
US6112112A (en) 1998-09-18 2000-08-29 Arch Development Corporation Method and system for the assessment of tumor extent in magnetic resonance images
DE19848765C2 (de) 1998-10-22 2000-12-21 Brainlab Med Computersyst Gmbh Positionsverifizierung in Kamerabildern
US6621889B1 (en) 1998-10-23 2003-09-16 Varian Medical Systems, Inc. Method and system for predictive physiological gating of radiation therapy
US6937696B1 (en) 1998-10-23 2005-08-30 Varian Medical Systems Technologies, Inc. Method and system for predictive physiological gating
US6980679B2 (en) 1998-10-23 2005-12-27 Varian Medical System Technologies, Inc. Method and system for monitoring breathing activity of a subject
US6144875A (en) 1999-03-16 2000-11-07 Accuray Incorporated Apparatus and method for compensating for respiratory and patient motion during treatment
US6501981B1 (en) 1999-03-16 2002-12-31 Accuray, Inc. Apparatus and method for compensating for respiratory and patient motions during treatment
US6778850B1 (en) 1999-03-16 2004-08-17 Accuray, Inc. Frameless radiosurgery treatment system and method
ATE289844T1 (de) 1999-04-02 2005-03-15 Wisconsin Alumni Res Found Megavolt-computertomographie während der strahlentherapie
DE19917867B4 (de) 1999-04-20 2005-04-21 Brainlab Ag Verfahren und Vorrichtung zur Bildunterstützung bei der Behandlung von Behandlungszielen mit Integration von Röntgenerfassung und Navigationssystem
US6512813B1 (en) 1999-05-03 2003-01-28 Franz Krispel Rotating stereotactic treatment system
DE19944516B4 (de) 1999-09-16 2006-08-17 Brainlab Ag Dreidimensionale Formerfassung mit Kamerabildern
DE19953177A1 (de) 1999-11-04 2001-06-21 Brainlab Ag Exakte Patientenpositionierung durch Vergleich von rekonstruierten und Linac-Röntgenbildern
US6546073B1 (en) 1999-11-05 2003-04-08 Georgia Tech Research Corporation Systems and methods for global optimization of treatment planning for external beam radiation therapy
US7046762B2 (en) 1999-11-05 2006-05-16 Georgia Tech Research Corporation Systems and methods for global optimization of treatment planning for external beam radiation therapy
US6542767B1 (en) 1999-11-09 2003-04-01 Biotex, Inc. Method and system for controlling heat delivery to a target
US6314159B1 (en) 1999-12-08 2001-11-06 Siemens Medical Systems, Inc. System and method for optimizing radiation treatment with an intensity modulating multi-leaf collimator
US6349129B1 (en) 1999-12-08 2002-02-19 Siemens Medical Solutions Usa, Inc. System and method for defining radiation treatment intensity maps
DE19964016B4 (de) 1999-12-30 2005-06-23 Brainlab Ag Verfahren und Vorrichtung zur Positionierung eines Körpers mit einem Lagesensor zur Bestrahlung
DE10000937B4 (de) 2000-01-12 2006-02-23 Brainlab Ag Intraoperative Navigationsaktualisierung
US20030155530A1 (en) 2000-01-14 2003-08-21 Nabil Adnani Linac neutron therapy and imaging
US6725078B2 (en) 2000-01-31 2004-04-20 St. Louis University System combining proton beam irradiation and magnetic resonance imaging
EP1299031A4 (en) 2000-03-21 2006-02-08 Bechtel Bwxt Idaho Llc METHOD AND COMPUTER MEDIUM FOR IMPROVED RADIO THERAPY DOSE PLANTING
ATE221344T1 (de) 2000-04-05 2002-08-15 Brainlab Ag Referenzierung eines patienten in einem medizinischen navigationssystem mittels aufgestrahlter lichtpunkte
US6636645B1 (en) 2000-06-29 2003-10-21 Eastman Kodak Company Image processing method for reducing noise and blocking artifact in a digital image
DE10033063A1 (de) 2000-07-07 2002-01-24 Brainlab Ag Verfahren zur atmungskompensierten Strahlenbehandlung
US6594516B1 (en) 2000-07-18 2003-07-15 Koninklijke Philips Electronics, N.V. External patient contouring
US6466813B1 (en) 2000-07-22 2002-10-15 Koninklijke Philips Electronics N.V. Method and apparatus for MR-based volumetric frameless 3-D interactive localization, virtual simulation, and dosimetric radiation therapy planning
US6757355B1 (en) 2000-08-17 2004-06-29 Siemens Medical Solutions Usa, Inc. High definition radiation treatment with an intensity modulating multi-leaf collimator
US8565860B2 (en) 2000-08-21 2013-10-22 Biosensors International Group, Ltd. Radioactive emission detector equipped with a position tracking system
US6330300B1 (en) 2000-08-23 2001-12-11 Siemens Medical Solutions Usa, Inc. High definition intensity modulating radiation therapy system and method
ATE221686T1 (de) 2000-09-01 2002-08-15 Brainlab Ag Stufenfreie darstellung von zwei- oder dreidimensionalen datensätzen durch krümmungsminimierende verschiebung von pixelwerten
US6885886B2 (en) 2000-09-11 2005-04-26 Brainlab Ag Method and system for visualizing a body volume and computer program product
US6504899B2 (en) 2000-09-25 2003-01-07 The Board Of Trustees Of The Leland Stanford Junior University Method for selecting beam orientations in intensity modulated radiation therapy
US6775405B1 (en) 2000-09-29 2004-08-10 Koninklijke Philips Electronics, N.V. Image registration system and method using cross-entropy optimization
US6719683B2 (en) 2000-09-30 2004-04-13 Brainlab Ag Radiotherapy treatment planning with multiple inverse planning results
DE10051370A1 (de) 2000-10-17 2002-05-02 Brainlab Ag Verfahren und Vorrichtung zur exakten Patientenpositionierung in der Strahlentherapie und Radiochirurgie
WO2002035983A2 (en) 2000-11-03 2002-05-10 Biocellulase, Inc. System and method for tissue treatment
US6411675B1 (en) 2000-11-13 2002-06-25 Jorge Llacer Stochastic method for optimization of radiation therapy planning
US6570475B1 (en) 2000-11-20 2003-05-27 Intermagnetics General Corp. Split type magnetic resonance imaging magnet
ATE233517T1 (de) 2000-11-22 2003-03-15 Brainlab Ag Verfahren zur bestimmung der lungenfüllung
US6414487B1 (en) 2000-11-22 2002-07-02 Philips Medical Systems (Cleveland), Inc. Time and memory optimized method of acquiring and reconstructing multi-shot 3D MRI data
DE50002603D1 (de) 2000-11-24 2003-07-24 Brainlab Ag Vorrichtung und Verfahren zur Navigation
US20030028090A1 (en) 2000-12-20 2003-02-06 Image-Guided Neurologics, Inc. Method for dynamic characterization of density fields in a compound structure
US7308298B2 (en) * 2000-12-22 2007-12-11 Kabushiki Kaisha Toshiba Magnetic resonance imaging using MT pulse of which duration is shorter
JP2002186676A (ja) 2000-12-22 2002-07-02 Hitachi Medical Corp 絞り装置および該絞り装置を用いた放射線治療装置
US6564084B2 (en) 2001-03-02 2003-05-13 Draeger Medical, Inc. Magnetic field shielding and detecting device and method thereof
EP1238684B1 (de) 2001-03-05 2004-03-17 BrainLAB AG Verfahren zur Erstellung bzw. Aktualisierung eines Bestrahlungsplans
ATE261745T1 (de) 2001-03-05 2004-04-15 Brainlab Ag Verfahren zur erstellung bzw. aktualisierung eines bestrahlungsplans
US7046831B2 (en) 2001-03-09 2006-05-16 Tomotherapy Incorporated System and method for fusion-aligned reprojection of incomplete data
US6661870B2 (en) 2001-03-09 2003-12-09 Tomotherapy Incorporated Fluence adjustment for improving delivery to voxels without reoptimization
JP4037272B2 (ja) * 2001-03-14 2008-01-23 株式会社日立メディコ 磁気共鳴イメージング装置及びそれに用いられる静磁場発生装置
US6708054B2 (en) 2001-04-12 2004-03-16 Koninklijke Philips Electronics, N.V. MR-based real-time radiation therapy oncology simulator
ES2194809T3 (es) 2001-05-22 2003-12-01 Brainlab Ag Aparato para registrar imagenes radiograficas con un sistema de navegacion medica.
US20030068097A1 (en) 2001-06-15 2003-04-10 Massachusetts Institute Of Technology Adaptive mean estimation and normalization of data
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
US7061240B2 (en) * 2001-11-26 2006-06-13 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method with reduced acoustic noise
US7092573B2 (en) 2001-12-10 2006-08-15 Eastman Kodak Company Method and system for selectively applying enhancement to an image
ES2215985T3 (es) 2001-12-18 2004-10-16 Brainlab Ag Superposicion de datos de imagen de rayos x de un paciente, o datos de imagen de escaner e imagenes de video.
US7221733B1 (en) 2002-01-02 2007-05-22 Varian Medical Systems Technologies, Inc. Method and apparatus for irradiating a target
US6657391B2 (en) 2002-02-07 2003-12-02 Siemens Medical Solutions Usa, Inc. Apparatus and method for establishing a Q-factor of a cavity for an accelerator
JP4686128B2 (ja) 2002-03-06 2011-05-18 トモセラピー インコーポレイテッド 放射線送達装置の制御方法及び放射線治療を送達するシステム
DE10211244A1 (de) 2002-03-13 2003-10-23 Lactec Ges Fuer Moderne Lackte Lackieranlage zum Aufbringen von flüssigem Beschichtungsmaterial
US20030181804A1 (en) 2002-03-20 2003-09-25 Koninklijke Philips Electronics N.V. Distributed diagnostic imaging systems
FR2839894A1 (fr) 2002-05-21 2003-11-28 Chabunda Christophe Mwanza Procedes, appareils de cyclotherapie image-guidee et mode d'obtention d'images scanographiques diagnostiques instantanees pour la planification et la dosimetrie en ligne
US6735277B2 (en) 2002-05-23 2004-05-11 Koninklijke Philips Electronics N.V. Inverse planning for intensity-modulated radiotherapy
US7099428B2 (en) 2002-06-25 2006-08-29 The Regents Of The University Of Michigan High spatial resolution X-ray computed tomography (CT) system
US6728336B2 (en) 2002-07-12 2004-04-27 General Hospital Corporation Arrangements and methods for treating a subject
US7162005B2 (en) 2002-07-19 2007-01-09 Varian Medical Systems Technologies, Inc. Radiation sources and compact radiation scanning systems
GB2393373A (en) 2002-09-13 2004-03-24 Elekta Ab MRI in guided radiotherapy and position verification
US6853704B2 (en) 2002-09-23 2005-02-08 Siemens Medical Solutions Usa, Inc. System providing multiple focused radiation beams
US7227925B1 (en) 2002-10-02 2007-06-05 Varian Medical Systems Technologies, Inc. Gantry mounted stereoscopic imaging system
US7289599B2 (en) 2002-10-04 2007-10-30 Varian Medical Systems Technologies, Inc. Radiation process and apparatus
US7657304B2 (en) 2002-10-05 2010-02-02 Varian Medical Systems, Inc. Imaging device for radiation treatment applications
AU2003277432A1 (en) 2002-10-16 2004-05-04 Varian Medical Systems Technologies, Inc. Method and apparatus for excess signal correction in an imager
US7260426B2 (en) 2002-11-12 2007-08-21 Accuray Incorporated Method and apparatus for tracking an internal target region without an implanted fiducial
US7276906B2 (en) * 2002-11-20 2007-10-02 Koninklijke Philips Electronics N.V. Self-shielded gradient field coil for magnetic resonance imaging
US7317782B2 (en) 2003-01-31 2008-01-08 Varian Medical Systems Technologies, Inc. Radiation scanning of cargo conveyances at seaports and the like
US20050143965A1 (en) 2003-03-14 2005-06-30 Failla Gregory A. Deterministic computation of radiation doses delivered to tissues and organs of a living organism
US20040254448A1 (en) 2003-03-24 2004-12-16 Amies Christopher Jude Active therapy redefinition
US7570987B2 (en) 2003-04-04 2009-08-04 Brainlab Ag Perspective registration and visualization of internal areas of the body
US7542622B1 (en) 2003-06-02 2009-06-02 The Trustees Of Columbia University In The City Of New York Spatio-temporal treatment of noisy images using brushlets
US7171257B2 (en) 2003-06-11 2007-01-30 Accuray Incorporated Apparatus and method for radiosurgery
US7778691B2 (en) 2003-06-13 2010-08-17 Wisconsin Alumni Research Foundation Apparatus and method using synchronized breathing to treat tissue subject to respiratory motion
US7412029B2 (en) 2003-06-25 2008-08-12 Varian Medical Systems Technologies, Inc. Treatment planning, simulation, and verification system
WO2005003805A1 (en) 2003-06-27 2005-01-13 Case Western University Efficient method for mr image reconstruction using coil sensitivity encoding
GB2403884B (en) 2003-07-08 2006-03-01 Elekta Ab Multi-leaf collimator
US7266175B1 (en) 2003-07-11 2007-09-04 Nomos Corporation Planning method for radiation therapy
US7463823B2 (en) 2003-07-24 2008-12-09 Brainlab Ag Stereoscopic visualization device for patient image data and video images
US7204640B2 (en) 2003-08-29 2007-04-17 Accuray, Inc. Apparatus and method for registering 2D radiographic images with images reconstructed from 3D scan data
US8571639B2 (en) 2003-09-05 2013-10-29 Varian Medical Systems, Inc. Systems and methods for gating medical procedures
US20050053267A1 (en) 2003-09-05 2005-03-10 Varian Medical Systems Technologies, Inc. Systems and methods for tracking moving targets and monitoring object positions
US6999555B2 (en) 2003-09-15 2006-02-14 Varian Medical Systems Imaging Laboratory Gmbh Systems and methods for processing data
US7315636B2 (en) 2003-09-18 2008-01-01 Accuray, Inc. Generation of reconstructed images
WO2005030330A1 (en) 2003-09-30 2005-04-07 Koninklijke Philips Electronics, N.V. Target tracking method and apparatus for radiation treatment planning and delivery
US7053617B2 (en) 2003-10-01 2006-05-30 General Electric Co. Integrated electronic RF shielding apparatus for an MRI magnet
US7589326B2 (en) 2003-10-15 2009-09-15 Varian Medical Systems Technologies, Inc. Systems and methods for image acquisition
US7002408B2 (en) 2003-10-15 2006-02-21 Varian Medical Systems Technologies, Inc. Data signal amplifier and processor with multiple signal gains for increased dynamic signal range
US7154991B2 (en) 2003-10-17 2006-12-26 Accuray, Inc. Patient positioning assembly for therapeutic radiation system
US20070197908A1 (en) 2003-10-29 2007-08-23 Ruchala Kenneth J System and method for calibrating and positioning a radiation therapy treatment table
US7202663B2 (en) 2003-11-12 2007-04-10 Iovivo Corporation Method for generating fast magnetic resonance images
US20050207531A1 (en) 2004-01-20 2005-09-22 University Of Florida Research Foundation, Inc. Radiation therapy system using interior-point methods and convex models for intensity modulated fluence map optimization
US7230429B1 (en) 2004-01-23 2007-06-12 Invivo Corporation Method for applying an in-painting technique to correct images in parallel imaging
EP1563799B2 (de) 2004-02-11 2012-11-28 BrainLAB AG Verstellbare Markeranordnung
US7907987B2 (en) 2004-02-20 2011-03-15 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
US7477776B2 (en) 2004-03-01 2009-01-13 Brainlab Ag Method and apparatus for determining a plane of symmetry of a three-dimensional object
CN101833116B (zh) 2004-03-01 2012-07-04 瓦润医药系统公司 通过中子和缓发中子识别特定核材料的存在
JP4392280B2 (ja) 2004-03-26 2009-12-24 株式会社日立製作所 放射性同位元素製造装置および放射性薬剤製造装置
US7046765B2 (en) 2004-03-31 2006-05-16 Accuray, Inc. Radiosurgery x-ray system with collision avoidance subsystem
US7166852B2 (en) 2004-04-06 2007-01-23 Accuray, Inc. Treatment target positioning system
US7142635B2 (en) 2004-04-08 2006-11-28 University Of Florida Research Foundation, Inc. Field splitting for intensity modulated fields of large size
CN1950712B (zh) * 2004-04-29 2012-09-26 皇家飞利浦电子股份有限公司 若干rf频率上的磁共振成像
US7460117B2 (en) 2004-05-25 2008-12-02 Siemens Medical Solutions Usa, Inc. Sliding texture volume rendering
US7130372B2 (en) 2004-06-08 2006-10-31 Siemens Medical Solutions Usa, Inc. Linear accelerator with X-ray imaging elements mounted on curved support
US20060017411A1 (en) 2004-06-17 2006-01-26 Accsys Technology, Inc. Mobile/transportable PET radioisotope system with omnidirectional self-shielding
CN101019036A (zh) 2004-06-17 2007-08-15 皇家飞利浦电子股份有限公司 带有铁辅助磁场梯度系统的磁共振成像系统
US7805177B2 (en) 2004-06-23 2010-09-28 M2S, Inc. Method for determining the risk of rupture of a blood vessel
US7231076B2 (en) 2004-06-30 2007-06-12 Accuray, Inc. ROI selection in image registration
US7327865B2 (en) 2004-06-30 2008-02-05 Accuray, Inc. Fiducial-less tracking with non-rigid image registration
US7426318B2 (en) 2004-06-30 2008-09-16 Accuray, Inc. Motion field generation for non-rigid image registration
US7522779B2 (en) 2004-06-30 2009-04-21 Accuray, Inc. Image enhancement method and system for fiducial-less tracking of treatment targets
US7366278B2 (en) 2004-06-30 2008-04-29 Accuray, Inc. DRR generation using a non-linear attenuation model
EP1623738B1 (de) 2004-08-06 2007-09-12 BrainLAB AG Volumetrische Bildgebung an einem Strahlentherapiegerät
US7634122B2 (en) 2004-08-25 2009-12-15 Brainlab Ag Registering intraoperative scans
US20060058636A1 (en) 2004-09-13 2006-03-16 Wemple Charles A Method for tracking the movement of a particle through a geometric model for use in radiotherapy
US7012385B1 (en) 2004-09-24 2006-03-14 Viara Research, Llc Multi-channel induction accelerator with external channels
US7302038B2 (en) 2004-09-24 2007-11-27 Wisconsin Alumni Research Foundation Correction of patient rotation errors in radiotherapy using couch translation
US8989349B2 (en) 2004-09-30 2015-03-24 Accuray, Inc. Dynamic tracking of moving targets
US7298819B2 (en) 2004-09-30 2007-11-20 Accuray Incorporated Flexible treatment planning
US7415095B2 (en) 2004-10-01 2008-08-19 Siemens Aktiengesellschaft System and method utilizing adaptive radiation therapy framework
US7471813B2 (en) 2004-10-01 2008-12-30 Varian Medical Systems International Ag Systems and methods for correction of scatter in images
US7505037B2 (en) 2004-10-02 2009-03-17 Accuray, Inc. Direct volume rendering of 4D deformable volume images
EP1645241B1 (de) 2004-10-05 2011-12-28 BrainLAB AG Positionsmarkersystem mit Punktlichtquellen
US7457655B2 (en) 2004-10-08 2008-11-25 Mayo Foundation For Medical Education And Research Motion correction of magnetic resonance images using moments of spatial projections
US7187169B2 (en) * 2004-11-03 2007-03-06 The Regents Of The University Of California NMR and MRI apparatus and method
US8014625B2 (en) 2004-11-10 2011-09-06 Agfa Healthcare Method of performing measurements on digital images
EP1830702B1 (en) 2004-12-15 2012-02-15 Philips Intellectual Property & Standards GmbH Method of determining a spatial distribution of magnetic particles
JP3668816B1 (ja) 2004-12-16 2005-07-06 学校法人慶應義塾 磁気共鳴イメージング装置
DE102004061509B4 (de) 2004-12-21 2007-02-08 Siemens Ag Verfahren und Gerät zur beschleunigten Spiral-kodierten Bildgebung in der Magnetresonanztomographie
US7957507B2 (en) 2005-02-28 2011-06-07 Cadman Patrick F Method and apparatus for modulating a radiation beam
GB2424281A (en) 2005-03-17 2006-09-20 Elekta Ab Radiotherapeutic Apparatus with MRI
US8295577B2 (en) 2005-03-31 2012-10-23 Michael Zarkh Method and apparatus for guiding a device in a totally occluded or partly occluded tubular organ
US7640607B2 (en) 2005-04-29 2010-01-05 Varian Medical Systems, Inc. Patient support systems
US20070016014A1 (en) 2005-06-15 2007-01-18 Kenji Hara Radio therapy apparatus and operating method of the same
WO2007007276A2 (en) 2005-07-14 2007-01-18 Koninklijke Philips Electronics Method of accounting for tumor motion in radiotherapy treatment
US7574251B2 (en) 2005-07-22 2009-08-11 Tomotherapy Incorporated Method and system for adapting a radiation therapy treatment plan based on a biological model
EP1915872A1 (en) 2005-08-15 2008-04-30 Nokia Corporation Method and apparatus for sub-pixel interpolation for updating operation in video coding
US20070083114A1 (en) 2005-08-26 2007-04-12 The University Of Connecticut Systems and methods for image resolution enhancement
WO2007027703A2 (en) 2005-08-29 2007-03-08 University Of Toledo System for extended high frame rate imaging with limited-diffraction beams
DE102005044635B4 (de) * 2005-09-19 2010-05-20 Siemens Ag Einrichtung zur Magnetfelderzeugung und Magnetresonanzanlage
US7266176B2 (en) 2005-09-28 2007-09-04 Accuray Incorporated Workspace optimization for radiation treatment delivery system
EP1948309B1 (en) 2005-10-17 2011-12-28 Alberta Health Services Integrated external beam radiotherapy and mri system
US7977942B2 (en) 2005-11-16 2011-07-12 Board Of Regents, The University Of Texas System Apparatus and method for tracking movement of a target
US8041103B2 (en) 2005-11-18 2011-10-18 Kla-Tencor Technologies Corp. Methods and systems for determining a position of inspection data in design data space
CA2629333C (en) 2005-11-18 2013-01-22 Still River Systems Incorporated Charged particle radiation therapy
US7902530B1 (en) 2006-04-06 2011-03-08 Velayudhan Sahadevan Multiple medical accelerators and a kV-CT incorporated radiation therapy device and semi-automated custom reshapeable blocks for all field synchronous image guided 3-D-conformal-intensity modulated radiation therapy
US7532705B2 (en) 2006-04-10 2009-05-12 Duke University Systems and methods for localizing a target for radiotherapy based on digital tomosynthesis
US7840045B2 (en) 2006-04-21 2010-11-23 The University Of Utah Research Foundation Method and system for parallel reconstruction in the K-space domain for application in imaging systems
JP4425879B2 (ja) 2006-05-01 2010-03-03 株式会社日立製作所 ベッド位置決め装置及びその位置決め方法並びに粒子線治療装置
WO2008013598A2 (en) 2006-05-25 2008-01-31 William Beaumont Hospital Real-time, on-line and offline treatment dose tracking and feedback process for volumetric image guided adaptive radiotherapy
DE102006036358A1 (de) 2006-08-02 2008-02-07 GM Global Technology Operations, Inc., Detroit Scheinwerfer in einem Kraftfahrzeug
US7505559B2 (en) 2006-08-25 2009-03-17 Accuray Incorporated Determining a target-to-surface distance and using it for real time absorbed dose calculation and compensation
CN103222846B (zh) 2007-01-19 2017-04-26 桑尼布鲁克健康科学中心 用于成像探头的扫描机构
US8460195B2 (en) 2007-01-19 2013-06-11 Sunnybrook Health Sciences Centre Scanning mechanisms for imaging probe
US7602183B2 (en) 2007-02-13 2009-10-13 The Board Of Trustees Of The Leland Stanford Junior University K-T sparse: high frame-rate dynamic magnetic resonance imaging exploiting spatio-temporal sparsity
DE102008007245B4 (de) 2007-02-28 2010-10-14 Siemens Aktiengesellschaft Kombiniertes Strahlentherapie- und Magnetresonanzgerät
US8155417B2 (en) 2007-03-27 2012-04-10 Hologic, Inc. Post-acquisition adaptive reconstruction of MRI data
JP5260629B2 (ja) 2007-04-04 2013-08-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 分割勾配コイル及びこれを用いるｐｅｔ／ｍｒｉハイブリッドシステム
US7898192B2 (en) 2007-06-06 2011-03-01 Siemens Medical Solutions Usa, Inc. Modular linac and systems to support same
US7742562B2 (en) 2007-06-27 2010-06-22 Accuray Incorporated Lower-torso assembly of a treatment couch useable in an X-ray environment
US7791338B2 (en) 2007-09-07 2010-09-07 The Board Of Trustees Of The Leland Stanford Junior University MRI method of determining time-optimal gradient waveforms with gradient amplitude as a function of arc-length in k-space
JP5854575B2 (ja) 2007-12-10 2016-02-09 株式会社東芝 磁気共鳴イメージング装置
JP2011508415A (ja) 2007-12-21 2011-03-10 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 渦磁界を抑制する超伝導フィルム及び積層強磁性体コアを有する電磁石
JP5197026B2 (ja) 2008-01-09 2013-05-15 株式会社東芝 放射線治療システム、放射線治療支援装置及び放射線治療支援プログラム
US8238516B2 (en) 2008-01-09 2012-08-07 Kabushiki Kaisha Toshiba Radiotherapy support apparatus
JP5352092B2 (ja) 2008-02-05 2013-11-27 株式会社日立メディコ 傾斜磁場コイル装置および磁気共鳴イメージング装置
EP2262570A1 (en) 2008-03-12 2010-12-22 Navotek Medical Ltd. Combination mri and radiotherapy systems and methods of use
US7741624B1 (en) 2008-05-03 2010-06-22 Velayudhan Sahadevan Single session interactive ultra-short duration super-high biological dose rate radiation therapy and radiosurgery
EP2288411A2 (en) 2008-05-08 2011-03-02 The Johns Hopkins University Real-time dose computation for radiation therapy using graphics processing unit acceleration of the convolution/superposition dose computation method
CN102215912B (zh) 2008-06-24 2015-01-28 艾伯塔健康服务中心 放射治疗系统
WO2009156896A1 (en) 2008-06-25 2009-12-30 Koninklijke Philips Electronics N.V. Radiation therapy system with real time magnetic resonance monitoring
US7659718B1 (en) 2008-07-31 2010-02-09 The Board Of Trustees Of The Leland Stanford Junior University Blip design for random sampling compressed sensing of flyback 3D-MRSI
US8310233B2 (en) 2009-02-18 2012-11-13 Mayo Foundation For Medical Education And Research Method for image reconstruction from undersampled medical imaging data
JP5224421B2 (ja) 2009-03-12 2013-07-03 独立行政法人放射線医学総合研究所 オープンｐｅｔ／ｍｒｉ複合機
US8331531B2 (en) 2009-03-13 2012-12-11 The Board Of Trustees Of The Leland Stanford Junior University Configurations for integrated MRI-linear accelerators
US8847594B2 (en) * 2009-04-14 2014-09-30 The Board Of Trustees Of The University Of Illinois Method for reducing artifacts in magnetic resonance imaging
DE102009022834A1 (de) 2009-05-27 2010-12-09 Siemens Aktiengesellschaft Verfahren zur automatischen Analyse von Bilddaten einer Struktur
CN102365655A (zh) 2009-06-10 2012-02-29 三菱电机株式会社 图像核对装置以及使用了该图像核对装置的患者定位装置
US9472000B2 (en) 2009-06-19 2016-10-18 Viewray Technologies, Inc. System and method for performing tomographic image acquisition and reconstruction
US8139714B1 (en) 2009-06-25 2012-03-20 Velayudhan Sahadevan Few seconds beam on time, breathing synchronized image guided all fields simultaneous radiation therapy combined with hyperthermia
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
JP5584441B2 (ja) 2009-08-20 2014-09-03 アズビル株式会社 ボリュームデータ間の対応付け方法
CA2780647C (en) 2009-11-20 2023-08-22 Viewray Incorporated Self shielded gradient coil
US8427148B2 (en) * 2009-12-31 2013-04-23 Analogic Corporation System for combining magnetic resonance imaging with particle-based radiation systems for image guided radiation therapy
US9694205B2 (en) 2010-02-12 2017-07-04 Elekta Ab (Publ) Radiotherapy and imaging apparatus
CA2790572C (en) 2010-02-24 2019-05-07 Viewray Incorporated Split magnetic resonance imaging system
EP2539728B1 (en) * 2010-02-25 2017-11-15 MCW Research Foundation, Inc. Method for simultaneous multi-slice magnetic resonance imaging using single and multiple channel receiver coils
US9129392B2 (en) 2010-02-25 2015-09-08 The Trustees Of The University Of Pennsylvania Automatic quantification of mitral valve dynamics with real-time 3D ultrasound
US9659364B2 (en) 2010-03-11 2017-05-23 Koninklijke Philips N.V. Probabilistic refinement of model-based segmentation
US8405395B2 (en) * 2010-04-15 2013-03-26 The General Hospital Corporation Method for simultaneous multi-slice magnetic resonance imaging
EP2569054A4 (en) 2010-05-11 2013-10-02 Hampton University Office Of General Counsel DEVICE, METHOD AND SYSTEM FOR MEASURING PROMPT GAMMA OR OTHER RADIATION-INDUCED RADIATION DURING HADRONTHERAPY TREATMENTS FOR DOSAGE AND RANGE TESTING USES BY IONIZATION RADIATION RECOGNITION
WO2011149785A1 (en) 2010-05-23 2011-12-01 The Regents Of The University Of California Characterization and correction of macular distortion
JP5470185B2 (ja) 2010-07-29 2014-04-16 株式会社日立メディコ 医用画像処理装置及び治療支援システム
US8637841B2 (en) 2010-08-23 2014-01-28 Varian Medical Systems, Inc. Multi level multileaf collimators
EP2633499B1 (en) 2010-10-25 2019-07-31 Koninklijke Philips N.V. Volume visualisation based on distance
CN103210318B (zh) * 2010-11-09 2019-04-23 皇家飞利浦电子股份有限公司 具有至少两个发射和接收信道的磁共振成像以及放射治疗设备
US9151815B2 (en) * 2010-11-15 2015-10-06 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
WO2012080894A2 (en) 2010-12-13 2012-06-21 Koninklijke Philips Electronics N.V. Therapeutic apparatus comprising a radiotherapy apparatus, a mechanical positioning system, and a magnetic resonance imaging system
US20120155727A1 (en) 2010-12-15 2012-06-21 General Electric Company Method and apparatus for providing motion-compensated images
JP2014502541A (ja) * 2010-12-22 2014-02-03 ビューレイ・インコーポレイテッド 医学的処置中のイメージガイダンスのためのシステムおよび方法
US9036883B2 (en) 2011-01-10 2015-05-19 The Regents Of The University Of Michigan System and methods for detecting liver disease
JP2012152469A (ja) 2011-01-27 2012-08-16 Nidek Co Ltd 眼科用手術顕微鏡
US9254112B2 (en) 2011-03-23 2016-02-09 Siemens Corporation Respiratory interval-based correlation and processing of dynamic imaging data
DE102011006582A1 (de) 2011-03-31 2012-10-04 Siemens Aktiengesellschaft Strahlentherapieanlage mit Hochfrequenzschirmung
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
WO2013033249A2 (en) 2011-08-29 2013-03-07 Rosa Louis Neutron irradiation therapy device
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
CN104244818B (zh) 2012-02-06 2017-04-12 因赛泰克有限公司 在非侵入式治疗期间的基于参考的运动跟踪
US9111174B2 (en) 2012-02-24 2015-08-18 Riverain Technologies, LLC Machine learnng techniques for pectoral muscle equalization and segmentation in digital mammograms
EP2639781A1 (en) 2012-03-14 2013-09-18 Honda Motor Co., Ltd. Vehicle with improved traffic-object position detection
JP6004464B2 (ja) 2012-03-19 2016-10-05 国立大学法人北海道大学 放射線治療制御装置および放射線治療制御プログラム
US9119550B2 (en) 2012-03-30 2015-09-01 Siemens Medical Solutions Usa, Inc. Magnetic resonance and ultrasound parametric image fusion
US9360542B2 (en) * 2012-04-20 2016-06-07 Wisconsin Alumni Research Foundation System and method for spectrally-resolved three-dimensional magnetic resonance imaging without frequency-encoding gradients
US9514539B2 (en) 2012-05-09 2016-12-06 Laboratoires Bodycad Inc. Segmentation of magnetic resonance imaging data
US20130345545A1 (en) 2012-06-21 2013-12-26 Siemens Medical Solutions Usa, Inc. Ultrasound Enhanced Magnetic Resonance Imaging
US8993898B2 (en) 2012-06-26 2015-03-31 ETS-Lindgren Inc. Movable EMF shield, method for facilitating rapid imaging and treatment of patient
US10649053B2 (en) * 2012-11-02 2020-05-12 The Regents Of The University Of California Cardiac late gadolinium enhancement MRI for patients with implanted cardiac devices
GB2507585B (en) 2012-11-06 2015-04-22 Siemens Plc MRI magnet for radiation and particle therapy
GB2507792B (en) 2012-11-12 2015-07-01 Siemens Plc Combined MRI and radiation therapy system
US9778336B2 (en) * 2013-02-13 2017-10-03 The General Hospital Corporation System and method for rapid, multi-shot segmented magnetic resonance imaging
US9289626B2 (en) 2013-03-13 2016-03-22 Viewray Incorporated Systems and methods for improved radioisotopic dose calculation and delivery
US9675271B2 (en) 2013-03-13 2017-06-13 Viewray Technologies, Inc. Systems and methods for radiotherapy with magnetic resonance imaging
US9610112B2 (en) 2013-03-15 2017-04-04 Myoscience, Inc. Cryogenic enhancement of joint function, alleviation of joint stiffness and/or alleviation of pain associated with osteoarthritis
US9446263B2 (en) * 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
CN105120953B (zh) 2013-04-18 2018-05-25 皇家飞利浦有限公司 具有实时磁共振监测的放射治疗系统
EP3055706B1 (en) * 2013-10-08 2020-06-24 Koninklijke Philips N.V. Corrected multiple-slice magnetic resonance imaging
EP3057659B1 (en) 2013-10-17 2017-09-13 Koninklijke Philips N.V. Medical apparatus with a radiation therapy device and a radiation detection system
US9918639B2 (en) * 2013-11-07 2018-03-20 Siemens Healthcard GmbH Magnetic resonance imaging with asymmetric radial sampling and compressed-sensing reconstruction
CN110136176B (zh) 2013-12-03 2022-12-09 优瑞技术公司 确定与医学图像的位移的系统
US9594134B2 (en) * 2014-01-22 2017-03-14 Wisconsin Alumni Research Foundation System and method for fully phase-encoded magnetic resonance imaging using multiband radio frequency excitation
WO2015138945A1 (en) * 2014-03-14 2015-09-17 The General Hospital Corporation System and method for free radical imaging
US20170003365A1 (en) * 2014-03-14 2017-01-05 The General Hospital Corporation System and method for magnetic resonance fingerprinting
CN103995244B (zh) * 2014-04-29 2017-05-24 包头市稀宝博为医疗系统有限公司 磁共振成像方法
CA2958570C (en) 2014-08-20 2017-11-28 Synaptive Medical (Barbados) Inc. Intra-operative determination of dimensions for fabrication of artificial bone flap
AU2015311725A1 (en) 2014-09-05 2017-04-20 Hyperfine Research, Inc. Thermal management methods and apparatus
US9874620B2 (en) 2015-02-05 2018-01-23 Ohio State Innovation Foundation Low field magnetic resonance imaging (MRI) scanner for cardiac imaging
US10925510B2 (en) 2015-05-08 2021-02-23 Cedars-Sinai Medical Center Characterization of respiratory motion in the abdomen using a 4D MRI technique with 3D radial sampling and respiratory self-gating
HK1252007A1 (zh) * 2015-05-12 2019-05-10 Hyperfine, Inc. 射频线圈方法和装置
CN105596003B (zh) * 2015-12-24 2019-08-02 深圳先进技术研究院 一种下肢深静脉血栓磁共振成像方法和装置
US10441816B2 (en) 2015-12-31 2019-10-15 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system
KR20190043129A (ko) 2016-06-22 2019-04-25 뷰레이 테크놀로지스 인크. 약한 필드 강도에서의 자기 공명 영상화
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
WO2018109133A1 (en) 2016-12-15 2018-06-21 Koninklijke Philips N.V. Magnetic resonance antenna compatible with charged particle accelerator systems
US10613171B2 (en) 2017-03-14 2020-04-07 Siemens Healthcare Gmbh Multi-banded RF-pulse enhanced magnetization imaging
CN111712298B (zh) 2017-12-06 2023-04-04 优瑞技术公司 放射疗法系统
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
EP3866919B1 (en) 2018-11-14 2023-09-20 Shanghai United Imaging Healthcare Co., Ltd. Radiation therapy system
CN111417436B (zh) 2019-02-02 2022-07-15 上海联影医疗科技股份有限公司 放射治疗系统和方法

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