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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Expired - Fee Related legal-status Critical Current
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    • 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)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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 (https=)
EP (1) EP2753238A1 (https=)
JP (1) JP6030143B2 (https=)
CN (1) CN103957785B (https=)
BR (1) BR112014009099A2 (https=)
IN (1) IN2014CN02545A (https=)
RU (1) RU2616984C2 (https=)
WO (1) WO2013057655A1 (https=)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9638777B2 (en) * 2010-01-18 2017-05-02 Koninklijke Philips N.V. Electric properties tomography imaging method and system
RU2616984C2 (ru) * 2011-10-18 2017-04-19 Конинклейке Филипс Н.В. Магнитно-резонансная (mr) томография электрических свойств
CN105393132A (zh) * 2013-03-29 2016-03-09 皇家飞利浦有限公司 在单个mr采集中的酰胺质子转移(apt)和电性能断层摄影(ept)成像
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
EP3911219A2 (en) * 2019-01-14 2021-11-24 Koninklijke Philips N.V. Compartment-specific down-scaling of high-frequency conductivity to low-frequency conductivity for eeg
EP3736593A1 (en) * 2019-05-09 2020-11-11 Koninklijke Philips N.V. Dual echo steady state mr imaging using bipolar diffusion gradients
JP7163516B2 (ja) * 2020-01-15 2022-10-31 朝日インテック株式会社 測定装置、検出装置、および測定方法
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
EP4245214B1 (en) * 2020-11-11 2025-12-24 Asahi Intecc Co., Ltd. Measuring device and measuring method
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
WO2004062464A2 (en) * 2003-01-10 2004-07-29 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
EP1896865A2 (en) * 2005-06-24 2008-03-12 Koninklijke Philips Electronics N.V. Magnetic resonance device and method
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
US9638777B2 (en) * 2010-01-18 2017-05-02 Koninklijke Philips N.V. Electric properties tomography imaging method and system
JP6038654B2 (ja) * 2010-08-26 2016-12-07 株式会社日立製作所 磁気共鳴イメージング装置及び振動誤差磁場低減方法
RU2616984C2 (ru) * 2011-10-18 2017-04-19 Конинклейке Филипс Н.В. Магнитно-резонансная (mr) томография электрических свойств

Also Published As

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

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Granted publication date: 20161207

Termination date: 20171016