DE69320360T2 - Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts - Google Patents

Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts

Info

Publication number
DE69320360T2
DE69320360T2 DE69320360T DE69320360T DE69320360T2 DE 69320360 T2 DE69320360 T2 DE 69320360T2 DE 69320360 T DE69320360 T DE 69320360T DE 69320360 T DE69320360 T DE 69320360T DE 69320360 T2 DE69320360 T2 DE 69320360T2
Authority
DE
Germany
Prior art keywords
homogeneous
generating
magnetic resonance
field
nuclear magnetic
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 - Lifetime
Application number
DE69320360T
Other languages
English (en)
Other versions
DE69320360D1 (de
Inventor
Ian Leitch Mcdougall
Peter Hanley
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.)
Baker Hughes Holdings LLC
Original Assignee
Oxford Instruments PLC
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
Priority claimed from GB929224168A external-priority patent/GB9224168D0/en
Application filed by Oxford Instruments PLC filed Critical Oxford Instruments PLC
Publication of DE69320360D1 publication Critical patent/DE69320360D1/de
Application granted granted Critical
Publication of DE69320360T2 publication Critical patent/DE69320360T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • 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
    • G01R33/34061—Helmholtz coils
DE69320360T 1992-11-18 1993-11-18 Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts Expired - Lifetime DE69320360T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB929224168A GB9224168D0 (en) 1992-11-18 1992-11-18 Nmr rf coils
GB939316894A GB9316894D0 (en) 1992-11-18 1993-08-13 Oscillating magnetic field generating assembly
PCT/GB1993/002370 WO1994011748A1 (en) 1992-11-18 1993-11-18 Oscillating magnetic field generating assembly

Publications (2)

Publication Number Publication Date
DE69320360D1 DE69320360D1 (de) 1998-09-17
DE69320360T2 true DE69320360T2 (de) 1998-12-10

Family

ID=26301994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69320360T Expired - Lifetime DE69320360T2 (de) 1992-11-18 1993-11-18 Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts

Country Status (5)

Country Link
US (1) US5680044A (de)
EP (1) EP0670044B1 (de)
JP (1) JP3485923B2 (de)
DE (1) DE69320360T2 (de)
WO (1) WO1994011748A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9412012D0 (en) 1994-06-15 1994-08-03 Oxford Instr Uk Ltd Magnet assembly
GB9523415D0 (en) 1995-11-15 1996-01-17 Oxford Instr Uk Ltd Magnetic field generating assembly
GB2352819B (en) * 1996-02-23 2001-03-28 Western Atlas Int Inc Nuclear magnetic resonance apparatus and method
US5712566A (en) * 1996-02-23 1998-01-27 Western Atlas International, Inc. Nuclear magnetic resonance apparatus and method
GB9618267D0 (en) * 1996-09-02 1996-10-16 Oxford Instr Uk Ltd RF coil assembly
NO981173L (no) * 1997-05-02 1998-11-03 Western Atlas Int Inc NMR br°nnloggeapparat og fremgangsmÕte
US6836118B2 (en) * 2000-03-10 2004-12-28 Mri Devices Corp. Method and apparatus for NMR imaging
MXPA04010749A (es) * 2002-04-29 2005-07-05 Quelis Id Systems Inc Configuracion de espiral para dispositivos de identificacion de radiofrecuencia, proceso y aparato para fabricar esta configuracion.
GB0209892D0 (en) * 2002-04-30 2002-06-05 Oxford Instr Superconductivity Imaging assembly
US6586932B1 (en) * 2002-10-16 2003-07-01 Schlumberger Technology Corporation Enhanced performance antennas for NMR logging
JP4105646B2 (ja) * 2004-03-02 2008-06-25 株式会社日立製作所 核磁気共鳴装置
MX2016013317A (es) * 2014-05-06 2017-01-18 Halliburton Energy Services Inc Antena tangencial frontal para la adquisicion de registros de pozos mediante resonancia magnetica nuclear (rmn).
CN110761782B (zh) * 2019-11-13 2024-02-09 中国石油天然气集团有限公司 一种用于地质导向的方位随钻核磁共振测井装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3238446A (en) * 1961-12-12 1966-03-01 John R Zimmerman Nuclear magnetic resonance technique for measurement of mixtures
US4350955A (en) * 1980-10-10 1982-09-21 The United States Of America As Represented By The United States Department Of Energy Magnetic resonance apparatus
US4817612A (en) * 1983-08-14 1989-04-04 University Of Florida Cross-coupled double loop receiver coil for NMR imaging of cardiac and thoraco-abdominal regions of the human body
DE3427666A1 (de) * 1984-07-26 1986-02-06 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Schaltungsanordnung fuer einen messkopf eines kernspinresonanzgeraetes
NL8402380A (nl) * 1984-07-30 1986-02-17 Philips Nv Kernspin resonantie apparaat met een zend-meetspoel voor hoge frequenties.
US4725779A (en) * 1985-05-08 1988-02-16 Mcw Research Foundation, Inc. NMR local coil with improved decoupling
US4764726A (en) * 1985-08-05 1988-08-16 Picker International, Inc. Low distortion RF switching circuit without DC bias
EP0222982B1 (de) * 1985-11-18 1990-10-31 Siemens Aktiengesellschaft Oberflächenspule für die Untersuchung mit Hilfe der kernmagnetischen Resonanz
US4714881A (en) * 1986-07-15 1987-12-22 Mobil Oil Corporation Nuclear magnetic resonance borehole logging tool
US5023554A (en) * 1989-05-22 1991-06-11 The Reagents Of The University Of California Fringe field MRI
GB9022145D0 (en) * 1990-10-11 1990-11-21 Oxford Instr Ltd Magnetic field generating assembly
US5150052A (en) * 1991-02-15 1992-09-22 Meyerand Mary E Apparatus and method for magnetic resonance spectral imaging
US5278505A (en) * 1991-12-17 1994-01-11 The Regents Of The University Of California Self-cancelling RF receive coil used to decouple MRI transmit/receive RF coils
JP3198140B2 (ja) * 1992-02-14 2001-08-13 株式会社東芝 Ｍｒｉ用受信プローブ
US5270656A (en) * 1992-04-24 1993-12-14 The Trustees Of The University Of Pennsylvania Biplanar RF coils for magnetic resonance imaging or spectroscopy
DE4215454C1 (de) * 1992-05-11 1993-07-29 Bruker Analytische Messtechnik Gmbh, 7512 Rheinstetten, De

Also Published As

Publication number Publication date
US5680044A (en) 1997-10-21
DE69320360D1 (de) 1998-09-17
JP3485923B2 (ja) 2004-01-13
WO1994011748A1 (en) 1994-05-26
JPH08503299A (ja) 1996-04-09
EP0670044A1 (de) 1995-09-06
EP0670044B1 (de) 1998-08-12

Similar Documents

Publication Publication Date Title
DE59207884D1 (de) Kernresonanz-Untersuchungsgerät mit einer Spulenanordnung
DE69320360D1 (de) Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts
DE68907276D1 (de) Stuetzvorrichtung einer strahlungsabschirmung in einem magnetresonanz-magneten.
US5229723B1 (en) Magnetic field generating device for mri
DE69125497T2 (de) Vorrichtung zur erzeugung eines magnetfeldes
DE69423682T2 (de) Vorrichtung mittels magnetischer Resonanz
DE3850559D1 (de) Vorrichtung zum schnellen Ausserbetriebsetzen einer Feldspule der magnetischen Kernresonanz.
DE69226477T2 (de) Magnet mit offenem Zutritt zur Bilderzeugung mittels magnetischer Resonanz
DE68917630T2 (de) Apparat zur Abstimmung einer Feldspule für die magnetische Kernresonanz.
DE58909537D1 (de) Kernspinuntersuchungsgerät mit einer Hochfrequenzspulenanordnung
NO941203L (no) Måleapparat for kjernemagnetisk resonans
DE68918389D1 (de) Kernspinresonanzgerät mit verbesserter Hf-Spule.
DE69217142D1 (de) Kernspinresonanzgerät mit entkoppelten Empfangsspulen
DE69321082T2 (de) Kernspinresonanzapparat mit einem supraleitenden Magneten
DE68907621T2 (de) Magnetgeraet verwendet in einer magnetischen resonanzabbildungsanordnung.
DE69312775T2 (de) Quadraturspulensystem zum Gebrauch in einem Kernresonanzgerät
DE69131708T2 (de) Kernspinresonanzapparat mit einem supraleitenden Abschirmmagneten
DE69102105T2 (de) Kryostat und Bilderzeugungsapparat mittels magnetischer Kernresonanz mit einem Kryostat.
DE68914440T2 (de) Verfahren zur Anregung der transversalen Magnetisierung bei magnetischen Kernresonanz-Impuls-Experimenten.
DE69836800D1 (de) Gerät zur bilderzeugung durch magnetische resonanz mit einer durchführung in der wand eines faraday-käfigs
DE58905051D1 (de) Einrichtung zur erzeugung eines magnetfeldes in einem atomabsorptions-spektrometer.
DE69633033D1 (de) Magnet zur Erzeugung des statischen Magnetfeldes in einem System der Bilderzeugung mittels magnetischer Resonanz mit einer aktiven magnetischen Abschirmung
DE3783462T2 (de) Magnetblock mit einstellbarer magnetisierung zur erzeugung eines permanentmagnetischen feldes in einer bestimmten interessenstelle.
DE69106480T2 (de) Vorrichtung und Verfahren zur Magnetfeldunterdrückung mittels induktiven resonanten und nicht resonanten passiven Schleifen in einer Kathodenstrahlröhre.
DE69408385D1 (de) Vorrichtung mittels magnetischer Resonanz

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: BAKER HUGHES INCORPORATED (N.D.GES.D. STAATES DELA