JP2015039635A - 種々の形式のシムコイルを使用する磁気共鳴トモグラフィシステムの特に患者に適応した静磁場均一化方法 - Google Patents

種々の形式のシムコイルを使用する磁気共鳴トモグラフィシステムの特に患者に適応した静磁場均一化方法 Download PDF

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JP2015039635A
JP2015039635A JP2014167592A JP2014167592A JP2015039635A JP 2015039635 A JP2015039635 A JP 2015039635A JP 2014167592 A JP2014167592 A JP 2014167592A JP 2014167592 A JP2014167592 A JP 2014167592A JP 2015039635 A JP2015039635 A JP 2015039635A
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shim
magnetic field
local
gsc2
coils
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JP2015039635A5 (enExample
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ビーバー シュテファン
Stephan Biber
ビーバー シュテファン
ラーデベック ラルフ
Ralf Dipl Phys Ladebeck
ラーデベック ラルフ
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Siemens AG
Siemens Corp
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    • 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
    • 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
    • A61B5/0522—Magnetic induction tomography
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014167592A 2013-08-21 2014-08-20 種々の形式のシムコイルを使用する磁気共鳴トモグラフィシステムの特に患者に適応した静磁場均一化方法 Pending JP2015039635A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013216529.3A DE102013216529B4 (de) 2013-08-21 2013-08-21 Verfahren insbesondere zur patientenadaptiven B0-Homogenisierung von MR-Systemen unter Verwendung unterschiedlicher Typen von Shim-Spulen
DE102013216529.3 2013-08-21

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JP2015039635A true JP2015039635A (ja) 2015-03-02
JP2015039635A5 JP2015039635A5 (enExample) 2017-11-24

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US (1) US9851423B2 (enExample)
JP (1) JP2015039635A (enExample)
KR (1) KR101784546B1 (enExample)
CN (1) CN104422915B (enExample)
DE (1) DE102013216529B4 (enExample)

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DE102015222114A1 (de) 2015-11-10 2017-05-11 Siemens Healthcare Gmbh Verfahren zum Ansteuern einer Shimeinheit, Steuereinheit und Magnetresonanzgerät
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CA3030629A1 (en) * 2016-07-11 2018-01-18 Synaptive Medical (Barbados) Inc. Adaptive shim coils for mr imaging
DE102017202878A1 (de) 2017-02-22 2018-08-23 Siemens Healthcare Gmbh Verfahren zum Betrieb einer Shimeinrichtung für ein Grundfeld in einer Magnetresonanzeinrichtung, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
WO2019126934A1 (zh) 2017-12-25 2019-07-04 深圳先进技术研究院 一种用于磁共振成像的局部匀场系统及匀场方法
EP3511727A1 (en) * 2018-01-11 2019-07-17 Koninklijke Philips N.V. Active b1+ shimming of transmission coils
CN109709503B (zh) 2019-02-13 2021-03-23 上海联影医疗科技股份有限公司 一种磁共振系统控制方法、磁共振系统、计算机设备
SG11202108781SA (en) 2019-02-15 2021-09-29 Promaxo Inc Systems and methods for ultralow field relaxation dispersion
EP3736591A1 (de) * 2019-05-09 2020-11-11 Siemens Healthcare GmbH Grundfeldmagnetanordnung für ein magnetresonanztomographie-system
EP3748374B8 (en) 2019-06-06 2023-02-15 Rohde & Schwarz GmbH & Co. KG System and method for calibrating radio frequency test chambers
CN112798994A (zh) * 2019-11-14 2021-05-14 西门子(深圳)磁共振有限公司 局部匀场装置及补偿主磁场的不均匀性的方法
CN113075598B (zh) * 2020-01-03 2022-05-27 上海联影医疗科技股份有限公司 磁共振系统的磁场分布检测方法、磁共振系统及成像方法
US12055610B2 (en) * 2020-02-03 2024-08-06 Quality Electrodynamics, Llc Single shim coil design for B0 shimming
WO2021155955A1 (en) * 2020-02-07 2021-08-12 Mr Shim Gmbh Method to shim a magnetic field and magnetic resonance arrangement
CN113219389B (zh) * 2021-05-07 2023-04-14 上海联影医疗科技股份有限公司 磁共振射频模式确定方法、设备及可读存储介质
CN113625212B (zh) * 2021-08-18 2024-08-09 中国人民解放军东部战区总医院 一种磁共振系统b0场图的校正方法

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KR20150021894A (ko) 2015-03-03
CN104422915B (zh) 2019-10-15
KR101784546B1 (ko) 2017-10-11
US20150054510A1 (en) 2015-02-26
DE102013216529B4 (de) 2019-05-23
DE102013216529A1 (de) 2015-02-26
CN104422915A (zh) 2015-03-18
US9851423B2 (en) 2017-12-26

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