DE3664003D1 - Magnetic resonance imaging apparatus including two orthogonal r.f. coils - Google Patents

Magnetic resonance imaging apparatus including two orthogonal r.f. coils

Info

Publication number
DE3664003D1
DE3664003D1 DE8686200433T DE3664003T DE3664003D1 DE 3664003 D1 DE3664003 D1 DE 3664003D1 DE 8686200433 T DE8686200433 T DE 8686200433T DE 3664003 T DE3664003 T DE 3664003T DE 3664003 D1 DE3664003 D1 DE 3664003D1
Authority
DE
Germany
Prior art keywords
coils
orthogonal
magnetic resonance
imaging apparatus
apparatus including
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
Application number
DE8686200433T
Other languages
English (en)
Inventor
Rudolf Kemner
Hilco Theodorus Kalmijn
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 DE3664003D1 publication Critical patent/DE3664003D1/de
Expired 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678—Electrical 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8686200433T 1985-03-22 1986-03-19 Magnetic resonance imaging apparatus including two orthogonal r.f. coils Expired DE3664003D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8500844A NL8500844A (nl) 1985-03-22 1985-03-22 Mr apparaat met twee orthogonale rf spoelenpaar.

Publications (1)

Publication Number Publication Date
DE3664003D1 true DE3664003D1 (en) 1989-07-20

Family

ID=19845726

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686200433T Expired DE3664003D1 (en) 1985-03-22 1986-03-19 Magnetic resonance imaging apparatus including two orthogonal r.f. coils

Country Status (5)

Country Link
US (1) US4712069A (de)
EP (1) EP0196134B1 (de)
JP (1) JPS61226028A (de)
DE (1) DE3664003D1 (de)
NL (1) NL8500844A (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684895A (en) * 1985-08-05 1987-08-04 Picker International, Inc. Interface system for NMR spectrometer and quadrature probe
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.
NL8603253A (nl) * 1986-12-22 1988-07-18 Philips Nv Kernspinresonantie-apparaat met draaiveldopwekking en detektie.
US4731585A (en) * 1987-02-24 1988-03-15 Kabushiki Kaisha Toshiba Antenna coupling circuit for magnetic resonance imaging
IL82658A (en) * 1987-05-26 1990-12-23 Elscint Ltd Balun circuit for radio frequency coils in mr systems
IL82716A (en) * 1987-05-29 1992-08-18 Elscint Ltd Quadrature combiner
US4763076A (en) * 1987-09-01 1988-08-09 The Regents Of The University Of California MRI transmit coil disable switching via RF in/out cable
NL8801077A (nl) * 1988-04-26 1989-11-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelde rf-spoelen.
EP0361190A1 (de) * 1988-09-23 1990-04-04 Siemens Aktiengesellschaft Oberflächenspulenanordnung für Untersuchungen mit Hilfe der kernnmagnetischen Resonanz
DE3918743A1 (de) * 1989-06-08 1990-12-13 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung
DE4030878A1 (de) * 1990-09-29 1992-04-02 Siemens Ag Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet
US5296814A (en) * 1992-04-15 1994-03-22 General Electric Company Tunable signal coupler for a magnetic resonance imaging system
US5483158A (en) * 1993-10-21 1996-01-09 The Regents Of The University Of California Method and apparatus for tuning MRI RF coils
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
JP3812368B2 (ja) * 2001-06-06 2006-08-23 豊田合成株式会社 Ｉｉｉ族窒化物系化合物半導体素子及びその製造方法
JP2005520658A (ja) 2002-03-21 2005-07-14 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 Ｍｒｉシステムに対するコンバイナ／スプリッタ装置
US7714581B2 (en) * 2006-04-19 2010-05-11 Wisconsin Alumni Research Foundation RF coil assembly for magnetic resonance imaging and spectroscopy systems
JP2009279422A (ja) * 2009-07-21 2009-12-03 Ge Healthcare Japan Corp Ｒｆコイルおよび磁気共鳴撮影装置
US10092351B2 (en) * 2015-02-11 2018-10-09 Elwha Llc Minimally-invasive tissue ablation using high contrast electric fields

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE3175414D1 (en) * 1980-08-29 1986-11-06 Technicare Corp Distributed phase rf coil
US4446431A (en) * 1981-08-24 1984-05-01 Monsanto Company Double-tuned single coil probe for nuclear magnetic resonance spectrometer
JPS59501173A (ja) * 1982-06-28 1984-07-05 オックスフォ−ド・リサ−チ・システムズ・リミテッド 核磁気共鳴スペクトロメータ用のプローブアセンブリおよびその使用法
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
JPS61226028A (ja) 1986-10-07
EP0196134A1 (de) 1986-10-01
US4712069A (en) 1987-12-08
NL8500844A (nl) 1986-10-16
EP0196134B1 (de) 1989-06-14

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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