DE60331498D1 - Satz von Gradientenspulen fähig, ein variables Sichtfeld zu erstellen - Google Patents

Satz von Gradientenspulen fähig, ein variables Sichtfeld zu erstellen

Info

Publication number
DE60331498D1
DE60331498D1 DE60331498T DE60331498T DE60331498D1 DE 60331498 D1 DE60331498 D1 DE 60331498D1 DE 60331498 T DE60331498 T DE 60331498T DE 60331498 T DE60331498 T DE 60331498T DE 60331498 D1 DE60331498 D1 DE 60331498D1
Authority
DE
Germany
Prior art keywords
create
view
gradient coils
variable field
variable
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60331498T
Other languages
German (de)
English (en)
Inventor
Qin Liu
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.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
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.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Application granted granted Critical
Publication of DE60331498D1 publication Critical patent/DE60331498D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE60331498T 2002-04-22 2003-04-17 Satz von Gradientenspulen fähig, ein variables Sichtfeld zu erstellen Expired - Lifetime DE60331498D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/063,421 US6630829B1 (en) 2002-04-22 2002-04-22 Gradient coil set capable of producing a variable field of view

Publications (1)

Publication Number Publication Date
DE60331498D1 true DE60331498D1 (de) 2010-04-15

Family

ID=28673461

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60331498T Expired - Lifetime DE60331498D1 (de) 2002-04-22 2003-04-17 Satz von Gradientenspulen fähig, ein variables Sichtfeld zu erstellen

Country Status (4)

Country Link
US (1) US6630829B1 (enExample)
EP (1) EP1357391B1 (enExample)
JP (1) JP4465158B2 (enExample)
DE (1) DE60331498D1 (enExample)

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JP4118722B2 (ja) * 2003-03-24 2008-07-16 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｒｆコイル装置および磁気共鳴撮影装置
US6975116B2 (en) * 2003-11-26 2005-12-13 Ge Medical Systems Global Technology Company, Llc Method and apparatus for multiple field of view gradient coils
WO2005116150A1 (ja) 2004-05-28 2005-12-08 Seiko Epson Corporation インク組成物、それを用いたインクジェット記録方法および記録物
JP4365275B2 (ja) * 2004-06-28 2009-11-18 株式会社日立製作所 均一磁場発生装置
US20070262776A1 (en) * 2006-05-10 2007-11-15 Petropoulos Labros S Magnetic Resonance Imaging Magnet Assembly System with Improved Homogeneity
WO2008053451A1 (en) * 2006-11-03 2008-05-08 Koninklijke Philips Electronics N.V. Split gradient coil for mri
CN101568294A (zh) * 2006-12-20 2009-10-28 皇家飞利浦电子股份有限公司 用于影响和/或检测作用区域中的磁性颗粒的布置和方法
US9995810B2 (en) 2008-06-20 2018-06-12 Weinberg Medical Physics Inc Apparatus and method for decreasing bio-effects of magnetic gradient field gradients
US8466680B2 (en) * 2008-06-20 2013-06-18 Weinberg Medical Physics Llc Apparatus and method for decreasing bio-effects of magnetic gradient field gradients
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
CA2780647C (en) * 2009-11-20 2023-08-22 Viewray Incorporated Self shielded gradient coil
CA2780181C (en) * 2009-12-02 2019-10-15 Nanalysis Corp. Method and apparatus for producing homogeneous magnetic fields
US8698497B2 (en) * 2010-09-23 2014-04-15 General Electric Company Multi-field-of-view gradient coil
WO2012097366A1 (en) * 2011-01-14 2012-07-19 Massachusetts Institute Of Technology System and method for manipulation of devices using magnetic fields
JP5750121B2 (ja) * 2011-01-14 2015-07-15 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
RU2624315C2 (ru) 2011-11-16 2017-07-03 Конинклейке Филипс Н.В. Устройство и способ оказания влияния и обнаружения магнитных частиц, имеющие большое поле зрения
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
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
CN108369261B (zh) 2015-11-06 2021-07-16 西达-赛奈医疗中心 用于下一代磁共振线圈的联合线圈(unic)系统和方法
CA3016026A1 (en) 2016-03-02 2017-09-08 Viewray Technologies, Inc. Particle therapy with magnetic resonance imaging
US10132883B2 (en) * 2016-05-31 2018-11-20 General Electric Company Foldable coil array
WO2018187217A1 (en) 2017-04-02 2018-10-11 Imagion Biosystems Inc. Methods and apparatuses related to magnetic relaxometry measurements in the presence of environmental response to magnetic excitation
EP3404435B1 (de) 2017-05-18 2022-08-31 Siemens Healthcare GmbH Gradientenspuleneinheit für ein magnetresonanzgerät
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
CN113767296B (zh) 2019-03-25 2023-04-28 普罗马克索公司 单侧快速mri梯度场线圈及其应用

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US4881034A (en) * 1988-01-19 1989-11-14 The Regents Of The University Of California Switchable MRI RF coil array with individual coils having different and overlapping fields of view
US5136273A (en) * 1988-10-17 1992-08-04 Kabushiki Kaisha Toshiba Magnet apparatus for use in a magnetic resonance imaging system
US5406205A (en) * 1989-11-08 1995-04-11 Bruker Analytische Messtechnik Gmbh Gradient-generation system, nuclear spin tomograph, and process for the generation of images with a nuclear-spin tomograph
US5311135A (en) * 1992-12-11 1994-05-10 General Electric Company Multiple tap gradient field coil for magnetic resonance imaging
DE69418404T2 (de) * 1993-09-16 1999-11-11 Koninklijke Philips Electronics N.V., Eindhoven Korrektur der Polarität des Auslesegradienten in Bilderzeugung durch EPI und GRASE magnetische Resonanz
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US5760583A (en) * 1996-03-13 1998-06-02 Ge Yokogawa Medical Systems, Limited RF coil for MRI and MRI apparatus
DE19515586A1 (de) * 1995-04-27 1996-10-31 Siemens Ag Hochfrequenz-Antennensystem eines Gerätes zur magnetischen Kernresonanz
DE19616464A1 (de) * 1996-04-25 1997-11-06 Philips Patentverwaltung MR-Gerät mit einer Zylinderspulenanordnung und einer Oberflächenspulenanordnung
JP3670452B2 (ja) * 1996-07-31 2005-07-13 株式会社東芝 磁場発生用コイルユニットおよびコイル巻装方法
US6137291A (en) * 1996-08-19 2000-10-24 Oregon Health Sciences University Telescoping coil array for magnetic resonance imaging of extremities
US5998999A (en) * 1996-12-12 1999-12-07 Picker International, Inc. Volume RF coils with integrated high resolution focus coils for magnetic resonance imaging
US6150816A (en) * 1997-02-25 2000-11-21 Advanced Imaging Research, Inc. Radio-frequency coil array for resonance analysis
US6175237B1 (en) * 1997-03-05 2001-01-16 Doty Scientific, Inc. Center-fed paralleled coils for MRI
US5986454A (en) * 1997-03-21 1999-11-16 Varian, Inc. Quadrature elliptical birdcage coil for NMR
US5928148A (en) * 1997-06-02 1999-07-27 Cornell Research Foundation, Inc. Method for performing magnetic resonance angiography over a large field of view using table stepping
DE19732783C1 (de) * 1997-07-30 1999-03-04 Bruker Medizintech HF-Spulensystem für eine MR-Meßeinrichtung
US6384601B1 (en) * 1998-04-06 2002-05-07 The United States Of America As Represented By The Secretary Of Department Of Health & Human Services Local magnetization spoiling using a gradient insert for reducing the field of view in magnetic resonance imaging
US6223065B1 (en) * 1998-04-15 2001-04-24 Medrad, Inc. Automatic coil element selection in large MRI coil arrays
JP3051374B2 (ja) * 1998-07-21 2000-06-12 ジーイー横河メディカルシステム株式会社 磁気共鳴撮像装置
EP1047948B1 (en) * 1998-10-20 2007-09-05 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus including a gradient coil system with a correction coil
DE19851583C2 (de) * 1998-11-09 2002-10-10 Siemens Ag Verfahren zum Betrieb eines MR-Tomographiegeräts mit umschaltbaren Feldqualitäten und MR-Tomographiegerät
DE19851584C1 (de) * 1998-11-09 2000-04-20 Siemens Ag Schaltbare Gradientenspulenanordnung
DE19955117C2 (de) 1999-11-16 2001-09-27 Siemens Ag Verfahren zum Betrieb eines Magnetresonanztomographiegeräts
US6294972B1 (en) * 2000-08-03 2001-09-25 The Mcw Research Foundation, Inc. Method for shimming a static magnetic field in a local MRI coil

Also Published As

Publication number Publication date
EP1357391B1 (en) 2010-03-03
US20030197507A1 (en) 2003-10-23
JP4465158B2 (ja) 2010-05-19
EP1357391A1 (en) 2003-10-29
US6630829B1 (en) 2003-10-07
JP2003339668A (ja) 2003-12-02

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