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
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 (de)
EP (1) EP1357391B1 (de)
JP (1) JP4465158B2 (de)
DE (1) DE60331498D1 (de)

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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
EP1749864B1 (de) 2004-05-28 2015-07-22 Seiko Epson Corporation Tintenzusammensetzung, davon gebrauch machendes verfahren zur tintenstrahlaufzeichnung und drucke
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
EP2089734A1 (de) * 2006-11-03 2009-08-19 Koninklijke Philips Electronics N.V. Geteilte gradientenspule für die magnetresonanzabbildung
JP2010512911A (ja) * 2006-12-20 2010-04-30 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 作用領域の磁性粒子に影響を及ぼし、及び／又は該磁性粒子を検出する装置並びに方法
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
JP5719844B2 (ja) 2009-07-15 2015-05-20 ヴューレイ インコーポレイテッド 線形加速器及び磁気共鳴撮像装置を互いに遮蔽する方法及び装置
WO2011063342A1 (en) * 2009-11-20 2011-05-26 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
CN103327890B (zh) * 2011-01-14 2016-07-06 株式会社日立医疗器械 倾斜磁场线圈装置以及磁共振成像装置
WO2013072841A1 (en) 2011-11-16 2013-05-23 Koninklijke Philips Electronics N.V. Apparatus and method for influencing and/or detecting magnetic particles having a large field of view
US8981779B2 (en) 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
JP6971246B2 (ja) 2015-11-06 2021-11-24 シーダーズ−サイナイ メディカル センター 次世代の磁気共鳴コイルのための統合されたコイル（ｕｎｉｃ）システム及び方法
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
JP7127126B2 (ja) 2017-12-06 2022-08-29 ビューレイ・テクノロジーズ・インコーポレイテッド 放射線治療のシステム、方法およびソフトウェア
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
US11609291B2 (en) 2019-03-25 2023-03-21 Promaxo, Inc. Single-sided fast MRI gradient field coils and applications thereof

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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
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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
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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
WO2000023812A1 (en) 1998-10-20 2000-04-27 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
JP2003339668A (ja) 2003-12-02
JP4465158B2 (ja) 2010-05-19
EP1357391B1 (de) 2010-03-03
US6630829B1 (en) 2003-10-07
US20030197507A1 (en) 2003-10-23
EP1357391A1 (de) 2003-10-29

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