CA2981658C - Shimming coils for magnetic resonance imaging - Google Patents

Shimming coils for magnetic resonance imaging Download PDF

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Publication number
CA2981658C
CA2981658C CA2981658A CA2981658A CA2981658C CA 2981658 C CA2981658 C CA 2981658C CA 2981658 A CA2981658 A CA 2981658A CA 2981658 A CA2981658 A CA 2981658A CA 2981658 C CA2981658 C CA 2981658C
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Canada
Prior art keywords
shimming coils
subset
shimming
group
coils
Prior art date
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Active
Application number
CA2981658A
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English (en)
French (fr)
Other versions
CA2981658A1 (en
Inventor
Chad Tyler HARRIS
Phillip J. BEATTY
Alexander Gyles PANTHER
Jeff Alan Stainsby
David Mark DESCHENES
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.)
Synaptive Medical Inc
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Synaptive Medical 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 CA2981658A1 publication Critical patent/CA2981658A1/en
Application granted granted Critical
Publication of CA2981658C publication Critical patent/CA2981658C/en
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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
    • G01R33/20—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
    • G01R33/385—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
    • G01R33/44—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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA2981658A 2015-04-10 2015-04-10 Shimming coils for magnetic resonance imaging Active CA2981658C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2015/052628 WO2016162734A1 (en) 2015-04-10 2015-04-10 Shimming coils for magnetic resonance imaging

Publications (2)

Publication Number Publication Date
CA2981658A1 CA2981658A1 (en) 2016-10-13
CA2981658C true CA2981658C (en) 2021-02-09

Family

ID=57072043

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2981658A Active CA2981658C (en) 2015-04-10 2015-04-10 Shimming coils for magnetic resonance imaging

Country Status (7)

Country Link
US (2) US10551454B2 (enExample)
JP (1) JP6647314B2 (enExample)
CN (1) CN107533119B (enExample)
CA (1) CA2981658C (enExample)
DE (1) DE112015006439T5 (enExample)
GB (1) GB2553465B (enExample)
WO (1) WO2016162734A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112015006439T5 (de) 2015-04-10 2017-12-28 Synaptive Medical (Barbados) Inc. Shimspulen für Magnetresonanztomogrpahie
EP4194878A1 (de) * 2021-12-10 2023-06-14 Siemens Healthcare GmbH Verfahren zur automatischen kompensation von wirbelströmen in einer magnetresonanzvorrichtung
CN116087849B (zh) * 2023-02-28 2023-11-17 江苏力磁医疗设备有限公司 一种mri专用梯度线圈

Family Cites Families (33)

* Cited by examiner, † Cited by third party
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JPH0295288A (ja) * 1988-09-30 1990-04-06 Shimadzu Corp 自動磁場シミング装置
US5760582A (en) 1992-07-23 1998-06-02 Fonar Corporation Optimized gradient coils and shim coils for magnetic resonance scanning systems
US6023167A (en) 1998-01-26 2000-02-08 Picker International, Inc. Surface coils with integrated shims
US6218838B1 (en) * 1998-08-28 2001-04-17 Picker International, Inc. MRI magnet with high homogeneity, patient access, and low forces on the driver coils
US6507190B1 (en) * 2000-08-01 2003-01-14 Ge Medical Systems Global Technologies Company Llc Method and apparatus for compensating polarizing fields in magnetic resonance imaging
DE10114319C2 (de) * 2001-03-23 2003-02-13 Siemens Ag Shimvorrichtung für ein Magnetresonanzgerät
US20050154291A1 (en) * 2003-09-19 2005-07-14 Lei Zhao Method of using a small MRI scanner
WO2005091012A1 (en) 2004-03-17 2005-09-29 Koninklijke Philips Electronics N.V. Dynamic shimset calibration for b0 offset
US7224167B2 (en) * 2004-11-30 2007-05-29 General Electric Company Magnetic field generating apparatus and method for magnetic resonance imaging
JP2008532681A (ja) * 2005-03-17 2008-08-21 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 磁気共鳴用の最小エネルギーのシムコイル
EP1808707A1 (en) * 2006-01-16 2007-07-18 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and static magnetic field correction method
US7592812B2 (en) * 2006-04-13 2009-09-22 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and static magnetic field correction method
GB2442750B (en) * 2006-10-10 2010-09-15 Siemens Magnet Technology Ltd Shimming of Magnet Systems
GB2448479B (en) * 2007-04-18 2009-06-03 Siemens Magnet Technology Ltd Improved shim for imaging magnets
US7753165B2 (en) * 2007-12-21 2010-07-13 Robert Bosch Gmbh Device and method for active noise cancellation in exhaust gas channel of a combustion engine
CN102349830B (zh) * 2008-06-26 2013-08-14 株式会社东芝 磁共振成像装置及磁共振成像方法
EP2329283A1 (en) * 2008-09-17 2011-06-08 Koninklijke Philips Electronics N.V. Rf shimming with rf power regularization using a multi-channel rf transmit system for mri
EP2230530A1 (en) * 2009-03-20 2010-09-22 Koninklijke Philips Electronics N.V. A tesseral shim coil for a magnetic resonance system
CN101995560B (zh) * 2009-08-31 2013-11-06 西门子(深圳)磁共振有限公司 对磁场均匀性不足进行补偿的方法和装置
JP5603642B2 (ja) * 2010-04-27 2014-10-08 株式会社日立メディコ 磁気共鳴イメージング装置及びシミング方法
US9500731B2 (en) * 2010-10-15 2016-11-22 Eleazar Castillo Shimming device and method to improve magnetic field homogeneity in magnetic resonance imaging devices
US8981778B2 (en) * 2011-04-26 2015-03-17 General Electric Company Method and apparatus for imaging a patient using local shim coils
DE102011077724A1 (de) * 2011-06-17 2012-12-20 Siemens Aktiengesellschaft Lokale Shim- Spule innerhalb einer Lokalspule, als lokale BO -Homogenisierung in einem MRT
US9488705B2 (en) * 2011-07-20 2016-11-08 Koninklijke Philips N.V. Wireless local transmit coils and array with controllable load
DE102011080275B4 (de) 2011-08-02 2018-10-25 Siemens Healthcare Gmbh Lokalspule, insbesondere Halsspule, mit mehreren separat schaltbaren Lokalspulen- Shimspulen
DE102011086658B3 (de) 2011-11-18 2013-03-28 Siemens Aktiengesellschaft Von Gradienten unabhängige Shimspule für eine Lokalspule einer Magnetresonanzeinrichtung, Lokalspule, Magnetresonanzeinrichtung, sowie Verfahren zur Platzierung einer Shimspuleneinrichtung
US8981779B2 (en) * 2011-12-13 2015-03-17 Viewray Incorporated Active resistive shimming fro MRI devices
RU2614648C2 (ru) * 2011-12-23 2017-03-28 Конинклейке Филипс Н.В. Использование градиентных катушек для коррекции неоднородностей поля b0 высших порядков при формировании изображения методом магнитного резонанса
US9678184B2 (en) 2012-01-11 2017-06-13 Hitachi, Ltd. Method for increment of RF-phase based on static magnetic field inhomogeneity in MRI apparatus
KR101424552B1 (ko) * 2012-09-05 2014-07-31 삼성전자 주식회사 자기공명영상장치 및 그 제조방법
CN102879753B (zh) * 2012-10-11 2015-04-08 中国科学院近代物理研究所 用于高均匀度磁体匀场线圈设计的自动化实现方法
DE102015204955B4 (de) 2015-03-19 2019-05-16 Siemens Healthcare Gmbh Verfahren zur Magnetresonanz-Bildgebung
DE112015006439T5 (de) 2015-04-10 2017-12-28 Synaptive Medical (Barbados) Inc. Shimspulen für Magnetresonanztomogrpahie

Also Published As

Publication number Publication date
DE112015006439T5 (de) 2017-12-28
CN107533119A (zh) 2018-01-02
JP6647314B2 (ja) 2020-02-14
WO2016162734A1 (en) 2016-10-13
CN107533119B (zh) 2020-07-28
GB201717753D0 (en) 2017-12-13
US10551454B2 (en) 2020-02-04
JP2018510730A (ja) 2018-04-19
US11237235B2 (en) 2022-02-01
GB2553465B (en) 2021-06-09
US20180024212A1 (en) 2018-01-25
US20200400765A1 (en) 2020-12-24
GB2553465A (en) 2018-03-07
CA2981658A1 (en) 2016-10-13

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Effective date: 20171109