CN103957785B - Mr电学性质断层摄影 - Google Patents

Mr电学性质断层摄影 Download PDF

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Publication number
CN103957785B
CN103957785B CN201280051057.3A CN201280051057A CN103957785B CN 103957785 B CN103957785 B CN 103957785B CN 201280051057 A CN201280051057 A CN 201280051057A CN 103957785 B CN103957785 B CN 103957785B
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CN
China
Prior art keywords
magnetic field
imaging
signals
imaging sequences
gradient
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
CN201280051057.3A
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English (en)
Chinese (zh)
Other versions
CN103957785A (zh
Inventor
A·L·H·M·W·范利尔
C·A·T·范登贝尔赫
U·卡切尔
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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Publication of CN103957785A publication Critical patent/CN103957785A/zh
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Publication of CN103957785B publication Critical patent/CN103957785B/zh
Expired - Fee Related legal-status Critical Current
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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
    • 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
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • 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
    • 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]
    • G01R33/443—Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201280051057.3A 2011-10-18 2012-10-16 Mr电学性质断层摄影 Expired - Fee Related CN103957785B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161548445P 2011-10-18 2011-10-18
US61/548,445 2011-10-18
PCT/IB2012/055619 WO2013057655A1 (en) 2011-10-18 2012-10-16 Mr electrical properties tomography

Publications (2)

Publication Number Publication Date
CN103957785A CN103957785A (zh) 2014-07-30
CN103957785B true CN103957785B (zh) 2016-12-07

Family

ID=47226241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280051057.3A Expired - Fee Related CN103957785B (zh) 2011-10-18 2012-10-16 Mr电学性质断层摄影

Country Status (8)

Country Link
US (1) US20140239951A1 (enExample)
EP (1) EP2753238A1 (enExample)
JP (1) JP6030143B2 (enExample)
CN (1) CN103957785B (enExample)
BR (1) BR112014009099A2 (enExample)
IN (1) IN2014CN02545A (enExample)
RU (1) RU2616984C2 (enExample)
WO (1) WO2013057655A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102713657B (zh) * 2010-01-18 2016-03-02 皇家飞利浦电子股份有限公司 电性质断层摄影成像方法及系统
US20140239951A1 (en) * 2011-10-18 2014-08-28 Koninklijle Philips N.V. Mr electrical properties tomography
EP2979106A1 (en) * 2013-03-29 2016-02-03 Koninklijke Philips N.V. Amide proton transfer (apt) and electric properties tomography (ept) imaging in a single mr acquisition
EP3378426A1 (en) * 2017-03-20 2018-09-26 Koninklijke Philips N.V. Locating ablated tissues using electric properties tomography
EP3407079B1 (en) 2017-05-22 2022-12-07 Orta Dogu Teknik Universitesi An induced current magnetic resonance electrical impedance tomography (icmreit) pulse sequence based on monopolar slice selection gradient pulses
CN107390149B (zh) * 2017-07-21 2019-12-13 上海联影医疗科技有限公司 梯度线圈极性的检测方法、存储介质及磁共振扫描系统
EP3447515A1 (en) * 2017-08-23 2019-02-27 Koninklijke Philips N.V. Magnetic resonance imaging with a variable field magnet
DE102017220697A1 (de) * 2017-11-20 2019-05-23 Siemens Healthcare Gmbh Verfahren zum Betreiben einer MRT-Anlage und MRT-Anlage
EP3543724A1 (en) 2018-03-20 2019-09-25 Koninklijke Philips N.V. (3-n)-dimensional determination of electric conductivity
EP3581090A1 (en) * 2018-06-11 2019-12-18 Koninklijke Philips N.V. Electrical properties tomography mapping of conductivity changes
CN113301841A (zh) * 2019-01-14 2021-08-24 皇家飞利浦有限公司 针对eeg的高频电导率到低频电导率的特定于分区的向下缩放
EP3736593A1 (en) * 2019-05-09 2020-11-11 Koninklijke Philips N.V. Dual echo steady state mr imaging using bipolar diffusion gradients
EP4091540B1 (en) * 2020-01-15 2024-04-24 Asahi Intecc Co., Ltd. Measurement device and measurement method
CN113495242B (zh) * 2020-04-03 2022-12-20 上海联影医疗科技股份有限公司 相位误差探测方法、装置、磁共振系统及其成像方法
JP7438398B2 (ja) * 2020-11-11 2024-02-26 朝日インテック株式会社 測定装置および測定方法
US11698428B2 (en) 2021-01-27 2023-07-11 The University Of Tokyo Information processing apparatus and information processing method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7057388B2 (en) * 2002-11-18 2006-06-06 Koninklijke Philips Electronics N.V. Magnetic resonance method and device
US7440796B2 (en) * 2003-01-10 2008-10-21 Kohwang Foundation, Kohwang Board Of Trustee System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object
GB0427686D0 (en) * 2004-12-17 2005-02-02 Univ Basel Method for detection and imaging of synchronous spin and charged particle motion
WO2006137026A2 (en) * 2005-06-24 2006-12-28 Koninklijke Philips Electronics N.V. Simultaneous multinuclear magnetic resonance imaging
JP5203199B2 (ja) * 2005-08-08 2013-06-05 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 電気インピーダンス撮像システム
CN101680937B (zh) * 2007-05-03 2014-04-02 皇家飞利浦电子股份有限公司 磁共振设备和方法
JP2009119204A (ja) * 2007-11-13 2009-06-04 Masaki Sekino インピーダンス分布測定方法及びインピーダンス分布測定装置
JP5177379B2 (ja) * 2008-01-07 2013-04-03 株式会社日立メディコ 磁気共鳴イメージング装置
CN102713657B (zh) * 2010-01-18 2016-03-02 皇家飞利浦电子股份有限公司 电性质断层摄影成像方法及系统
US9453897B2 (en) * 2010-08-26 2016-09-27 Hitachi Medical Corporation Magnetic resonance imaging apparatus and vibrational error magnetic field reduction method
US20140239951A1 (en) * 2011-10-18 2014-08-28 Koninklijle Philips N.V. Mr electrical properties tomography

Also Published As

Publication number Publication date
CN103957785A (zh) 2014-07-30
RU2014119872A (ru) 2015-11-27
EP2753238A1 (en) 2014-07-16
JP6030143B2 (ja) 2016-11-24
US20140239951A1 (en) 2014-08-28
WO2013057655A1 (en) 2013-04-25
JP2014530081A (ja) 2014-11-17
RU2616984C2 (ru) 2017-04-19
BR112014009099A2 (pt) 2017-07-18
IN2014CN02545A (enExample) 2015-08-07

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Granted publication date: 20161207

Termination date: 20171016