DE69320247D1 - Verfahren und Apparats mittels magnetischer Resonanz durch Magnetisierungsübertragungs-Kontrast induzierende fettselektive Hochfrequenz-Impulse - Google Patents

Verfahren und Apparats mittels magnetischer Resonanz durch Magnetisierungsübertragungs-Kontrast induzierende fettselektive Hochfrequenz-Impulse

Info

Publication number
DE69320247D1
DE69320247D1 DE69320247T DE69320247T DE69320247D1 DE 69320247 D1 DE69320247 D1 DE 69320247D1 DE 69320247 T DE69320247 T DE 69320247T DE 69320247 T DE69320247 T DE 69320247T DE 69320247 D1 DE69320247 D1 DE 69320247D1
Authority
DE
Germany
Prior art keywords
fat
magnetic resonance
frequency pulses
selective high
transmission contrast
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
DE69320247T
Other languages
English (en)
Other versions
DE69320247T2 (de
Inventor
William Thomas Dixon
Xiaole Hong
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
Philips Electronics NV
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 Koninklijke Philips Electronics NV, Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69320247D1 publication Critical patent/DE69320247D1/de
Application granted granted Critical
Publication of DE69320247T2 publication Critical patent/DE69320247T2/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]
    • G01R33/446—Multifrequency selective RF pulses, e.g. multinuclear acquisition mode
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • 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
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
    • 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
    • G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
    • 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
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood 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
    • G01R33/44—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)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69320247T 1992-05-20 1993-05-11 Verfahren und Apparats mittels magnetischer Resonanz durch Magnetisierungsübertragungs-Kontrast induzierende fettselektive Hochfrequenz-Impulse Expired - Fee Related DE69320247T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/886,265 US5270652A (en) 1992-05-20 1992-05-20 MR method and apparatus employing magnetization transfer contrast inducing fat-selective RF pulse

Publications (2)

Publication Number Publication Date
DE69320247D1 true DE69320247D1 (de) 1998-09-17
DE69320247T2 DE69320247T2 (de) 1999-03-11

Family

ID=25388736

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320247T Expired - Fee Related DE69320247T2 (de) 1992-05-20 1993-05-11 Verfahren und Apparats mittels magnetischer Resonanz durch Magnetisierungsübertragungs-Kontrast induzierende fettselektive Hochfrequenz-Impulse

Country Status (4)

Country Link
US (1) US5270652A (de)
EP (1) EP0571018B1 (de)
JP (1) JP3366050B2 (de)
DE (1) DE69320247T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3396507B2 (ja) * 1993-05-12 2003-04-14 株式会社東芝 Ｍｒ撮像方法および磁気共鳴イメージング装置
EP0628836B1 (de) * 1993-06-02 1998-09-09 Koninklijke Philips Electronics N.V. Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz
JP2737608B2 (ja) * 1993-07-31 1998-04-08 株式会社島津製作所 Ｍｒイメージング装置
JP3144220B2 (ja) * 1994-05-31 2001-03-12 株式会社島津製作所 Ｍｒイメージング装置
US5429134A (en) * 1994-06-27 1995-07-04 General Electric Company Multi-phase fat suppressed MRI cardiac imaging
US5627469A (en) * 1995-07-31 1997-05-06 Advanced Mammography Systems, Inc. Separation of fat and water magnetic resonance images
US5614826A (en) * 1995-08-18 1997-03-25 Emory University Methods for prepulsing in nuclear magnetic resonance pulse sequencing
US5729138A (en) * 1995-08-18 1998-03-17 Siemens Medical Systems, Inc. Slice-by-slice variation of pulse sequence parameters in multislice two-dimensional image acquisitions
US6265875B1 (en) * 1999-05-17 2001-07-24 General Electric Company Method and apparatus for efficient MRI tissue differentiation
JP3440049B2 (ja) * 2000-02-25 2003-08-25 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
US6583623B1 (en) * 2000-03-31 2003-06-24 University Of Rochester Interleaved water and fat dual-echo spin echo magnetic resonance imaging with intrinsic chemical shift elimination
US7009395B2 (en) * 2002-05-15 2006-03-07 General Electric Company Method for MRI with steady-state free precession pulse sequences
US6608479B1 (en) 2002-05-15 2003-08-19 General Electric Company Method and system for MRI with lipid suppression
US6586933B1 (en) 2002-05-15 2003-07-01 General Electric Company Method and system for MRI with lipid suppression
US7498809B2 (en) * 2002-12-27 2009-03-03 Hitachi Medical Corporation Magnetic resonance imaging device with multiple RF coils applying half-pulse waveforms for selective excitation of a local region
CA2530298A1 (en) * 2003-06-30 2005-01-20 Board Of Regents, The University Of Texas System Methods and apparatuses for fast chemical shift magnetic resonance imaging
US7795867B2 (en) * 2006-02-02 2010-09-14 Ramot At Tel-Aviv University Ltd. Method, apparatus and system for magnetic resonance analysis based on water magnetization transferred from other molecules
US8457711B2 (en) * 2007-02-01 2013-06-04 Beth Israel Deaconess Medical Center, Inc. Magnetic resonance imaging of coronary venous structures
JP5127291B2 (ja) * 2007-04-27 2013-01-23 株式会社日立メディコ 核磁気共鳴撮影装置
DE102009008795B4 (de) * 2009-02-13 2010-12-30 Inselspital-Stiftung Verfahren zur Bestimmung der Magnetisierungstransferkonstante mit Spin Echo Bildgebungssequenzen
EP3511728A1 (de) * 2018-01-12 2019-07-17 Koninklijke Philips N.V. Ein-punkt dixon verfahren zur fett-wasser trennung für magnetresonanzbildgebung mit chemischem austauschsättigungstransfer
CN109620228B (zh) * 2018-12-20 2023-01-03 上海联影医疗科技股份有限公司 磁共振成像中脂肪零点偏差校正方法及磁共振成像方法
DE102020206515A1 (de) * 2020-05-26 2021-12-02 Siemens Healthcare Gmbh Sättigungspräparierte Aufnahme von MR-Bilddaten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4771242A (en) * 1986-02-27 1988-09-13 Picker International, Inc. In-vivo spatially encoded magnetic resonance spectroscopy with solvent suppression
US5050609B1 (en) * 1987-10-04 1999-11-02 Us Health Magnetization transfer contrast and proton relaxation and use thereof in magnetic resonance imaging
FI83820C (fi) * 1989-11-27 1991-08-26 Instrumentarium Oy Bildtagningsfoerfarande.

Also Published As

Publication number Publication date
EP0571018A1 (de) 1993-11-24
US5270652A (en) 1993-12-14
DE69320247T2 (de) 1999-03-11
JPH06154187A (ja) 1994-06-03
JP3366050B2 (ja) 2003-01-14
EP0571018B1 (de) 1998-08-12

Similar Documents

Publication Publication Date Title
DE69320247D1 (de) Verfahren und Apparats mittels magnetischer Resonanz durch Magnetisierungsübertragungs-Kontrast induzierende fettselektive Hochfrequenz-Impulse
DE69322841D1 (de) Verfahren und Apparat zur kinematographischen Bilderzeugung mittels magnetischer Resonanz
DE69524290T2 (de) Verfahren und Apparat zur Bilderzeugung mittels magnetischer Resonanz
DE69123710D1 (de) Apparat und Verfahren zur Bilderzeugung mittels magnetischer Resonanz
DE68926824D1 (de) Apparat und Verfahren zur Bilderzeugung mittels magnetischer Resonanz
DE69429590D1 (de) Apparat und Verfahren zur Bilderzeugung mittels magnetischer Resonanz
DE69326202T2 (de) Verfahren und Gerät zur Kernresonanzabbildung
DE69433676D1 (de) Apparat und Verfahren für magnetische Resonanzuntersuchungen
DE69534901D1 (de) Verfahren und Gerät zur Bilderzeugung durch magnetische Resonanz
DE3484024D1 (de) Verfahren und vorrichtung zur bilderzeugung mittels magnetischer kernresonanz.
EP0412394A3 (en) Method and apparatus for compensating eddy current effects in a magnetic resonance device having pulsed magnetic field gradients
DE69215310D1 (de) Verfahren und Apparat zur Bilderzeugung mittels magnetischer Resonanz mit der Möglichkeit der Kompensation von durch Wirbelströme gestörten Gradientenfeldern
DE69507939D1 (de) Gerät und Verfahren zur Bilderzeugung durch magnetische Resonanz
DE69527122T2 (de) Verfahren und vorrichtung zur bilderzeugung mittels magnetischer resonanz
DE69314099T2 (de) Apparat zur Bilderzeugung mittels magnetischer Resonanz
DE69321653D1 (de) Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz
DE69030002D1 (de) Verfahren zur bilderzeugung mittels magnetischer kernresonanz
DE3669783D1 (de) Verfahren und vorrichtung zur bilderzeugung mittels magnetischer kernresonanz.
DE69320105D1 (de) Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz
DE3483857D1 (de) Verfahren und geraet zur bilderzeugung mittels magnetischer kernresonanz.
DE69413128D1 (de) Verfahren und Vorrichtung zur Bilderzeugung mittels magnetischer Resonanz
DE3686456D1 (de) Apparat und verfahren zur bilderzeugung mittels magnetischer resonanz durch zusammengesetzte hochfrequenzimpulse.
DE3482004D1 (de) Verfahren und vorrichtung zur bilderzeugung mittels magnetischer kernresonanz mit gepulstem hauptfeld.
DE69131940T2 (de) Apparat zur Erzeugung von Magnetfeldern für die Bildgebung mittels magnetischer Resonanz
DE69317427D1 (de) Verfahren und apparat zur pruefung mittels magnetischer kernresonanz

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

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