JP6258050B2 - Ｍｒデータの取得方法、ｂ１磁場の決定方法および相応に構成された磁気共鳴装置 - Google Patents

Ｍｒデータの取得方法、ｂ１磁場の決定方法および相応に構成された磁気共鳴装置 Download PDF

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JP6258050B2
JP6258050B2 JP2014014686A JP2014014686A JP6258050B2 JP 6258050 B2 JP6258050 B2 JP 6258050B2 JP 2014014686 A JP2014014686 A JP 2014014686A JP 2014014686 A JP2014014686 A JP 2014014686A JP 6258050 B2 JP6258050 B2 JP 6258050B2
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magnetic field
frequency pulse
sequence
resonant
radio frequency
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JP2014147747A5 (enExample
JP2014147747A (ja
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ケーラー ミヒァエル
ケーラー ミヒァエル
シュペックナー トルステン
シュペックナー トルステン
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Siemens AG
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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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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]
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2014014686A 2013-02-01 2014-01-29 Ｍｒデータの取得方法、ｂ１磁場の決定方法および相応に構成された磁気共鳴装置 Active JP6258050B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310201670 DE102013201670B3 (de) 2013-02-01 2013-02-01 Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage
DE102013201670.0 2013-02-01

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JP2014147747A JP2014147747A (ja) 2014-08-21
JP2014147747A5 JP2014147747A5 (enExample) 2017-01-19
JP6258050B2 true JP6258050B2 (ja) 2018-01-10

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JP2014014686A Active JP6258050B2 (ja) 2013-02-01 2014-01-29 Ｍｒデータの取得方法、ｂ１磁場の決定方法および相応に構成された磁気共鳴装置

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US (1) US9625546B2 (enExample)
JP (1) JP6258050B2 (enExample)
KR (1) KR101617936B1 (enExample)
CN (1) CN103969610B (enExample)
DE (1) DE102013201670B3 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012209295B4 (de) * 2012-06-01 2014-02-13 Siemens Aktiengesellschaft Bestimmung einer objektspezifischen B1-Verteilung eines Untersuchungsobjekts im Messvolumen in der Magnetresonanztechnik
US9594145B2 (en) * 2012-12-04 2017-03-14 Samsung Electronics Co., Ltd. Method and apparatus for acquiring B1 magnetic field information
DE102013201671B3 (de) * 2013-02-01 2014-07-31 Siemens Aktiengesellschaft Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage
DE102017210309A1 (de) * 2017-06-02 2018-12-06 Universität Ulm Verfahren und Vorrichtung zum Erzeugen eines Kernspinresonanz-Spektrums von Kernspinmomenten einer Probe
WO2019189850A1 (ja) * 2018-03-30 2019-10-03 三菱ケミカル株式会社 仕切り部材及び組電池
US11193997B2 (en) 2018-08-21 2021-12-07 Siemens Healthcare Gmbh Operating an MRI apparatus
EP3614161A1 (en) * 2018-08-21 2020-02-26 Siemens Healthcare GmbH Method of ramping a magnet for a magnetic resonance imaging apparatus
EP3715896B1 (en) * 2019-03-27 2023-02-15 Siemens Healthcare GmbH Minimization of signal losses in multi-echo imaging
CN110780249B (zh) * 2019-11-21 2020-08-11 中国科学院武汉物理与数学研究所 使用绝热射频脉冲测量射频b1场分布的磁共振成像方法
CN111537928B (zh) * 2020-03-17 2021-07-23 无锡鸣石峻致医疗科技有限公司 一种基于扩散效应的磁共振系统梯度场测量方法
EP3901647A1 (en) * 2020-04-23 2021-10-27 Koninklijke Philips N.V. Mr imaging with t1 compensated b1 mapping

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106339A (ja) * 1989-09-19 1991-05-02 Hitachi Medical Corp 磁気共鳴イメージング装置
DE4023128A1 (de) 1990-07-20 1992-01-23 Philips Patentverwaltung Kernresonanz-spektroskopieverfahren
EP0507391B1 (en) * 1991-04-02 1998-06-10 Koninklijke Philips Electronics N.V. Magnetic resonance imaging method and device for monitoring motion of a part of an object based on stimulated echoes.
JP3384944B2 (ja) 1996-07-11 2003-03-10 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US7233818B1 (en) * 1999-08-05 2007-06-19 United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging
EP1210614B1 (en) * 1999-08-05 2012-08-01 THE GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY, DEPARTMENT OF HEALTH AND HUMAN SERVICES Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging
JP2002143115A (ja) 2000-10-30 2002-05-21 Ge Medical Systems Global Technology Co Llc Ｍｒイメージング方法、位相エラー測定方法およびｍｒｉ装置
JP3796455B2 (ja) * 2002-02-22 2006-07-12 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｍｒｉ装置
US6836114B2 (en) 2002-03-15 2004-12-28 The Trustees Of The University Of Pennsylvania Pulse imaging sequences and methods for T1p-weighted MRI
DE10354941B4 (de) 2002-12-02 2010-05-12 Siemens Ag Bestimmung der B1-Feldstärke bei MR-Messungen
US8198891B2 (en) 2009-06-15 2012-06-12 General Electric Company System, method, and apparatus for magnetic resonance RF-field measurement
DE102011006230B4 (de) 2011-03-28 2013-01-24 Siemens Aktiengesellschaft Pixelweise Korrektur einer Phaseninformation in MR-Bildern unter Verwendung eines Navigatorsignals
RU2013150082A (ru) * 2011-04-11 2015-05-20 Конинклейке Филипс Н.В. Магнитно-резонансная визуализация с картированием поля в1
DE102013201671B3 (de) * 2013-02-01 2014-07-31 Siemens Aktiengesellschaft Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage

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Publication number Publication date
US9625546B2 (en) 2017-04-18
CN103969610A (zh) 2014-08-06
JP2014147747A (ja) 2014-08-21
KR101617936B1 (ko) 2016-05-18
KR20140099201A (ko) 2014-08-11
CN103969610B (zh) 2017-06-09
DE102013201670B3 (de) 2014-07-03
US20140218021A1 (en) 2014-08-07

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