DE3764127D1 - Apparat zur bilderzeugung mittels magnetischer resonanz mit einer interferenzarmen hochfrequenzspule. - Google Patents

Apparat zur bilderzeugung mittels magnetischer resonanz mit einer interferenzarmen hochfrequenzspule.

Info

Publication number
DE3764127D1
DE3764127D1 DE8787200342T DE3764127T DE3764127D1 DE 3764127 D1 DE3764127 D1 DE 3764127D1 DE 8787200342 T DE8787200342 T DE 8787200342T DE 3764127 T DE3764127 T DE 3764127T DE 3764127 D1 DE3764127 D1 DE 3764127D1
Authority
DE
Germany
Prior art keywords
low
magnetic resonance
frequency coil
generating images
interference high
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
DE8787200342T
Other languages
English (en)
Inventor
Vaals Johannes Jacobus Van
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3764127D1 publication Critical patent/DE3764127D1/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
    • G01R33/34046—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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field
    • 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
DE8787200342T 1986-03-21 1987-02-26 Apparat zur bilderzeugung mittels magnetischer resonanz mit einer interferenzarmen hochfrequenzspule. Expired - Lifetime DE3764127D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8600730A NL8600730A (nl) 1986-03-21 1986-03-21 Magnetisch resonantie apparaat met storingsvrije rf spoel.

Publications (1)

Publication Number Publication Date
DE3764127D1 true DE3764127D1 (de) 1990-09-13

Family

ID=19847753

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787200342T Expired - Lifetime DE3764127D1 (de) 1986-03-21 1987-02-26 Apparat zur bilderzeugung mittels magnetischer resonanz mit einer interferenzarmen hochfrequenzspule.

Country Status (5)

Country Link
US (1) US4910461A (de)
EP (1) EP0239147B1 (de)
JP (1) JPS62235553A (de)
DE (1) DE3764127D1 (de)
NL (1) NL8600730A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032707A1 (de) * 1990-10-15 1992-04-16 Siemens Ag Entstoerfilter fuer eine gradientenspule in einem kernspinresonanz-bildgeraet
EP0856744B1 (de) * 1991-08-07 2003-09-24 Varian, Inc. NMR-Sonde mit HF-Abschirmung der Probe
GB9319498D0 (en) * 1993-09-21 1993-11-03 Marconi Gec Ltd Magentic resonance apparatus
US5548218A (en) * 1995-10-19 1996-08-20 North Shore University Hospital Research Corporation Flexible RF coils for MRI system
DE29804339U1 (de) * 1998-03-11 1998-05-07 Siemens Ag Verstimmbare Hochfrequenzeinheit für ein Magnetresonanzgerät
US6781379B2 (en) * 2002-08-22 2004-08-24 Igc-Medical Advances, Inc. Cable routing and potential equalizing ring for magnetic resonance imaging coils
US7145339B2 (en) 2004-10-07 2006-12-05 Invivo Corporation Method and apparatus for discrete shielding of volume RFcoil arrays
US7714581B2 (en) 2006-04-19 2010-05-11 Wisconsin Alumni Research Foundation RF coil assembly for magnetic resonance imaging and spectroscopy systems
US7508212B2 (en) * 2007-03-22 2009-03-24 Wisconsin Alumni Research Foundation RF coil assembly and method for practicing magnetization transfer on magnetic resonance imaging and spectroscopy systems
WO2015075709A2 (en) 2013-11-20 2015-05-28 Aspect Imaging Ltd. A shutting assembly for closing an entrance of an mri device
DE202013011370U1 (de) 2013-12-18 2014-01-30 Aspect Imaging Ltd. HF-abschirmende Verbindung in einer MRT-Schließvorrichtung
US10386432B2 (en) 2013-12-18 2019-08-20 Aspect Imaging Ltd. Radiofrequency shielding conduit in a door or a doorframe of a magnetic resonance imaging room
DE202014101104U1 (de) 2014-03-09 2014-04-03 Aspect Imaging Ltd. Eine wärmeisolierende MRT-Ummantelung
DE202014101102U1 (de) 2014-03-09 2014-04-01 Aspect Imaging Ltd. Eine HF-abschirmende MRT-Ummantelung
US11029378B2 (en) * 2016-12-14 2021-06-08 Aspect Imaging Ltd. Extendable radiofrequency shield for magnetic resonance imaging device
US10401452B2 (en) 2017-04-28 2019-09-03 Aspect Imaging Ltd. System for reduction of a magnetic fringe field of a magnetic resonance imaging device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2349154A (en) * 1941-08-13 1944-05-16 Finch Telecommunications Inc Coaxial cable loop antenna
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
DE3133432A1 (de) * 1981-08-24 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur
DE3369885D1 (en) * 1982-06-28 1987-04-02 Oxford Res Syst Radiofrequency transducer and method of using same
NL8203621A (nl) * 1982-09-20 1984-04-16 Philips Nv Kernspintomograaf met faraday kooi.
NL8203934A (nl) * 1982-10-12 1984-05-01 Philips Nv Kernspintomograaf.
FR2534692A1 (fr) * 1982-10-15 1984-04-20 Thomson Csf Dispositif capteur de champ magnetique alternatif a haute sensibilite et a large bande, et appareil de mesure l'utilisant
DE3347597A1 (de) * 1983-12-30 1985-07-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
GB2159958B (en) * 1984-05-25 1988-03-02 Picker Int Ltd Rf field generating and detecting arrangements
FR2567647B1 (fr) * 1984-07-10 1987-12-18 Thomson Cgr Dispositif de creation et/ou de reception d'un champ magnetique alternatif pour appareil exploitant la resonance magnetique nucleaire
JPS6129775A (ja) * 1984-07-20 1986-02-10 Mitsubishi Electric Corp 高周波磁場発生・検出器

Also Published As

Publication number Publication date
US4910461A (en) 1990-03-20
EP0239147A1 (de) 1987-09-30
EP0239147B1 (de) 1990-08-08
JPS62235553A (ja) 1987-10-15
NL8600730A (nl) 1987-10-16

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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: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee