RU2015116879A - Опорное сканирование при устойчивой к металлам мр визуализации - Google Patents

Опорное сканирование при устойчивой к металлам мр визуализации Download PDF

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Publication number
RU2015116879A
RU2015116879A RU2015116879A RU2015116879A RU2015116879A RU 2015116879 A RU2015116879 A RU 2015116879A RU 2015116879 A RU2015116879 A RU 2015116879A RU 2015116879 A RU2015116879 A RU 2015116879A RU 2015116879 A RU2015116879 A RU 2015116879A
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Russia
Prior art keywords
signals
pulses
magnetic field
coils
preparatory
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RU2015116879A
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English (en)
Russian (ru)
Inventor
Кай НЕРКЕ
Петер БЕРНЕРТ
ХАРДЕР Йохан Михил ДЕН
Томас Хендрик РОЗЕЙН
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Конинклейке Филипс Н.В.
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Application filed by Конинклейке Филипс Н.В. filed Critical Конинклейке Филипс Н.В.
Publication of RU2015116879A publication Critical patent/RU2015116879A/ru

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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
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
RU2015116879A 2012-10-02 2013-09-11 Опорное сканирование при устойчивой к металлам мр визуализации RU2015116879A (ru)

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 (1)

Publication Number Publication Date
RU2015116879A true RU2015116879A (ru) 2016-11-27

Family

ID=49585456

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015116879A RU2015116879A (ru) 2012-10-02 2013-09-11 Опорное сканирование при устойчивой к металлам мр визуализации

Country Status (8)

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

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US10156625B2 (en) * 2013-08-12 2018-12-18 Koninklijke Philips N.V. MR imaging with B1 mapping
JP2016533838A (ja) * 2013-09-10 2016-11-04 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 金属耐性ｍｒイメージング
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
EP3234624B1 (en) * 2014-12-15 2018-11-07 Koninklijke Philips N.V. Spin echo mr imaging
JP6458170B2 (ja) * 2015-05-13 2019-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｒｆコイル感度マッピングを用いるパラレルｍｒ撮像
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
WO2018036986A1 (en) * 2016-08-25 2018-03-01 Koninklijke Philips N.V. Bo-corrected sensitivity encoding magnetic resonance imaging
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
CN112752982A (zh) * 2018-09-28 2021-05-04 西门子医疗有限公司 用于通过磁共振设备在膝部成像中记录检查对象的膝部的诊断测量数据的方法
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
US12510616B2 (en) 2023-06-30 2025-12-30 Canon Medical Systems Corporation Magnetic resonance imaging method, system, and computer program product utilizing B1 amplitude-based corrections

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US4885542A (en) 1988-04-14 1989-12-05 The Regents Of The University Of California MRI compensated for spurious NMR frequency/phase shifts caused by spurious changes in magnetic fields during NMR data measurement processes
US5378985A (en) * 1993-07-15 1995-01-03 General Electric Company Fast spin echo prescan for MRI system
US20070182410A1 (en) 2004-01-15 2007-08-09 Niemi Anne K Coil sensitivity estimation for parallel imaging
JP4647959B2 (ja) * 2004-09-10 2011-03-09 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、画像均一度評価方法および画像均一度評価装置
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Also Published As

Publication number Publication date
DE112013004852T5 (de) 2015-06-18
GB2521789A (en) 2015-07-01
BR112015007079A2 (pt) 2017-07-04
US9977108B2 (en) 2018-05-22
US20150253406A1 (en) 2015-09-10
WO2014053927A1 (en) 2014-04-10
GB2521789B (en) 2020-02-26
CN104685368A (zh) 2015-06-03
GB201507413D0 (en) 2015-06-17
JP2015530175A (ja) 2015-10-15
JP6275148B2 (ja) 2018-02-07
CN104685368B (zh) 2017-09-05

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Effective date: 20170622