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DE68927349D1 - Messungen der magnetischen resonanz - Google Patents

Messungen der magnetischen resonanz

Info

Publication number
DE68927349D1
DE68927349D1 DE68927349T DE68927349T DE68927349D1 DE 68927349 D1 DE68927349 D1 DE 68927349D1 DE 68927349 T DE68927349 T DE 68927349T DE 68927349 T DE68927349 T DE 68927349T DE 68927349 D1 DE68927349 D1 DE 68927349D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance measurements
measurements
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
DE68927349T
Other languages
English (en)
Other versions
DE68927349T2 (de
Inventor
Martin Osmond Leach
Jonathan Curnow Sharp
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.)
BTG International Ltd
Original Assignee
British Technology Group Ltd
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 British Technology Group Ltd filed Critical British Technology Group Ltd
Publication of DE68927349D1 publication Critical patent/DE68927349D1/de
Application granted granted Critical
Publication of DE68927349T2 publication Critical patent/DE68927349T2/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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (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)
DE68927349T 1988-08-19 1989-08-18 Messungen der magnetischen resonanz Expired - Fee Related DE68927349T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888819705A GB8819705D0 (en) 1988-08-19 1988-08-19 Improvements in nmr spectroscopy localisation
PCT/GB1989/000966 WO1990002344A1 (en) 1988-08-19 1989-08-18 Improvements in magnetic resonance measurement

Publications (2)

Publication Number Publication Date
DE68927349D1 true DE68927349D1 (de) 1996-11-21
DE68927349T2 DE68927349T2 (de) 1997-02-13

Family

ID=10642383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927349T Expired - Fee Related DE68927349T2 (de) 1988-08-19 1989-08-18 Messungen der magnetischen resonanz

Country Status (6)

Country Link
US (1) US5374889A (de)
EP (1) EP0429529B1 (de)
JP (1) JP2942579B2 (de)
DE (1) DE68927349T2 (de)
GB (2) GB8819705D0 (de)
WO (1) WO1990002344A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8907493D0 (en) * 1989-04-03 1989-05-17 Crespigny Alexander J D Region selection in nuclear magnetic resonance inspection
GB9111738D0 (en) * 1991-05-31 1991-07-24 Instrumentarium Corp Method
US5709208A (en) * 1994-04-08 1998-01-20 The United States Of America As Represented By The Department Of Health And Human Services Method and system for multidimensional localization and for rapid magnetic resonance spectroscopic imaging
EP0782711B1 (de) * 1995-07-20 2004-04-28 Philips Electronics N.V. Verfahren und gerät zur bilderzeugung durch magnetische resonanz eines gekrümmten teils eines körpers
US5903149A (en) * 1997-04-11 1999-05-11 The Trustees Of The University Of Pennsylvania Three-dimensional localized proton NMR spectroscopy using a hybrid of one-dimensional hadamard with two-dimensional chemical shift imaging
DE19922461C2 (de) * 1999-05-17 2002-08-08 Forschungszentrum Juelich Gmbh Verfahren zum Betreiben eines Kernresonanztomographen mit einem Unterdrücken von Bildartefakten
US6998841B1 (en) * 2000-03-31 2006-02-14 Virtualscopics, Llc Method and system which forms an isotropic, high-resolution, three-dimensional diagnostic image of a subject from two-dimensional image data scans
DE10203237B4 (de) * 2002-01-28 2006-08-17 Siemens Ag Verfahren zur Magnetresonanz-Bildgebung mit automatischer Anpassung des Messfeldes
US7319784B2 (en) * 2003-02-05 2008-01-15 National Research Council Of Canada Magnetic resonance spectroscopy using a conformal voxel
US7064544B1 (en) * 2004-05-18 2006-06-20 General Electric Company Method and system of scaling MR spectroscopic data acquired with phased-array coils
US8219176B2 (en) 2007-03-08 2012-07-10 Allegheny-Singer Research Institute Single coil parallel imaging
US7541808B2 (en) 2007-04-11 2009-06-02 Allegheny-Singer Research Institute Rapid MRI dynamic imaging using MACH
DE102007044463B4 (de) * 2007-09-18 2009-05-14 Bruker Biospin Mri Gmbh Verfahren zur Bestimmung der räumlichen Verteilung von Magnetresonanzsignalen durch mehrdimensionale HF-Anregungspulse
US8688193B2 (en) 2008-06-26 2014-04-01 Allegheny-Singer Research Institute Magnetic resonance imager, method and program which continuously applies steady-state free precession to k-space
US8131046B2 (en) * 2008-10-29 2012-03-06 Allegheny-Singer Research Institute Magnetic resonance imager using cylindrical offset region of excitation, and method
US8198892B2 (en) 2009-04-22 2012-06-12 Allegheny-Singer Research Institute Steady-state-free-precession (SSFP) magnetic resonance imaging (MRI) and method
US8405394B2 (en) 2009-10-20 2013-03-26 Allegheny-Singer Research Institute Targeted acquisition using holistic ordering (TACHO) approach for high signal to noise imaging
DE102010038777B4 (de) * 2010-08-02 2012-12-13 Siemens Aktiengesellschaft Erstellung von MR-Bildern eines vorbestimmten Volumenabschnitts innerhalb eines Untersuchungsobjekts bei kontinuierlicher Tischverschiebung
CN104062611B (zh) * 2013-03-22 2017-02-15 西门子(深圳)磁共振有限公司 一种磁共振系统的射频激发方法和装置
US10502803B2 (en) * 2015-05-15 2019-12-10 The Regents Of The University Of California Magnetic resonance imaging based on altering the shape of the inversion region in pulsed arterial spin labeling
CN105476635B (zh) 2015-12-29 2019-02-05 沈阳东软医疗系统有限公司 一种核磁共振成像系统中射频线圈的定位方法和装置
WO2021030466A1 (en) * 2019-08-12 2021-02-18 The Medical College Of Wisconsin, Inc. Simultaneous multi-orientation magnetic resonance imaging

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
GB2114756B (en) * 1982-02-09 1986-11-26 Oxford Res Syst Method and apparatus for obtaining nmr spectra
FR2526968B1 (fr) * 1982-05-14 1986-02-28 Thomson Csf Procede de tomographie d'un objet par resonance magnetique nucleaire
US4710716A (en) * 1985-09-20 1987-12-01 Elscint Ltd. Slice orientation selection arrangement
US4736160A (en) * 1985-05-29 1988-04-05 Hitachi, Ltd. Nuclear magnetic resonance imaging method
US4634553A (en) * 1985-08-12 1987-01-06 Eastman Kodak Company Novel 4H-tellurin tellurane electron-accepting sensitizers for electron-donating photoconductive compositions
US4743851A (en) * 1985-08-27 1988-05-10 Resonex, Inc. Apparatus and method for creating non-orthogonal magnetic resonance imaging
GB8523673D0 (en) * 1985-09-25 1985-10-30 Picker Int Ltd Nuclear magnetic resonance methods
US4649347A (en) * 1985-11-15 1987-03-10 General Electric Company Method for off-center field-of-view imaging using MR
US4684893A (en) * 1985-12-23 1987-08-04 Kabushiki Kaisha Toshiba Field gradient correction apparatus for compensating static field inhomogeneities in NMR imaging system
FR2602869B1 (fr) * 1986-08-14 1989-03-31 Thomson Cgr Procede d'application des impulsions de gradient dans une experimentation d'imagerie au moyen d'une machine de resonance magnetique nucleaire
WO1988003655A1 (en) * 1986-11-14 1988-05-19 Fonar Corporation Apparatus and method for multiple angle oblique magnetic resonance imaging
WO1988004058A1 (en) * 1986-11-28 1988-06-02 Fonar Corporation Apparatus and method for generalized oblique magnetic resonance imaging
GB8702951D0 (en) * 1987-02-10 1987-03-18 Surrey Medical Imaging Systems Nmr imaging
US4812760A (en) * 1987-07-27 1989-03-14 General Electric Company Multi-dimensional selective NMR excitation with a single RF pulse
US4830012A (en) * 1987-08-14 1989-05-16 Duke University High speed NMR imaging method and apparatus
US4908573A (en) * 1989-01-05 1990-03-13 The Regents Of The University Of California 3D image reconstruction method for placing 3D structure within common oblique or contoured slice-volume without loss of volume resolution
US4933639A (en) * 1989-02-13 1990-06-12 The Board Of Regents, The University Of Texas System Axis translator for magnetic resonance imaging
US4970457A (en) * 1989-04-05 1990-11-13 The Regents Of The University Of California MRI compensated for spurious rapid variations in static magnetic field during a single MRI sequence
US4983920A (en) * 1989-08-11 1991-01-08 Picker International, Inc. NMR spectroscopy with phase encoding within a selected voxel

Also Published As

Publication number Publication date
DE68927349T2 (de) 1997-02-13
GB8819705D0 (en) 1988-09-21
EP0429529B1 (de) 1996-10-16
JPH05504688A (ja) 1993-07-22
US5374889A (en) 1994-12-20
GB2225431A (en) 1990-05-30
JP2942579B2 (ja) 1999-08-30
GB8918864D0 (en) 1989-09-27
GB2225431B (en) 1992-12-16
WO1990002344A1 (en) 1990-03-08
EP0429529A1 (de) 1991-06-05

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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: BTG INTERNATIONAL LTD., LONDON, GB

8339 Ceased/non-payment of the annual fee