DE3671522D1 - Hochfrequenzantennensystem fuer kernspintomographiegeraete. - Google Patents

Hochfrequenzantennensystem fuer kernspintomographiegeraete.

Info

Publication number
DE3671522D1
DE3671522D1 DE8686102087T DE3671522T DE3671522D1 DE 3671522 D1 DE3671522 D1 DE 3671522D1 DE 8686102087 T DE8686102087 T DE 8686102087T DE 3671522 T DE3671522 T DE 3671522T DE 3671522 D1 DE3671522 D1 DE 3671522D1
Authority
DE
Germany
Prior art keywords
spin
high frequency
antenna system
frequency antenna
mri devices
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
DE8686102087T
Other languages
German (de)
English (en)
Inventor
Joachim Kestler
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Priority to DE8686102087T priority Critical patent/DE3671522D1/de
Application granted granted Critical
Publication of DE3671522D1 publication Critical patent/DE3671522D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01R33/34046Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised 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
    • G01R33/3628Tuning/matching of the transmit/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
    • G01R33/42Screening
    • G01R33/422Screening of the radio frequency field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8686102087T 1985-03-06 1986-02-18 Hochfrequenzantennensystem fuer kernspintomographiegeraete. Expired - Lifetime DE3671522D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8686102087T DE3671522D1 (de) 1985-03-06 1986-02-18 Hochfrequenzantennensystem fuer kernspintomographiegeraete.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3507946 1985-03-06
DE8686102087T DE3671522D1 (de) 1985-03-06 1986-02-18 Hochfrequenzantennensystem fuer kernspintomographiegeraete.

Publications (1)

Publication Number Publication Date
DE3671522D1 true DE3671522D1 (de) 1990-06-28

Family

ID=6264381

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686102087T Expired - Lifetime DE3671522D1 (de) 1985-03-06 1986-02-18 Hochfrequenzantennensystem fuer kernspintomographiegeraete.

Country Status (4)

Country Link
US (1) US4721915A (OSRAM)
EP (1) EP0193783B1 (OSRAM)
JP (1) JPS61148310U (OSRAM)
DE (1) DE3671522D1 (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270656A (en) * 1992-04-24 1993-12-14 The Trustees Of The University Of Pennsylvania Biplanar RF coils for magnetic resonance imaging or spectroscopy
WO2013135251A1 (en) 2012-03-14 2013-09-19 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e. V. A method for multi-mode, multi-load, and multi-domain optimization of a multi-channel near-field rf transmitter
US9885766B2 (en) 2012-04-17 2018-02-06 Transarray LLC Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof
DE102015206788B3 (de) 2015-04-15 2016-08-11 Bruker Biospin Ag NMR Sende/Empfangsspulenanordnung

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839939B2 (ja) * 1979-12-29 1983-09-02 株式会社タケダレ−ス レ−ス地縁部におけるスカラツプおよびピコツトの形成方法
DE3175414D1 (en) * 1980-08-29 1986-11-06 Technicare Corp 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
FR2530816A1 (fr) * 1982-07-21 1984-01-27 Inst Physique Biolog Systeme d'antennes radiofrequence pour l'examen des corps volumineux par resonance magnetique nucleaire et appareil d'imagerie utilisant un tel systeme
NL8203934A (nl) * 1982-10-12 1984-05-01 Philips Nv Kernspintomograaf.
US4517516A (en) * 1983-04-08 1985-05-14 Varian Associates, Inc. NMR Probe coil form structure
US4607225A (en) * 1983-07-19 1986-08-19 Regents Of The University Of California Apparatus and method for reducing spurious currents in NMR imaging apparatus induced by pulsed gradient fields
US4563648A (en) * 1983-09-22 1986-01-07 Varian Associates, Inc. Geometric compensation of magnetic susceptibility perturbations in an RF spectrometer
DE3347597A1 (de) * 1983-12-30 1985-07-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
JPS60194339A (ja) * 1984-03-15 1985-10-02 Toshiba Corp 核磁気共鳴装置
DE3410204A1 (de) * 1984-03-20 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-antenneneinrichtung in einer apparatur zur kernspintomographie und verfahren zum betrieb dieser einrichtung
US4594566A (en) * 1984-08-30 1986-06-10 Advanced Nmr Systems, Inc. High frequency rf coil for NMR device
US4638253A (en) * 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
US4641098A (en) * 1985-03-15 1987-02-03 Doty Scientific, Inc. Parallel single turn saddle resonator for nuclear magnetic resonance signal reception

Also Published As

Publication number Publication date
EP0193783B1 (de) 1990-05-23
US4721915A (en) 1988-01-26
JPS61148310U (OSRAM) 1986-09-12
EP0193783A1 (de) 1986-09-10

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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