DE69317362D1 - Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz - Google Patents

Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz

Info

Publication number
DE69317362D1
DE69317362D1 DE69317362T DE69317362T DE69317362D1 DE 69317362 D1 DE69317362 D1 DE 69317362D1 DE 69317362 T DE69317362 T DE 69317362T DE 69317362 T DE69317362 T DE 69317362T DE 69317362 D1 DE69317362 D1 DE 69317362D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
imaging method
magnetic
resonance
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
DE69317362T
Other languages
English (en)
Other versions
DE69317362T2 (de
Inventor
Satoru Kohno
Naoto Iijima
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.)
Shimadzu Corp
Original Assignee
Shimadzu Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shimadzu Corp filed Critical Shimadzu Corp
Application granted granted Critical
Publication of DE69317362D1 publication Critical patent/DE69317362D1/de
Publication of DE69317362T2 publication Critical patent/DE69317362T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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]
    • 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]
    • G01R33/5617—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 RF refocusing, e.g. RARE

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69317362T 1992-11-30 1993-11-24 Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz Expired - Fee Related DE69317362T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4345528A JP2677148B2 (ja) 1992-11-30 1992-11-30 Ｍｒイメージング装置

Publications (2)

Publication Number Publication Date
DE69317362D1 true DE69317362D1 (de) 1998-04-16
DE69317362T2 DE69317362T2 (de) 1998-09-10

Family

ID=18377199

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69317362T Expired - Fee Related DE69317362T2 (de) 1992-11-30 1993-11-24 Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz

Country Status (4)

Country Link
US (1) US5412321A (de)
EP (1) EP0600355B1 (de)
JP (1) JP2677148B2 (de)
DE (1) DE69317362T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326902C1 (de) * 1993-08-11 1994-10-27 Hennig Juergen Verfahren der bildgebenden Kernspintomographie zur Erzeugung von RARE-Bildern mit zusätzlicher Präparation der Magnetisierung zur Kontrastvariation
JP2755125B2 (ja) * 1993-09-30 1998-05-20 株式会社島津製作所 Ｍｒイメージング装置
JP4381378B2 (ja) * 2002-12-27 2009-12-09 株式会社日立メディコ 磁気共鳴イメージング装置
CN104062611B (zh) * 2013-03-22 2017-02-15 西门子(深圳)磁共振有限公司 一种磁共振***的射频激发方法和装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6191550A (ja) * 1984-10-12 1986-05-09 Mitsubishi Electric Corp 核磁気共鳴映像法
JPS6254148A (ja) * 1985-09-03 1987-03-09 Mitsubishi Electric Corp 核磁気共鳴映像法
US4714884A (en) * 1986-06-13 1987-12-22 General Electric Company Method of eliminating effects of spurious NMR signals caused by imperfect 180 degree RF pulses
IL79732A (en) * 1986-08-15 1990-03-19 Elscint Ltd Magnetic resonance imaging with driven equilibrium
DE4014220A1 (de) * 1989-05-16 1990-11-22 Siemens Ag Entfaltung der uebertragungsfunktion bei der bilderzeugung mittels kernmagnetischer resonanz
JPH03103236A (ja) * 1989-09-18 1991-04-30 Hitachi Ltd 核磁気共鳴マルチエコー撮影方法
US5168226A (en) * 1991-05-22 1992-12-01 General Electric Acquisition of multiple images in fast spin echo nmr scans
US5270654A (en) * 1991-07-05 1993-12-14 Feinberg David A Ultra-fast multi-section MRI using gradient and spin echo (grase) imaging
JP3153574B2 (ja) * 1991-08-23 2001-04-09 株式会社東芝 磁気共鳴映像装置
EP0577188B1 (de) * 1992-06-29 1999-09-01 Koninklijke Philips Electronics N.V. Verfahren und Gerät zur Kernresonanzabbildung

Also Published As

Publication number Publication date
EP0600355A1 (de) 1994-06-08
JPH06169897A (ja) 1994-06-21
DE69317362T2 (de) 1998-09-10
EP0600355B1 (de) 1998-03-11
US5412321A (en) 1995-05-02
JP2677148B2 (ja) 1997-11-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee