GB2404027B - Systems and methods for gradient compensation in magnetic resonance imaging - Google Patents

Systems and methods for gradient compensation in magnetic resonance imaging

Info

Publication number
GB2404027B
GB2404027B GB0410611A GB0410611A GB2404027B GB 2404027 B GB2404027 B GB 2404027B GB 0410611 A GB0410611 A GB 0410611A GB 0410611 A GB0410611 A GB 0410611A GB 2404027 B GB2404027 B GB 2404027B
Authority
GB
United Kingdom
Prior art keywords
systems
methods
magnetic resonance
resonance imaging
gradient compensation
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 - Fee Related
Application number
GB0410611A
Other languages
English (en)
Other versions
GB2404027A (en
GB0410611D0 (en
Inventor
Timothy J Havens
Xianrui Huang
David T Ryan
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
Publication of GB0410611D0 publication Critical patent/GB0410611D0/en
Publication of GB2404027A publication Critical patent/GB2404027A/en
Application granted granted Critical
Publication of GB2404027B publication Critical patent/GB2404027B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the gradient magnetic field
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB0410611A 2003-05-15 2004-05-12 Systems and methods for gradient compensation in magnetic resonance imaging Expired - Fee Related GB2404027B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/438,523 US6850066B2 (en) 2003-05-15 2003-05-15 Systems and methods for gradient compensation in magnetic resonance imaging

Publications (3)

Publication Number Publication Date
GB0410611D0 GB0410611D0 (en) 2004-06-16
GB2404027A GB2404027A (en) 2005-01-19
GB2404027B true GB2404027B (en) 2007-02-21

Family

ID=32595339

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0410611A Expired - Fee Related GB2404027B (en) 2003-05-15 2004-05-12 Systems and methods for gradient compensation in magnetic resonance imaging

Country Status (4)

Country Link
US (1) US6850066B2 (enExample)
JP (1) JP2004358238A (enExample)
GB (1) GB2404027B (enExample)
NL (1) NL1026189C2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009014539B4 (de) * 2009-03-24 2014-07-24 Siemens Aktiengesellschaft Verfahren zur Ermittlung der Leiterstruktur einer Gradientenspule
US9322892B2 (en) 2011-12-20 2016-04-26 General Electric Company System for magnetic field distortion compensation and method of making same
CN103852740B (zh) * 2012-11-30 2016-12-07 通用电气公司 降低涡电流磁场的系统和方法
CN103901371B (zh) * 2012-12-24 2017-04-19 通用电气公司 用于磁共振成像mri系统的致冷器和方法
US10254362B2 (en) 2015-10-30 2019-04-09 General Electric Company Magnetic resonance imaging matrix shim coil system and method
JP6817775B2 (ja) * 2016-10-11 2021-01-20 株式会社東芝 補正装置、補正方法及び磁気共鳴画像装置
EP3543722A1 (en) * 2018-03-20 2019-09-25 Koninklijke Philips N.V. Magnetic resonance imaging using corrected k-space trajectories calculated from current sensor data

Citations (9)

* Cited by examiner, † Cited by third party
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EP0307516A1 (en) * 1987-09-18 1989-03-22 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus with eddy-current disturbances correction system
US4924186A (en) * 1986-09-29 1990-05-08 Kabushiki Kaisha Toshiba Magnetic resonance imaging system with auxiliary compensation coil
US5083085A (en) * 1989-03-26 1992-01-21 Elscint Ltd. Compact shielded gradient coil system
US5227728A (en) * 1991-11-01 1993-07-13 The Regents Of The University Of California Gradient driver control in magnetic resonance imaging
US5530355A (en) * 1993-05-13 1996-06-25 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
US5770943A (en) * 1996-12-30 1998-06-23 General Electric Company Method for measuring and compensating for spatially and temporally varying magnetic fields induced by eddy currents
JPH1119061A (ja) * 1997-07-07 1999-01-26 Ge Yokogawa Medical Syst Ltd 外乱磁場補償方法および磁気共鳴撮像装置
US6396268B1 (en) * 2000-10-02 2002-05-28 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging device having magnetic field disturbance compensation
US20020079897A1 (en) * 2000-12-22 2002-06-27 Ham Cornelis Leonardus Gerardus MRI apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3650778T2 (de) * 1985-09-20 2004-02-05 Btg International Ltd. Magnetfeldschirme
JPH02172442A (ja) * 1988-12-27 1990-07-04 Toshiba Corp 磁気共鳴イメージング撮影装置
EP0476321B1 (de) * 1990-09-20 1996-10-23 Siemens Aktiengesellschaft Kernspintomograph
EP0525246A1 (de) * 1991-08-01 1993-02-03 Siemens Aktiengesellschaft Magneteinrichtung mit einem ein magnetisches Streufeld erzeugenden Jochkörper
JPH08589A (ja) * 1994-06-20 1996-01-09 Hitachi Ltd 磁気共鳴を用いた検査装置
JP3537951B2 (ja) * 1996-03-12 2004-06-14 株式会社東芝 磁気共鳴診断装置
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
JP3794109B2 (ja) * 1997-05-29 2006-07-05 株式会社日立メディコ 静磁場発生装置
JPH1189817A (ja) * 1997-09-22 1999-04-06 Hitachi Medical Corp 磁気共鳴イメージング装置
US6100692A (en) * 1998-01-05 2000-08-08 Picker International, Inc. Gradient coil set with a finite shield current
US6469604B1 (en) 1998-05-15 2002-10-22 Alex Palkovich Coil for a magnet and a method of manufacture thereof
US6236203B1 (en) * 1998-09-28 2001-05-22 Picker International, Inc. Super shielding of finite length structures in open magnetic and electric systems
JP3209982B2 (ja) 1999-06-18 2001-09-17 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置用勾配コイル、ｍｒｉ装置用勾配コイルの製造方法およびｍｒｉ装置
DE10004765A1 (de) 2000-02-03 2001-08-09 Philips Corp Intellectual Pty MR-Gerät mit einer Gradientenspulen-Anordnung
US6448773B1 (en) 2000-02-24 2002-09-10 Toshiba America Mri, Inc. Method and system for measuring and compensating for eddy currents induced during NMR imaging operations
JP4421079B2 (ja) 2000-05-23 2010-02-24 株式会社東芝 Ｍｒｉ用傾斜磁場コイル
US6456076B1 (en) 2001-01-31 2002-09-24 The Trustees Of The University Of Pennsylvania Z gradient shielding coil for canceling eddy currents
US6479999B1 (en) 2001-06-05 2002-11-12 Koninklijke Philips Electronics N.V. Efficiently shielded MRI gradient coil with discretely or continuously variable field of view

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924186A (en) * 1986-09-29 1990-05-08 Kabushiki Kaisha Toshiba Magnetic resonance imaging system with auxiliary compensation coil
EP0307516A1 (en) * 1987-09-18 1989-03-22 Koninklijke Philips Electronics N.V. Magnetic resonance imaging apparatus with eddy-current disturbances correction system
US5083085A (en) * 1989-03-26 1992-01-21 Elscint Ltd. Compact shielded gradient coil system
US5227728A (en) * 1991-11-01 1993-07-13 The Regents Of The University Of California Gradient driver control in magnetic resonance imaging
US5530355A (en) * 1993-05-13 1996-06-25 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
US5770943A (en) * 1996-12-30 1998-06-23 General Electric Company Method for measuring and compensating for spatially and temporally varying magnetic fields induced by eddy currents
JPH1119061A (ja) * 1997-07-07 1999-01-26 Ge Yokogawa Medical Syst Ltd 外乱磁場補償方法および磁気共鳴撮像装置
US6396268B1 (en) * 2000-10-02 2002-05-28 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging device having magnetic field disturbance compensation
US20020079897A1 (en) * 2000-12-22 2002-06-27 Ham Cornelis Leonardus Gerardus MRI apparatus

Also Published As

Publication number Publication date
US20040227511A1 (en) 2004-11-18
NL1026189C2 (nl) 2005-07-12
JP2004358238A (ja) 2004-12-24
GB2404027A (en) 2005-01-19
NL1026189A1 (nl) 2004-11-16
US6850066B2 (en) 2005-02-01
GB0410611D0 (en) 2004-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140512