FR2562250B1 - Dispositif a resonance magnetique nucleaire comportant une bobine rf semi-toroidale et destine a la rmn topique et a l'imagerie par rmn - Google Patents

Dispositif a resonance magnetique nucleaire comportant une bobine rf semi-toroidale et destine a la rmn topique et a l'imagerie par rmn

Info

Publication number
FR2562250B1
FR2562250B1 FR848408416A FR8408416A FR2562250B1 FR 2562250 B1 FR2562250 B1 FR 2562250B1 FR 848408416 A FR848408416 A FR 848408416A FR 8408416 A FR8408416 A FR 8408416A FR 2562250 B1 FR2562250 B1 FR 2562250B1
Authority
FR
France
Prior art keywords
nmr
toroidal
topical
semi
coil
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
Application number
FR848408416A
Other languages
English (en)
Other versions
FR2562250A1 (fr
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.)
US Department of Energy
Original Assignee
US Department of Energy
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 US Department of Energy filed Critical US Department of Energy
Publication of FR2562250A1 publication Critical patent/FR2562250A1/fr
Application granted granted Critical
Publication of FR2562250B1 publication Critical patent/FR2562250B1/fr
Expired 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • 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
    • G01R33/4831—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using B1 gradients, e.g. rotating frame techniques, use of surface coils
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/842—Measuring and testing
    • Y10S505/843—Electrical
    • Y10S505/844—Nuclear magnetic resonance, NMR, system or device

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FR848408416A 1983-03-28 1984-05-29 Dispositif a resonance magnetique nucleaire comportant une bobine rf semi-toroidale et destine a la rmn topique et a l'imagerie par rmn Expired FR2562250B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/479,581 US4590427A (en) 1983-03-28 1983-03-28 Nuclear magnetic resonance apparatus having semitoroidal rf coil for use in topical NMR and NMR imaging

Publications (2)

Publication Number Publication Date
FR2562250A1 FR2562250A1 (fr) 1985-10-04
FR2562250B1 true FR2562250B1 (fr) 1989-11-03

Family

ID=23904590

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848408416A Expired FR2562250B1 (fr) 1983-03-28 1984-05-29 Dispositif a resonance magnetique nucleaire comportant une bobine rf semi-toroidale et destine a la rmn topique et a l'imagerie par rmn

Country Status (6)

Country Link
US (1) US4590427A (fr)
JP (1) JPS59197845A (fr)
CA (1) CA1210061A (fr)
DE (1) DE3411521A1 (fr)
FR (1) FR2562250B1 (fr)
GB (1) GB2137757B (fr)

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JPS61115958U (fr) * 1984-12-30 1986-07-22
DE3515190A1 (de) * 1985-04-26 1986-11-06 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographiegeraet
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4784146A (en) * 1986-08-14 1988-11-15 University Of Florida Angled segment receiver coil for NMR imaging of a human head
FR2612641B1 (fr) * 1987-03-19 1989-06-09 Oreal Appareil pour l'examen d'un corps par resonance magnetique nucleaire par des methodes lentes et rapides, notamment pour l'examen de la couche superficielle de ce corps, dispositif pour creer un gradient de champ magnetique pour un tel appareil, et application a l'imagerie de la peau du corps humain
SE8702160L (sv) * 1987-05-25 1988-11-26 Hoek Instr Ab Stetoskop foer anvaendning vid magnetresonansdiagnostik m m
IE61448B1 (en) * 1987-06-23 1994-11-02 Hafslund Nycomed Innovation Improvements in and relating to magnetic resonance imaging
US5162736A (en) * 1987-08-14 1992-11-10 National Research Development Corporation NMR imaging
US4812761A (en) * 1987-09-24 1989-03-14 Board Of Regents, The University Of Texas System Electrically parallel equal phase resonant loops for nuclear magnetic resonance surface coils
JPH0721471B2 (ja) * 1987-10-28 1995-03-08 アドヴァンスド・テクトロニクス・インコーポレーテッド 体質液の成分を試験するための核磁気共鳴装置
GB8814187D0 (en) * 1988-06-15 1988-07-20 Mansfield P Improvements in/relating to surface electrical coil structures
GB8816071D0 (en) * 1988-07-06 1988-08-10 Picker Int Ltd Magnetic resonance methods & apparatus
DE3918743A1 (de) * 1989-06-08 1990-12-13 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung
US5049821A (en) * 1990-02-15 1991-09-17 University Of Florida Continuously variable field of view surface coil for NMR imaging
US5744960A (en) * 1996-08-08 1998-04-28 Brigham And Women's Hospital Planar open magnet MRI system
US5914600A (en) * 1997-06-04 1999-06-22 Brigham And Women's Hospital Planar open solenoidal magnet MRI system
US6002255A (en) * 1997-11-20 1999-12-14 Brigham & Women's Hospital Planar open magnet MRI system having active target field shimming
US6489872B1 (en) 1999-05-06 2002-12-03 New Mexico Resonance Unilateral magnet having a remote uniform field region for nuclear magnetic resonance
US7598739B2 (en) * 1999-05-21 2009-10-06 Regents Of The University Of Minnesota Radio frequency gradient, shim and parallel imaging coil
CA2373526A1 (fr) 1999-05-21 2000-11-30 The General Hospital Corporation Bobinage hf pour systeme d'imagerie
FR2795524B1 (fr) * 1999-06-23 2001-08-03 Commissariat Energie Atomique Dispositif de mesure rmn portable
GB2357149A (en) 1999-12-08 2001-06-13 Topspin Medical MRI using non-homogeneous static field
WO2002010786A2 (fr) * 2000-07-31 2002-02-07 Regents Of The University Of Minnesota Unite a champ magnetique radiofrequence
US6704594B1 (en) 2000-11-06 2004-03-09 Topspin Medical (Israel) Limited Magnetic resonance imaging device
US7426279B2 (en) * 2003-06-11 2008-09-16 Cochran James L Electromagnetic audio and data signaling transducers and systems
US6831463B1 (en) 2003-06-20 2004-12-14 Brigham And Women's Hospital Ferrorefraction MRI system having two orthogonal remote field polarization axes
AU2005242783A1 (en) * 2004-05-07 2005-11-24 Regents Of The University Of Minnesota Multi-current elements for magnetic resonance radio frequency coils
JP4237786B2 (ja) * 2006-09-27 2009-03-11 株式会社日立製作所 核磁気共鳴信号用ソレノイドコイル及び核磁気共鳴用プローブ
JP5170617B2 (ja) * 2007-04-24 2013-03-27 独立行政法人産業技術総合研究所 片側開放型磁気回路
EP2410347A1 (fr) 2010-07-23 2012-01-25 Universitätsklinikum Freiburg IRM sélective en volume par moyen d'une préparation de phase spatialement non-linéaire et application d'une fonction de fenêtrage à l'acquisition
US9638776B2 (en) 2014-08-22 2017-05-02 General Electric Company Nested coil configuration of active shims in MRI systems
US11216601B2 (en) * 2017-06-19 2022-01-04 Integrated Device Technology, Inc. Directed magnetic field coil design

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Also Published As

Publication number Publication date
GB2137757A (en) 1984-10-10
CA1210061A (fr) 1986-08-19
FR2562250A1 (fr) 1985-10-04
DE3411521A1 (de) 1984-10-25
GB2137757B (en) 1986-07-30
JPS59197845A (ja) 1984-11-09
GB8407106D0 (en) 1984-04-26
US4590427A (en) 1986-05-20

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Legal Events

Date Code Title Description
ER Errata listed in the french official journal (bopi)

Free format text: 40/85

ST Notification of lapse