DE3580949D1 - Hochfrequenz-antenne fuer magnetischen kernresonanzapparat. - Google Patents

Hochfrequenz-antenne fuer magnetischen kernresonanzapparat.

Info

Publication number
DE3580949D1
DE3580949D1 DE8585305445T DE3580949T DE3580949D1 DE 3580949 D1 DE3580949 D1 DE 3580949D1 DE 8585305445 T DE8585305445 T DE 8585305445T DE 3580949 T DE3580949 T DE 3580949T DE 3580949 D1 DE3580949 D1 DE 3580949D1
Authority
DE
Germany
Prior art keywords
magnetic core
frequency antenna
core resonator
resonator
antenna
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
DE8585305445T
Other languages
English (en)
Inventor
George J Misic
Aarne Lillo
John L Patrick
G Neil Holland
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.)
Philips Nuclear Medicine Inc
Original Assignee
Picker International 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
Application filed by Picker International Inc filed Critical Picker International Inc
Application granted granted Critical
Publication of DE3580949D1 publication Critical patent/DE3580949D1/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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007—Manufacture 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
    • 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
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual 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
    • G01R33/3657—Decoupling 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
DE8585305445T 1984-08-16 1985-07-31 Hochfrequenz-antenne fuer magnetischen kernresonanzapparat. Expired - Lifetime DE3580949D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/641,570 US4634980A (en) 1984-08-16 1984-08-16 Nuclear magnetic resonance radio frequency antenna

Publications (1)

Publication Number Publication Date
DE3580949D1 true DE3580949D1 (de) 1991-01-31

Family

ID=24572945

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585305445T Expired - Lifetime DE3580949D1 (de) 1984-08-16 1985-07-31 Hochfrequenz-antenne fuer magnetischen kernresonanzapparat.

Country Status (5)

Country Link
US (1) US4634980A (de)
EP (1) EP0171972B1 (de)
JP (1) JPS6162454A (de)
CA (1) CA1230922A (de)
DE (1) DE3580949D1 (de)

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US4797617A (en) * 1984-08-16 1989-01-10 Picker International, Inc. Nuclear magnetic resonance radio frequency antenna
JPH042643Y2 (de) * 1985-03-13 1992-01-29
US4839594A (en) * 1987-08-17 1989-06-13 Picker International, Inc. Faraday shield localized coil for magnetic resonance imaging
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4920318A (en) * 1985-08-14 1990-04-24 Picker International, Inc. Surface coil system for magnetic resonance imaging
US5045792A (en) * 1985-08-14 1991-09-03 Picker International, Inc. Split and non-circular magnetic resonance probes with optimum field uniformity
DE3538952A1 (de) * 1985-11-02 1987-05-14 Philips Patentverwaltung Hochfrequenz-spulenanordnung fuer kernspinresonanzgeraet
US4755756A (en) * 1986-02-18 1988-07-05 Mitsubishi Denki Kabushiki Kaisha Radio frequency coil for nuclear magnetic resonance imaging
US4720680A (en) * 1986-02-18 1988-01-19 Mitsubishi Denki Kabushiki Kaisha Adjustable radio frequency coil for nuclear magnetic resonance imaging
EP0256370A1 (de) * 1986-08-12 1988-02-24 Siemens Aktiengesellschaft Antennenanordnung zur Anregung und Erfassung der kernmagnetischen Resonanz
JPS6382639A (ja) * 1986-09-26 1988-04-13 三菱電機株式会社 高周波磁場発生・検出器
US4791371A (en) * 1986-11-17 1988-12-13 Memorial Hospital For Cancer And Allied Diseases Apparatus useful in magnetic resonance imaging
JPS63277049A (ja) * 1987-05-08 1988-11-15 Toshiba Corp Ｍｒｉ装置のインピ−ダンス自動調整装置
IL82658A (en) * 1987-05-26 1990-12-23 Elscint Ltd Balun circuit for radio frequency coils in mr systems
JPS645536A (en) * 1987-06-29 1989-01-10 Toshiba Corp Magnetic resonance apparatus
US4916399A (en) * 1987-08-24 1990-04-10 Resonex, Inc. Head or body coil assembly for magnetic resonance imaging apparatus
US4829252A (en) * 1987-10-28 1989-05-09 The Regents Of The University Of California MRI system with open access to patient image volume
US4882540A (en) * 1988-06-28 1989-11-21 Resonex, Inc. Magnetic resonance imaging (MRI)apparatus with quadrature radio frequency (RF) coils
NL8802609A (nl) * 1988-10-24 1990-05-16 Philips Nv Magnetisch resonantie apparaat met geoptimaliseerd detectieveld.
US5023554A (en) * 1989-05-22 1991-06-11 The Reagents Of The University Of California Fringe field MRI
DE4024599C2 (de) * 1989-08-16 1996-08-14 Siemens Ag Hochfrequenz-Antenne eines Kernspintomographen
US5075624A (en) * 1990-05-29 1991-12-24 North American Philips Corporation Radio frequency quadrature coil construction for magnetic resonance imaging (mri) apparatus
US5250901A (en) * 1991-11-07 1993-10-05 The Regents Of The University Of California Open architecture iron core electromagnet for MRI using superconductive winding
FI91357C (fi) * 1991-11-15 1994-06-27 Picker Nordstar Oy Anatominen tuenta MRI-laitteeseen
US5379767A (en) * 1992-09-02 1995-01-10 The Regents Of The University Of California MRI RF coil using zero-pitch solenoidal winding
US5886596A (en) * 1993-08-06 1999-03-23 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
US5396905A (en) * 1994-03-29 1995-03-14 General Electric Company Surgical drape with integral MRI coil
US5515855A (en) * 1994-08-05 1996-05-14 Sloan-Kettering Institute For Cancer Research Dome-shaped resonator for nuclear magnetic resonance imaging and spectroscopy
DE19535257A1 (de) * 1995-09-22 1997-03-27 Philips Patentverwaltung MR-Anordnung zur Bestimmung der Kernmagnetisierungsverteilung mit einer Oberflächenspulen-Anordnung
DE19722193C2 (de) * 1996-07-05 2000-06-08 Siemens Ag Magnetresonanz-Scanner
JPH1033494A (ja) * 1996-07-19 1998-02-10 Shimadzu Corp 磁気共鳴断層撮影装置
US6873156B2 (en) * 1998-05-06 2005-03-29 Insight Neuroimaging Systems, Llc Method and apparatus for performing neuroimaging
US6275723B1 (en) * 1998-05-06 2001-08-14 Insight Neuroimaging Systems, Inc. Method and apparatus for performing neuroimaging
US6711430B1 (en) 1998-10-09 2004-03-23 Insight Neuroimaging Systems, Inc. Method and apparatus for performing neuroimaging
US6798206B2 (en) 1998-11-25 2004-09-28 Medrad, Inc. Neurovascular coil system and interface and system therefor and method of operating same in a multitude of modes
US6356081B1 (en) 1998-11-25 2002-03-12 Medrad, Inc. Multimode operation of quadrature phased array MR coil systems
US6344745B1 (en) 1998-11-25 2002-02-05 Medrad, Inc. Tapered birdcage resonator for improved homogeneity in MRI
US7598739B2 (en) * 1999-05-21 2009-10-06 Regents Of The University Of Minnesota Radio frequency gradient, shim and parallel imaging coil
US6633161B1 (en) 1999-05-21 2003-10-14 The General Hospital Corporation RF coil for imaging system
AU2001277234A1 (en) * 2000-07-31 2002-02-13 Regents Of The University Of Minnesota Open TEM resonators for MRI
US7084629B2 (en) 2002-11-27 2006-08-01 Medrad, Inc. Parallel imaging compatible birdcage resonator
WO2005111645A2 (en) * 2004-05-07 2005-11-24 Regents Of The University Of Minnesota Multi-current elements for magnetic resonance radio frequency coils
DE102006008724A1 (de) * 2006-02-24 2007-11-08 Siemens Ag Magnetresonanzanlage
US20120133365A1 (en) 2010-11-26 2012-05-31 Mentis, Llc System of receive coils and pads for use with magnetic resonance imaging
USD979080S1 (en) * 2019-06-27 2023-02-21 Reza Jalinous MRI tower coil stand
USD1007683S1 (en) * 2020-09-28 2023-12-12 Siemens Healthcare Gmbh Medical imaging device
USD1001284S1 (en) * 2020-11-17 2023-10-10 Siemens Healthcare Gmbh Medical imaging device
USD1005492S1 (en) 2021-02-26 2023-11-21 Siemens Medical Solutions Usa, Inc. Patient imaging bed
USD1006230S1 (en) * 2021-02-26 2023-11-28 Siemens Medical Solutions Usa, Inc. SPECT/CT imaging scanner
USD987081S1 (en) * 2021-02-26 2023-05-23 Siemens Medical Solutions Usa, Inc. Spect/CT imaging system
USD998800S1 (en) 2021-02-26 2023-09-12 Siemens Medical Solutions Usa, Inc. Patient imaging bed ruler
USD1005489S1 (en) * 2021-03-17 2023-11-21 GE Precision Healthcare LLC Imaging apparatus
USD1011531S1 (en) * 2021-06-14 2024-01-16 Siemens Healthcare Gmbh Medical imaging device
USD996618S1 (en) * 2022-02-15 2023-08-22 Siemens Healthcare Gmbh Medical imaging device
USD1013175S1 (en) * 2022-02-15 2024-01-30 Siemens Healthcare Gmbh Medical imaging device

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
GB1329776A (en) * 1971-10-28 1973-09-12 Sp K Bjuro I Radiotekhnik I El Spectrometer for investigation of nuclear quadruple resonance in solids
US4075552A (en) * 1975-04-24 1978-02-21 Traficante Daniel D Wide-band nuclear magnetic resonance spectrometer
GB1518541A (en) * 1975-05-14 1978-07-19 Perkin Elmer Ltd Nuclear magnetic resonance
US4095168A (en) * 1977-02-22 1978-06-13 Varian Associates, Inc. Rf pick-up coil circuit for a wide tuning range nuclear magnetic resonance probe
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
JPS5616854A (en) * 1979-07-20 1981-02-18 Jeol Ltd Pulse transmission unit
US4379262A (en) * 1979-08-10 1983-04-05 Picker International Limited Nuclear magnetic resonance systems
US4384255A (en) * 1979-08-10 1983-05-17 Picker International Limited Nuclear magnetic resonance systems
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
US4408162A (en) * 1980-12-22 1983-10-04 Varian Associates, Inc. Sensitivity NMR probe
US4454474A (en) * 1981-01-07 1984-06-12 Picker International Limited Nuclear magnetic resonance systems
DE3133432A1 (de) * 1981-08-24 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur
US4446431A (en) * 1981-08-24 1984-05-01 Monsanto Company Double-tuned single coil probe for nuclear magnetic resonance spectrometer
US4641097A (en) * 1984-05-10 1987-02-03 General Electrtic Company Elliptical cross-section slotted-tube radio-frequency resonator for nuclear magnetic resonance imaging

Also Published As

Publication number Publication date
JPS6162454A (ja) 1986-03-31
JPH0580210B2 (de) 1993-11-08
US4634980A (en) 1987-01-06
EP0171972A3 (en) 1987-04-15
CA1230922A (en) 1987-12-29
EP0171972B1 (de) 1990-12-19
EP0171972A2 (de) 1986-02-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee