CN104068859B - 用于确定多个磁共振图像的方法和磁共振设备 - Google Patents

用于确定多个磁共振图像的方法和磁共振设备 Download PDF

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Publication number
CN104068859B
CN104068859B CN201410113804.2A CN201410113804A CN104068859B CN 104068859 B CN104068859 B CN 104068859B CN 201410113804 A CN201410113804 A CN 201410113804A CN 104068859 B CN104068859 B CN 104068859B
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space
echo
gradient
magnetic resonance
space section
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CN104068859A (zh
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A.斯泰默
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Siemens Medical Ag
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Siemens Corp
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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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • 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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
    • 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
    • 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5618—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using both RF and gradient refocusing, e.g. GRASE

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  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201410113804.2A 2013-03-25 2014-03-25 用于确定多个磁共振图像的方法和磁共振设备 Expired - Fee Related CN104068859B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013205208.1 2013-03-25
DE102013205208.1A DE102013205208B4 (de) 2013-03-25 2013-03-25 Multiecho-Magnetresonanz-Messsequenz mit erhöhter Auflösung

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CN104068859A CN104068859A (zh) 2014-10-01
CN104068859B true CN104068859B (zh) 2016-08-24

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US (1) US9664758B2 (https=)
JP (1) JP2014184146A (https=)
KR (1) KR101625733B1 (https=)
CN (1) CN104068859B (https=)
DE (1) DE102013205208B4 (https=)

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EP2933651B1 (en) * 2014-04-17 2020-03-18 Albert-Ludwigs-Universität Freiburg MRI Method of Hybrid Acquisition in 3D TSE
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DE102015204483A1 (de) * 2015-03-12 2016-09-15 Siemens Healthcare Gmbh Magnetresonanz-Vorschau-Abbildung
WO2016202707A1 (en) * 2015-06-15 2016-12-22 Koninklijke Philips N.V. Mr imaging using a stack-of-stars acquisition
DE102015223658B4 (de) * 2015-11-30 2017-08-17 Siemens Healthcare Gmbh Verfahren zum Erfassen von Magnetresonanz-Signalen eines Untersuchungsobjekts
KR101819030B1 (ko) 2016-02-17 2018-01-16 삼성전자주식회사 자기 공명 영상 장치 및 자기 공명 영상 장치를 위한 방법
JP7208796B2 (ja) * 2016-06-02 2023-01-19 コーニンクレッカ フィリップス エヌ ヴェ ディクソン法による水／脂肪分離を用いたｍｒ撮像
WO2018095851A1 (en) * 2016-11-24 2018-05-31 Koninklijke Philips N.V. Propeller mr imaging
DE102017207128B4 (de) * 2017-04-27 2019-06-06 Siemens Healthcare Gmbh Verfahren zur Aufnahme eines Magnetresonanzdatensatzes, Datenträger sowie Magnetresonanzanlage
EP3483618B1 (de) * 2017-11-09 2021-12-29 Siemens Healthcare GmbH Verfahren zur erzeugung eines kombinationsbilddatensatzes aus zwei magnetresonanzbilddatensätzen zur trennung zweier spinspezies
EP3528002A1 (de) * 2018-02-20 2019-08-21 Siemens Healthcare GmbH Verfahren zur aufnahme eines magnetresonanzdatensatzes, computerprogrammprodukt, datenträger sowie magnetresonanzanlage
EP3540453A1 (en) * 2018-03-13 2019-09-18 Koninklijke Philips N.V. Mr imaging with spiral acquisition
CN112423659B (zh) * 2018-05-21 2023-04-21 上海联影医疗科技股份有限公司 多对比度磁共振成像的系统和方法
CN111175681B (zh) * 2018-11-13 2022-08-30 西门子(深圳)磁共振有限公司 基于刀锋序列的磁共振成像方法、装置及其存储介质
EP3686621A1 (en) * 2019-01-23 2020-07-29 Siemens Healthcare GmbH Imaging method with variable density in k-space for multi-spin echo magnetic resonance imaging with different delay times after a preparation pulse and/or different echo times
EP3736590B8 (de) * 2019-05-09 2024-02-21 Siemens Healthineers AG Magnetresonanztomographiesystem zur simultanen messung mehrerer patienten
EP3764117A1 (en) * 2019-07-09 2021-01-13 Koninklijke Philips N.V. Enhanced 3d radial mr imaging
CN112826491B (zh) * 2019-11-25 2023-04-25 上海联影医疗科技股份有限公司 磁共振成像方法及系统
CN112014782B (zh) * 2020-08-06 2023-07-28 深圳先进技术研究院 磁共振成像方法、装置及计算机存储介质
EP4194877A4 (en) 2020-08-06 2023-09-27 Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences METHOD AND DEVICE FOR GENERATING IMAGE USING MAGNETIC RESONANCE AND COMPUTER STORAGE MEDIUM
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Publication number Publication date
DE102013205208A1 (de) 2014-09-25
CN104068859A (zh) 2014-10-01
KR20140116827A (ko) 2014-10-06
KR101625733B1 (ko) 2016-05-30
DE102013205208B4 (de) 2015-02-12
US9664758B2 (en) 2017-05-30
JP2014184146A (ja) 2014-10-02
US20140285195A1 (en) 2014-09-25

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