Connect public, paid and private patent data with Google Patents Public Datasets

Netzwerk von lokalen spulen fuer magnetische kernresonanz.

Info

Publication number
DE3777909D1
DE3777909D1 DE19873777909 DE3777909A DE3777909D1 DE 3777909 D1 DE3777909 D1 DE 3777909D1 DE 19873777909 DE19873777909 DE 19873777909 DE 3777909 A DE3777909 A DE 3777909A DE 3777909 D1 DE3777909 D1 DE 3777909D1
Authority
DE
Grant status
Grant
Patent type
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
DE19873777909
Other languages
English (en)
Inventor
James S Hyde
Wojciech Froncisz
Andrzej Jesmanowicz
Thomas M Grist
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.)
MCW RESEARCH FOUNDATION Inc MILWAUKEE WIS US
Medical College of Wisconsin Research Foundation Inc
Original Assignee
MCW RESEARCH FOUNDATION, INC., MILWAUKEE, WIS., US
Medical College of Wisconsin Research Foundation Inc
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/343Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34061Helmholtz coils
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/365Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
DE19873777909 1985-05-08 1987-08-13 Netzwerk von lokalen spulen fuer magnetische kernresonanz. Expired - Lifetime DE3777909D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06897177 US4721913A (en) 1985-05-08 1986-08-15 NMR local coil network

Publications (1)

Publication Number Publication Date
DE3777909D1 true DE3777909D1 (de) 1992-05-07

Family

ID=25407466

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873777909 Expired - Lifetime DE3777909D1 (de) 1985-05-08 1987-08-13 Netzwerk von lokalen spulen fuer magnetische kernresonanz.

Country Status (4)

Country Link
US (1) US4721913A (de)
JP (1) JPS63111846A (de)
DE (1) DE3777909D1 (de)
EP (1) EP0256520B1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866387A (en) * 1985-05-08 1989-09-12 Mcw Research Foundation, Inc. NMR detector network
US4918388A (en) * 1985-08-14 1990-04-17 Picker International, Inc. Quadrature surface coils for magnetic resonance imaging
NL8603005A (nl) * 1986-11-27 1988-06-16 Philips Nv Magnetisch resonantie apparaat met flexibele quadratuur spoelenstelsel.
EP0281787A1 (de) * 1987-02-25 1988-09-14 Siemens Aktiengesellschaft Oberflächenresonator für Kernspin-Resonanzgeräte
JPH05166Y2 (de) * 1987-02-28 1993-01-06
US5024229A (en) * 1987-11-16 1991-06-18 The University Of Rochester Resonators for magnetic resonance imaging
JPH01207044A (en) * 1988-02-15 1989-08-21 Yokogawa Medical Syst Ltd Receiving device of nuclear magnetic resonance image diagnostic apparatus
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
GB8814187D0 (en) * 1988-06-15 1988-07-20 Mansfield P Improvements in/relating to surface electrical coil structures
US4926120A (en) * 1988-12-27 1990-05-15 United Technologies Corporation In-line metallic debris particle detection system
US4973908A (en) * 1989-06-23 1990-11-27 General Electric Company NMR probe with multiple isolated coplanar surface coils
US5208534A (en) * 1989-08-09 1993-05-04 Kabushiki Kaisha Toshiba Magnetic resonance imaging system
DE4024582C2 (de) * 1989-08-16 1996-08-14 Siemens Ag Hochfrequenz-Antenne eines Kernspintomographen
US5201312A (en) * 1989-12-18 1993-04-13 General Electric Company Antennae for high-resolution magnetic resonance imaging of the eye
DE4138690C2 (de) * 1991-11-25 1994-08-11 Siemens Ag Zirkular polarisierende Lokalantenne für ein Kernspinresonanzgerät
US5491415A (en) * 1992-03-05 1996-02-13 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
US5296813A (en) * 1992-03-05 1994-03-22 Picker International, Inc. Magnetic resonance scanner with improved packaging for circuitry within the magnetic field
DE69312775T2 (de) * 1992-04-09 1998-02-12 Philips Electronics Nv Quadraturspulensystem zum Gebrauch in einem Kernresonanzgerät
US5256971A (en) * 1992-05-18 1993-10-26 Medical Advances, Inc. Multiple loop coil with improved decoupling
US5361764A (en) * 1993-07-09 1994-11-08 Grumman Aerospace Corporation Magnetic resonance imaging foot coil assembly
US5394087A (en) * 1993-08-11 1995-02-28 Picker International, Inc. Multiple quadrature surface coil system for simultaneous imaging in magnetic resonance systems
US5610520A (en) * 1994-02-24 1997-03-11 Medrad Inc. Automatic orthogonality adjustment device for a quadrature surface coil for magnetic resonance imaging or spectroscopy
US5492122A (en) * 1994-04-15 1996-02-20 Northrop Grumman Corporation Magnetic resonance guided hyperthermia
US5500596A (en) * 1994-04-28 1996-03-19 Wisconsin Alumni Research Foundation Local coil array for magnetic resonance imaging of the lower extremities
US5543711A (en) * 1994-11-22 1996-08-06 Picker International, Inc. Multiple quadrature volume coils for magnetic resonance imaging
US5578925A (en) * 1995-08-18 1996-11-26 Picker International, Inc. Vertical field quadrature phased array coil system
US6137291A (en) * 1996-08-19 2000-10-24 Oregon Health Sciences University Telescoping coil array for magnetic resonance imaging of extremities
US5757189A (en) * 1996-11-27 1998-05-26 Picker International, Inc. Arbitrary placement multimode coil system for MR imaging
US5898306A (en) * 1997-04-09 1999-04-27 Regents Of The University Of Minnesota Single circuit ladder resonator quadrature surface RF coil
US6323648B1 (en) 1997-11-26 2001-11-27 Medrad, Inc. Peripheral vascular array
JPH11253418A (ja) 1998-03-11 1999-09-21 Toshiba Corp 磁気共鳴イメージング装置のrfコイル
DE19928452A1 (de) 1999-06-23 2000-12-28 Siemens Ag Antennensystem zum Empfang von Magnetresonanzsignalen
CA2334929A1 (en) * 2000-02-10 2001-08-10 Jarod Matwiy Quadrature rf field coil for use in magnetic resonance
US6836118B2 (en) 2000-03-10 2004-12-28 Mri Devices Corp. Method and apparatus for NMR imaging
US6768303B1 (en) * 2001-03-16 2004-07-27 General Electric Company Double-counter-rotational coil
DE10148445A1 (de) 2001-10-01 2003-04-30 Siemens Ag Signalauswerteverfahren für Magnetresonanz-Empfangssignale und hiermit korrespondierende Empfangsanordnung
US6798202B2 (en) 2001-11-23 2004-09-28 Koninklijke Philips Electronics N.V. Planar radio frequency coil for open magnetic resonance imaging systems
DE10334170B3 (de) * 2003-07-26 2005-06-02 Bruker Biospin Mri Gmbh Anordnung zum Erzeugen von Hochfrequenz-B1-Feldern in der NMR mit Flächenstromantennen
JP4105646B2 (ja) * 2004-03-02 2008-06-25 株式会社日立製作所 核磁気共鳴装置
US7394253B2 (en) * 2004-11-16 2008-07-01 Kabushiki Kaisha Toshiba Radio frequency coil assembly and magnetic resonance imaging apparatus
JP2008541979A (ja) * 2005-06-10 2008-11-27 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 共運動スピンコイル
US8030926B2 (en) * 2006-03-15 2011-10-04 Albert Einstein College Of Medicine Of Yeshiva University Surface coil arrays for simultaneous reception and transmission with a volume coil and uses thereof
CN104055517A (zh) * 2013-03-22 2014-09-24 上海联影医疗科技有限公司 一种磁共振成像设备和磁共振扫描方法
DE102014202716A1 (de) * 2014-02-14 2015-08-20 Siemens Aktiengesellschaft Verbesserung des lokalen SAR-Verhaltens von MRT-Sendespulen durch Verwendung orthogonaler Schleifenantennen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771055A (en) * 1972-03-17 1973-11-06 Varian Associates Double nuclear magnetic resonance coil
NL7314269A (nl) * 1973-10-17 1975-04-21 Philips Nv Microgolfinrichting voorzien van een 1/2 lambda resonator.
GB2076542B (en) * 1980-05-21 1984-02-15 Emi Ltd Nmr imaging apparatus
DE3131946A1 (de) * 1981-08-12 1983-03-17 Siemens Ag "hochfrequenz-magnetsystem in einer einrichtung der kernspinresonanz-technik"
US4446429A (en) * 1981-10-09 1984-05-01 Medical College Of Wisconsin Microwave resonator
US4435680A (en) * 1981-10-09 1984-03-06 Medical College Of Wisconsin Microwave resonator structure
US4504788A (en) * 1982-09-03 1985-03-12 The Medical College Of Wisconsin, Inc. Enclosed loop-gap resonator
US4480239A (en) * 1983-02-07 1984-10-30 The Medical College Of Wisconsin Inc. Loop-gap resonator network
EP0155978B1 (de) * 1984-03-29 1988-10-12 Oxford Research Systems Limited Verfahren zum Betrieb eines magnetischen Kernresonanzspektrometers
GB2159958B (en) * 1984-05-25 1988-03-02 Picker Int Ltd Rf field generating and detecting arrangements
DE3579773D1 (de) * 1984-07-31 1990-10-25 Oxford Research Systems Ltd Verfahren und vorrichtung zur ermittlung von magnetischen kernresonanzspektren und darin verwendbare spulen.
US4636730A (en) * 1984-08-16 1987-01-13 General Electric Company NMR spectroscopy body probes with at least one surface coil
US4570137A (en) * 1984-09-04 1986-02-11 Motorola, Inc. Lumped-mode resonator
US4724389A (en) * 1985-05-08 1988-02-09 Medical College Of Wisconsin, Inc. Loop-gap resonator for localized NMR imaging
DE3520410A1 (de) * 1985-06-07 1986-12-11 Max Planck Gesellschaft Resonatoranordnung

Also Published As

Publication number Publication date Type
EP0256520A3 (en) 1988-07-20 application
EP0256520B1 (de) 1992-04-01 grant
JPS63111846A (en) 1988-05-17 application
EP0256520A2 (de) 1988-02-24 application
US4721913A (en) 1988-01-26 grant

Similar Documents

Publication Publication Date Title
DE3323657A1 (de) Spulenanordnung
FR2560421B1 (fr) Dispositif de refroidissement de bobinages supraconducteurs
DE3504734A1 (de) Nmr-verfahren
DE3411222A1 (de) Kernspintomograph
DE3605162A1 (de) Magnetresonanz-abbildungsgeraet
DE3427601A1 (de) Supraleitende magnetvorrichtung
DE3418379A1 (de) Schichtfoermig aufgebaute induktionsspule
DE3423482C1 (de) Permanentmagnetische Lastgreif - oder Halteeinrichtung
DE3135335A1 (de) Kernspin-tomographie-verfahren
DE8106555U1 (de) Magnet-ruehreinrichtung
DE3432184A1 (de) Spulenlieferanlage
DE8131086U1 (de) Doppelhakenspule
DE3332990A1 (de) Elektromagnetische induktionsheizvorrichtung
DE8414889U1 (de) Haltespirale fuer brillen
DE3540086A1 (de) Nmr-abbildungsgeraet
DE3319759A1 (de) Magnetischer toner
DE3511750A1 (de) Spulenanordnung fuer kernspinuntersuchungen
DE3515190A1 (de) Kernspin-tomographiegeraet
DE2923069A1 (de) Magnetischer kern fuer elektromagnetische geraete
DE3225500A1 (de) Magnetischer fuehler
DE3501273A1 (de) Magnetisches videoaufzeichnungsgeraet
DE8422074U1 (de) Dauermagnetkupplung
DE3853356T2 (de) Magnetische Kernresonanz(NMR)-Bildgebung mit mehreren Oberflächenspulen.
DE3600607A1 (de) Magnetischer filter
DE3610067A1 (de) Zuendspulenanordnung fuer brennkraftmaschinen

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT

8328 Change in the person/name/address of the agent

Free format text: LIPPERT, H., DIPL.-ING., PAT.-ANW., 60322 FRANKFURT

8328 Change in the person/name/address of the agent

Representative=s name: JUNG HML, 80799 MüNCHEN