CN104685368B - 用于耐金属mr成像的方法和设备 - Google Patents

用于耐金属mr成像的方法和设备 Download PDF

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Publication number
CN104685368B
CN104685368B CN201380051550.XA CN201380051550A CN104685368B CN 104685368 B CN104685368 B CN 104685368B CN 201380051550 A CN201380051550 A CN 201380051550A CN 104685368 B CN104685368 B CN 104685368B
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China
Prior art keywords
pulses
signal
stimulated echo
magnetic field
coils
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Expired - Fee Related
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CN201380051550.XA
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English (en)
Chinese (zh)
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CN104685368A (zh
Inventor
K·内尔克
P·博尔纳特
J·M·登哈德
T·H·罗济杰恩
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Koninklijke Philips NV
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Koninklijke Philips Electronics NV
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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
    • G01R33/24—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
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • 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
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Signal Processing (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201380051550.XA 2012-10-02 2013-09-11 用于耐金属mr成像的方法和设备 Expired - Fee Related CN104685368B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261708680P 2012-10-02 2012-10-02
US61/708,680 2012-10-02
PCT/IB2013/058447 WO2014053927A1 (en) 2012-10-02 2013-09-11 Metal resistant mr imaging reference scan

Publications (2)

Publication Number Publication Date
CN104685368A CN104685368A (zh) 2015-06-03
CN104685368B true CN104685368B (zh) 2017-09-05

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Country Status (8)

Country Link
US (1) US9977108B2 (enExample)
JP (1) JP6275148B2 (enExample)
CN (1) CN104685368B (enExample)
BR (1) BR112015007079A2 (enExample)
DE (1) DE112013004852T5 (enExample)
GB (1) GB2521789B (enExample)
RU (1) RU2015116879A (enExample)
WO (1) WO2014053927A1 (enExample)

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US10156625B2 (en) * 2013-08-12 2018-12-18 Koninklijke Philips N.V. MR imaging with B1 mapping
EP3044604B1 (en) * 2013-09-10 2021-08-18 Koninklijke Philips N.V. Metal resistant mr imaging
JP6496311B2 (ja) * 2013-10-21 2019-04-03 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 温度マッピングを伴うｍｒイメージング
DE112015005479B4 (de) * 2014-12-04 2024-09-19 General Electric Company Verfahren und System zur verbesserten Klassifizierung von Bestandsmaterialien
WO2016096623A1 (en) * 2014-12-15 2016-06-23 Koninklijke Philips N.V. Spin echo mr imaging
US10591565B2 (en) 2015-05-13 2020-03-17 Koninklijke Philips N.V. Parallel MR imaging with RF coil sensitivity mapping
CN105388435B (zh) * 2015-12-29 2018-09-18 沈阳东软医疗系统有限公司 一种磁共振成像系统射频线圈的调谐装置及方法
CN109791187B (zh) * 2016-08-25 2022-03-29 皇家飞利浦有限公司 用于b0校正灵敏度编码磁共振成像的系统和方法
EP3413074A1 (en) * 2017-06-09 2018-12-12 Koninklijke Philips N.V. Parallel multi-slice mr imaging
CN108324275B (zh) * 2018-01-03 2021-05-28 上海东软医疗科技有限公司 一种磁共振成像信号和波谱信号的采集方法和装置
EP3531154A1 (en) * 2018-02-22 2019-08-28 Koninklijke Philips N.V. Dixon mr imaging using a multi-gradient-echo sequence
WO2020068137A1 (en) * 2018-09-28 2020-04-02 Siemens Healthcare Gmbh Method for recording diagnostic measurement data of a knee of an examination object in knee imaging by means of a magnetic resonance device
EP3730962A1 (en) * 2019-04-23 2020-10-28 Koninklijke Philips N.V. Parallel mr imaging using wave-encoding
EP3709042A1 (en) * 2019-03-14 2020-09-16 Koninklijke Philips N.V. Mr imaging using a 3d radial or spiral acquisition with soft motion gating
DE102019207558A1 (de) * 2019-05-23 2020-11-26 Siemens Healthcare Gmbh Verfahren zur Aufnahme von Magnetresonanzdaten, Magnetresonanzeinrichtung, Computerprogramm und elektronisch lesbarer Datenträger
DE102020212183A1 (de) * 2020-09-28 2022-03-31 Siemens Healthcare Gmbh Verfahren zur Erstellung von diffusionsgewichteten und nicht-diffusionsgewichteten Messdaten mittels Magnetresonanz
DE102020212281B4 (de) * 2020-09-29 2022-05-12 Siemens Healthcare Gmbh Verfahren zur zeitsparenden Erzeugung einer B0-Karte basierend auf einer Doppelecho-Sequenz mit stimulierten Echos und Magnetresonanzvorrichtung

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Also Published As

Publication number Publication date
JP6275148B2 (ja) 2018-02-07
GB201507413D0 (en) 2015-06-17
GB2521789B (en) 2020-02-26
BR112015007079A2 (pt) 2017-07-04
JP2015530175A (ja) 2015-10-15
DE112013004852T5 (de) 2015-06-18
US20150253406A1 (en) 2015-09-10
RU2015116879A (ru) 2016-11-27
CN104685368A (zh) 2015-06-03
WO2014053927A1 (en) 2014-04-10
US9977108B2 (en) 2018-05-22
GB2521789A (en) 2015-07-01

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