DE69029827D1 - Schnelles Multimode-Magnetresonanz-Abbildungsverfahren - Google Patents

Schnelles Multimode-Magnetresonanz-Abbildungsverfahren

Info

Publication number
DE69029827D1
DE69029827D1 DE69029827T DE69029827T DE69029827D1 DE 69029827 D1 DE69029827 D1 DE 69029827D1 DE 69029827 T DE69029827 T DE 69029827T DE 69029827 T DE69029827 T DE 69029827T DE 69029827 D1 DE69029827 D1 DE 69029827D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance imaging
imaging method
mode magnetic
fast multi
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
DE69029827T
Other languages
English (en)
Other versions
DE69029827T2 (de
Inventor
Donald Baker Twieg
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.)
Philips North America LLC
Original Assignee
Philips Electronics North America 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 Philips Electronics North America Corp filed Critical Philips Electronics North America Corp
Application granted granted Critical
Publication of DE69029827D1 publication Critical patent/DE69029827D1/de
Publication of DE69029827T2 publication Critical patent/DE69029827T2/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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • G01R33/5614—Generating steady state signals, e.g. low flip angle sequences [FLASH] using a fully balanced steady-state free precession [bSSFP] pulse sequence, e.g. trueFISP
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General 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)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69029827T 1989-08-24 1990-08-20 Schnelles Multimode-Magnetresonanz-Abbildungsverfahren Expired - Fee Related DE69029827T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/398,112 US4982161A (en) 1989-08-24 1989-08-24 Multimode magnetic resonance fast imaging method

Publications (2)

Publication Number Publication Date
DE69029827D1 true DE69029827D1 (de) 1997-03-13
DE69029827T2 DE69029827T2 (de) 1997-07-24

Family

ID=23574031

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029827T Expired - Fee Related DE69029827T2 (de) 1989-08-24 1990-08-20 Schnelles Multimode-Magnetresonanz-Abbildungsverfahren

Country Status (4)

Country Link
US (1) US4982161A (de)
EP (1) EP0414318B1 (de)
JP (1) JP3025289B2 (de)
DE (1) DE69029827T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5151655A (en) * 1990-02-23 1992-09-29 Baylor Research Institute Magnetic resonance imaging using a back-to-back pulse sequence
JPH03268742A (ja) * 1990-03-19 1991-11-29 Hitachi Ltd イメージング装置
DE69226897T2 (de) * 1991-05-08 1999-02-11 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa Verfahren und Vorrichtung für schnelle Bildgebung mittels magnetischer Resonanz
US5245282A (en) * 1991-06-28 1993-09-14 University Of Virginia Alumni Patents Foundation Three-dimensional magnetic resonance imaging
US5170122A (en) * 1991-07-25 1992-12-08 General Electric NMR imaging using flow compensated SSFP pulse sequences
JP3153574B2 (ja) * 1991-08-23 2001-04-09 株式会社東芝 磁気共鳴映像装置
US5260656A (en) * 1992-03-31 1993-11-09 Bruker Instruments, Inc. Method for improving the resolution of solid-state NMR multiple-pulse imaging systems
US5303705A (en) * 1992-05-01 1994-04-19 Nenov Valeriy I Evoked 23NA MR imaging of sodium currents in the brain
EP0576712A1 (de) 1992-07-03 1994-01-05 Siemens Aktiengesellschaft Pulssequenz zur schnellen Bildgebung in der Kernspintomographie
US5327088A (en) * 1992-07-31 1994-07-05 The University Of Michigan Multiplexed echo trains in nuclear magnetic resonance
JP3496898B2 (ja) * 1995-03-03 2004-02-16 株式会社日立メディコ 核磁気共鳴撮影装置
US6064203A (en) * 1997-05-20 2000-05-16 The Johns Hopkins University Method and apparatus for determining or imaging longitudinal spin relaxation time or producing images which substantially reflect longitudinal spin relaxation time contrast
DE19903029B4 (de) * 1999-01-26 2005-10-06 Siemens Ag Magnetresonanz-Bildgebungsverfahren
US6690961B1 (en) 2000-05-12 2004-02-10 Toshiba America Mri, Inc. Apparatus and method for transition between fluoro-mode and diagnostic mode magnetic resonance imaging
SE0302114D0 (sv) * 2003-07-21 2003-07-21 Cellavision Ab Sätt att urskilja en objektkontur
WO2008109783A2 (en) * 2007-03-06 2008-09-12 The Regents Of The University Of California Detecting spin perturbations using magnetic resonance imaging
US20100239435A1 (en) * 2009-03-17 2010-09-23 Le Kevin D System and method for magnetic coupling jet with air control
JP5611882B2 (ja) * 2010-05-31 2014-10-22 株式会社東芝 磁気共鳴イメージング装置
JP5925529B2 (ja) * 2011-03-31 2016-05-25 株式会社東芝 磁気共鳴イメージング装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4549140A (en) * 1983-06-03 1985-10-22 General Electric Company Method utilizing combined, interleaved pulse sequences for reducing motion artifacts in computed T1,T2 and M0 NMR imaging
US4567893A (en) * 1984-11-21 1986-02-04 General Electric Company Method of eliminating breathing artifacts in NMR imaging
US4564017A (en) * 1984-11-21 1986-01-14 General Electric Company Method and apparatus for respiration monitoring with an NMR scanner
US4678996A (en) * 1985-05-07 1987-07-07 Picker International, Inc. Magnetic resonance imaging method
JP2644744B2 (ja) * 1987-02-04 1997-08-25 株式会社日立製作所 Ｎｍｒスペクトロスコピックイメージング装置
GB8702951D0 (en) * 1987-02-10 1987-03-18 Surrey Medical Imaging Systems Nmr imaging
US4912413A (en) * 1987-08-14 1990-03-27 Picker International, Inc. Conjugate symmetry magnetic resonance imaging
US4780675A (en) * 1987-08-14 1988-10-25 Picker International, Inc. Conjugate symmetry magnetic resonance imaging
US4851779A (en) * 1987-08-14 1989-07-25 Picker International, Inc. Three dimensional volume imaging with conjugate symmetrization
FR2623907A1 (fr) * 1987-11-27 1989-06-02 Thomson Cgr Procede d'acquisition rapide d'images tridimensionnelles par experimentation rmn
US4857846A (en) * 1988-03-31 1989-08-15 The Regents Of The University Of California Rapid MRI using multiple receivers producing multiply phase-encoded data derived from a single NMR response
US4937526A (en) * 1988-11-23 1990-06-26 Mayo Foundation For Medical Education And Research Adaptive method for reducing motion and flow artifacts in NMR images

Also Published As

Publication number Publication date
JP3025289B2 (ja) 2000-03-27
JPH0392136A (ja) 1991-04-17
EP0414318A2 (de) 1991-02-27
US4982161A (en) 1991-01-01
DE69029827T2 (de) 1997-07-24
EP0414318B1 (de) 1997-01-29
EP0414318A3 (en) 1992-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee