JPS6429102A - Cavity resonator for generating and inducing radio frequency magnetic field - Google Patents

Cavity resonator for generating and inducing radio frequency magnetic field

Info

Publication number
JPS6429102A
JPS6429102A JP63109274A JP10927488A JPS6429102A JP S6429102 A JPS6429102 A JP S6429102A JP 63109274 A JP63109274 A JP 63109274A JP 10927488 A JP10927488 A JP 10927488A JP S6429102 A JPS6429102 A JP S6429102A
Authority
JP
Japan
Prior art keywords
magnetic field
image pickup
gradient
cavity resonator
slits
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.)
Pending
Application number
JP63109274A
Other languages
English (en)
Inventor
Efu Buritsujizu Jieemuzu
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.)
ADVANCED N M R SYST Inc
Original Assignee
ADVANCED N M R SYST 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 ADVANCED N M R SYST Inc filed Critical ADVANCED N M R SYST Inc
Publication of JPS6429102A publication Critical patent/JPS6429102A/ja
Pending 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
    • 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
    • G01R33/343—Constructional details, e.g. resonators, specially adapted to MR of slotted-tube or loop-gap type
    • 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
JP63109274A 1987-05-04 1988-05-06 Cavity resonator for generating and inducing radio frequency magnetic field Pending JPS6429102A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/045,403 US4751464A (en) 1987-05-04 1987-05-04 Cavity resonator with improved magnetic field uniformity for high frequency operation and reduced dielectric heating in NMR imaging devices

Publications (1)

Publication Number Publication Date
JPS6429102A true JPS6429102A (en) 1989-01-31

Family

ID=21937676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63109274A Pending JPS6429102A (en) 1987-05-04 1988-05-06 Cavity resonator for generating and inducing radio frequency magnetic field

Country Status (3)

Country Link
US (1) US4751464A (ja)
EP (1) EP0290187A3 (ja)
JP (1) JPS6429102A (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06225861A (ja) * 1993-01-31 1994-08-16 Shimadzu Corp Ｍｒｉ装置の直交型ｒｆコイル
JPH06245918A (ja) * 1993-02-28 1994-09-06 Shimadzu Corp Ｍｒｉ装置のクワドラチャコイル
JP2003500133A (ja) * 1999-05-21 2003-01-07 ザ ゼネラル ホスピタル コーポレーション 撮像システム用ｒｆコイル
JP2007520714A (ja) * 2004-02-06 2007-07-26 コミッサリア タ レネルジー アトミーク 無線周波数伝送線路を使用する核磁気共鳴用の高周波空洞共振器
JP2007536018A (ja) * 2004-05-07 2007-12-13 リージェンツ オブ ザ ユニバーシティ オブ ミネソタ 磁気共鳴無線周波数コイルのための多電流素子
JP2008032553A (ja) * 2006-07-28 2008-02-14 Japan Science & Technology Agency 空洞共振器、及びそれを用いた電子スピン共鳴測定装置
JP2008526273A (ja) * 2004-12-22 2008-07-24 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 伝送ライン端部リングを備えたラジオ周波数コイル
JP2008528092A (ja) * 2005-01-24 2008-07-31 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 磁気共鳴イメージングのための直交コイル
JP2008539851A (ja) * 2005-05-06 2008-11-20 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 高磁場ｍｒｉコイル用の電磁場シールディング
JP2010240039A (ja) * 2009-04-02 2010-10-28 Hitachi Medical Corp アンテナ装置及び磁気共鳴検査装置

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5144240A (en) * 1985-08-14 1992-09-01 Picker International, Inc. Nmr spectroscopy and imaging coil
JPS63229037A (ja) * 1987-03-18 1988-09-22 Mitsubishi Electric Corp 核磁気共鳴装置
US4812764A (en) * 1988-03-31 1989-03-14 Varian Associates, Inc. Calibrated decoupling of tightly coupled concentric surface coils
GB2221995B (en) * 1988-08-19 1992-12-09 Picker Int Ltd Magnetic resonance methods and apparatus
DE3839046A1 (de) * 1988-11-18 1990-05-23 Bruker Medizintech Probenkopf fuer die nmr-tomographie
FR2648569B1 (fr) * 1989-05-12 1991-08-30 Commissariat Energie Atomique Resonateur parallelepipedique rectangulaire pour la creation d'un champ magnetique rf
EP0432241B1 (de) * 1989-07-05 1995-09-06 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Berlin Probenkopf für die kernresonanz-ganzkörper-tomographie oder die ortsabhängige in-vivo kernresonanz-spektroskopie
DE4038106C2 (de) * 1989-12-12 2002-04-18 Siemens Ag Oberflächenresonator für einen Kernspintomographen
US5041790A (en) * 1990-01-16 1991-08-20 Toshiba America Mri, Inc. Dual-tuned RF coil for MRI spectroscopy
US5017872A (en) * 1990-01-19 1991-05-21 General Electric Company NMR radio frequency coil with dielectric loading for improved field homogeneity
US5053711A (en) * 1990-01-19 1991-10-01 General Electric Company Nmr radio frequency coil with improved axial field homogeneity
FR2658955B1 (fr) * 1990-02-26 1992-04-30 Commissariat Energie Atomique Resonateur coaxial a capacite d'accord repartie.
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
US5081418A (en) * 1990-04-30 1992-01-14 General Electric Company Method and apparatus for tuning an nmr field coil
US5121055A (en) * 1990-07-26 1992-06-09 Biomagnetic Technologies, Inc. Verification of the operation of a biomagnetometer
JPH0816694B2 (ja) * 1991-02-05 1996-02-21 ゼネラル・エレクトリック・カンパニイ 動作効率向上のために誘電体をそなえたｎｍｒ無線周波コイル
US5258717A (en) * 1991-08-09 1993-11-02 Medrad, Inc. Geometrically isolated multiple port volume MRI receiving coil comprising multiple quadrature coils
JP3233974B2 (ja) * 1992-04-09 2001-12-04 株式会社東芝 Ｍｒｉ用高周波磁界シールド
US5445153A (en) * 1993-01-31 1995-08-29 Shimadzu Corporation Orthogonal RF coil for MRI apparatus
US5886596A (en) * 1993-08-06 1999-03-23 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
US5557247A (en) * 1993-08-06 1996-09-17 Uab Research Foundation Radio frequency volume coils for imaging and spectroscopy
US5483163A (en) * 1993-08-12 1996-01-09 The United States Of America As Represented By The Department Of Health And Human Services MRI coil using inductively coupled individually tuned elements arranged as free-pivoting components
DE4408195C2 (de) * 1994-03-11 1996-09-05 Bruker Analytische Messtechnik Resonator für die Kernspinresonanz
US5744957A (en) * 1995-08-15 1998-04-28 Uab Research Foundation Cavity resonator for NMR systems
US5986454A (en) * 1997-03-21 1999-11-16 Varian, Inc. Quadrature elliptical birdcage coil for NMR
US7196929B1 (en) * 1997-07-29 2007-03-27 Micron Technology Inc Method for operating a memory device having an amorphous silicon carbide gate insulator
US6794255B1 (en) * 1997-07-29 2004-09-21 Micron Technology, Inc. Carburized silicon gate insulators for integrated circuits
US6873156B2 (en) 1998-05-06 2005-03-29 Insight Neuroimaging Systems, Llc Method and apparatus for performing neuroimaging
US6711430B1 (en) 1998-10-09 2004-03-23 Insight Neuroimaging Systems, Inc. Method and apparatus for performing neuroimaging
US7598739B2 (en) * 1999-05-21 2009-10-06 Regents Of The University Of Minnesota Radio frequency gradient, shim and parallel imaging coil
US6232779B1 (en) 1999-08-25 2001-05-15 General Electric Company NMR RF coil with improved resonant tuning and field containment
US6501274B1 (en) 1999-10-15 2002-12-31 Nova Medical, Inc. Magnetic resonance imaging system using coils having paraxially distributed transmission line elements with outer and inner conductors
US6535084B1 (en) 2000-01-15 2003-03-18 Ge Medical Systems Global Technology Company, Llc Method and apparatus for designing an RF coil assembly
JP3516631B2 (ja) 2000-03-30 2004-04-05 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Ｒｆコイルおよび磁気共鳴撮影装置
US6888153B2 (en) * 2000-04-05 2005-05-03 University Of Washington Capacitive shield for containing radiofrequency magnetic fields
AU2001263072A1 (en) * 2000-05-11 2001-11-20 Uab Research Foundation High frequency large volume resonator
US7031476B1 (en) * 2000-06-13 2006-04-18 Sharp Laboratories Of America, Inc. Method and apparatus for intelligent speaker
US6788056B2 (en) * 2000-07-31 2004-09-07 Regents Of The University Of Minnesota Radio frequency magnetic field unit with aperature
AU2001296738A1 (en) * 2000-10-09 2002-04-22 Regents Of The University Of Minnesota Method and apparatus for magnetic resonance imaging and spectroscopy using microstrip transmission line coils
EP1326532A2 (en) * 2000-10-20 2003-07-16 Insight Neuroimaging Systems, LLC Method and apparatus for performing neuroimaging
US6771070B2 (en) * 2001-03-30 2004-08-03 Johns Hopkins University Apparatus for magnetic resonance imaging having a planar strip array antenna including systems and methods related thereto
US7505811B2 (en) 2001-11-19 2009-03-17 Dune Medical Devices Ltd. Method and apparatus for examining tissue for predefined target cells, particularly cancerous cells, and a probe useful in such method and apparatus
US20070255169A1 (en) * 2001-11-19 2007-11-01 Dune Medical Devices Ltd. Clean margin assessment tool
AU2002353183A1 (en) * 2001-12-31 2003-07-24 The Johns Hopkins University School Of Medicine Mri tunable antenna and system
US8032211B2 (en) * 2002-01-04 2011-10-04 Dune Medical Devices Ltd. Probes, systems, and methods for examining tissue according to the dielectric properties thereof
US8019411B2 (en) * 2002-01-04 2011-09-13 Dune Medical Devices Ltd. Probes, systems, and methods for examining tissue according to the dielectric properties thereof
US7809425B2 (en) * 2003-07-24 2010-10-05 Dune Medical Devices Ltd. Method and apparatus for examining a substance, particularly tissue, to characterize its type
US8116845B2 (en) 2005-08-04 2012-02-14 Dune Medical Devices Ltd. Tissue-characterization probe with effective sensor-to-tissue contact
WO2006103665A2 (en) * 2005-03-29 2006-10-05 Dune Medical Devices Ltd. Electromagnetic sensors for tissue characterization
WO2005089065A2 (en) 2004-03-23 2005-09-29 Dune Medical Devices Ltd. Clean margin assessment tool
US8721565B2 (en) * 2005-08-04 2014-05-13 Dune Medical Devices Ltd. Device for forming an effective sensor-to-tissue contact
US6995561B2 (en) * 2002-04-01 2006-02-07 Ge Medical Systems Global Technology Company, Llc Multiple channel, microstrip transceiver volume array for magnetic resonance imaging
US6992486B2 (en) * 2002-05-16 2006-01-31 Advanced Imaging Research, Inc. Radio frequency coil for resonance imaging analysis of pediatric patients
EP1514140A4 (en) * 2002-05-17 2006-01-25 Mr Instr Inc CAVITY RESONATOR FOR MR SYSTEMS
AU2003272059A1 (en) * 2002-10-17 2004-05-04 Ramot At Tel Aviv University Ltd. A radiofrequency magnetic field resonator and a method of designing the same
US7123012B2 (en) * 2002-11-29 2006-10-17 Advanced Imaging Research, Inc. Multiple tuned radio frequency coil for resonance imaging and spectroscopic analysis
DE10316557B4 (de) * 2003-04-10 2007-12-27 Siemens Ag Antennenelement für Magnetresonanzanwendungen und Antennenanordnung mit mehreren derartigen Antennenelementen
EP1653852A4 (en) * 2003-07-24 2010-06-09 Dune Medical Devices Ltd METHOD AND DEVICE FOR EXAMINING A SUBSTANCE, IN PARTICULAR A FABRIC, IN ORDER TO DETERMINE THE TYPE
CN100578250C (zh) * 2003-11-18 2010-01-06 皇家飞利浦电子股份有限公司 用于mri的混合tem/鸟笼型线圈
US7084630B2 (en) 2004-01-28 2006-08-01 Worcester Polytechnic Institute Multi-modal RF coil for magnetic resonance imaging
US7904145B2 (en) 2004-03-23 2011-03-08 Dune Medical Devices Ltd. Clean margin assessment tool
US9750425B2 (en) 2004-03-23 2017-09-05 Dune Medical Devices Ltd. Graphical user interfaces (GUI), methods and apparatus for data presentation
ITSV20040015A1 (it) 2004-04-07 2004-07-07 Esaote Spa Dispositivo porta-paziente, come un lettino od un tavolo oppure una poltrona, e per macchine a risonanza magnetica nucleare, macchina a rosonanza magnetica nucleare e metodo per l'acquisizione di immagini in risonanza magnetica nucleare
US6980003B2 (en) * 2004-05-14 2005-12-27 Albert Einstein College Of Medicine Of Yeshiva University Open half volume quadrature transverse electromagnetic coil for high field magnetic resonance imaging
CN1954230B (zh) * 2004-05-14 2014-10-15 皇家飞利浦电子股份有限公司 用于超高磁场mr的短元件tem线圈
US20090009169A1 (en) * 2004-06-18 2009-01-08 Koninklijke Philips Electronics N.V. Low Local Sar Birdcage Radio Frequency Coil
WO2006042267A1 (en) * 2004-10-07 2006-04-20 Invivo Corporation Method and apparatus for discrete shielding of volume rf coil arrays
US7253622B2 (en) * 2005-01-14 2007-08-07 Invivo Corporation High field head coil for dual-mode operation in magnetic resonance imaging
US7345482B2 (en) * 2005-01-14 2008-03-18 Invivo Corporation High-field mode-stable resonator for magnetic resonance imaging
US7659719B2 (en) * 2005-11-25 2010-02-09 Mr Instruments, Inc. Cavity resonator for magnetic resonance systems
CA2645229A1 (en) 2006-03-09 2007-09-13 Insight Neuroimaging Systems, Llc Microstrip coil designs for mri devices
US7714581B2 (en) * 2006-04-19 2010-05-11 Wisconsin Alumni Research Foundation RF coil assembly for magnetic resonance imaging and spectroscopy systems
US8147423B2 (en) * 2007-03-01 2012-04-03 Dune Medical Devices, Ltd. Tissue-characterization system and method
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
WO2008135943A1 (en) * 2007-05-03 2008-11-13 Philips Intellectual Property & Standards Gmbh Transverse electromagnetic radio-frequency coil
US8193809B2 (en) * 2007-05-03 2012-06-05 Regents Of The University Of Minnesota Three dimensional RF coil structures for field profiling
US7816918B2 (en) * 2007-05-24 2010-10-19 The Johns Hopkins University Optimized MRI strip array detectors and apparatus, systems and methods related thereto
JP5474925B2 (ja) * 2008-03-19 2014-04-16 コーニンクレッカ フィリップス エヌ ヴェ 導波路及び導波路を備えるコンピュータ断層撮影システム
US9429634B2 (en) * 2008-04-07 2016-08-30 University Of Queensland MRI coil design with volumetric trough-shaped coil elements
US8947084B2 (en) * 2008-10-29 2015-02-03 Hitachi Medical Corporation Antenna device and magnetic resonance imaging device
US8823373B2 (en) * 2009-04-03 2014-09-02 Johann Wolfgang Goethe-Universität Frankfurt am Main Dual-resonance structure and method for examining samples using a plurality of conductive strips
WO2010150716A1 (ja) * 2009-06-24 2010-12-29 株式会社 日立メディコ Ｒｆコイル及び磁気共鳴イメージング装置
FR2956214B1 (fr) 2010-02-09 2012-02-24 Commissariat Energie Atomique Resonateur lineaire d'une antenne haute frequence pour appareil d'imagerie par resonance magnetique nucleaire
FR2956744B1 (fr) 2010-02-24 2012-03-09 Commissariat Energie Atomique Procede de realisation d'un module de pilotage d'une antenne haute frequence pour appareil d'imagerie par resonnance magnetique nucleaire
CN103037765B (zh) 2010-02-26 2015-05-27 株式会社日立医疗器械 天线装置
DE102010027251B4 (de) * 2010-07-15 2019-12-05 Spinner Gmbh Koaxialleiterstruktur
JP5248557B2 (ja) * 2010-07-29 2013-07-31 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴イメージング装置
US9599685B2 (en) 2010-10-07 2017-03-21 Hitachi, Ltd. Antenna device and magnetic resonance imaging device for suppressing absorption rate of irradiated waves
FR2978250B1 (fr) 2011-07-20 2014-11-21 Commissariat Energie Atomique Procede de realisation d’un module compact de pilotage d’une antenne haute frequence pour appareil d’imagerie par resonnance magnetique nucleaire
US9618592B2 (en) * 2011-09-30 2017-04-11 Hitachi, Ltd. Magnetic resonance imaging device with vibration suppression
DE212012000186U1 (de) 2011-11-01 2014-05-28 Hitachi Medical Corp. Kernspintomograph und Antennenvorrichtung
EP2825897B1 (en) 2012-03-14 2021-08-25 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
CN104703538B (zh) 2012-11-06 2017-05-03 株式会社日立制作所 磁共振成像装置以及天线装置
US10952654B2 (en) 2017-03-14 2021-03-23 International Business Machines Corporation PH sensitive surgical tool
WO2019051016A1 (en) * 2017-09-07 2019-03-14 Amherst College SPIN RESONANCE SPECTROSCOPY LOOP INTERVAL RESONATORS

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839939A (ja) * 1981-08-24 1983-03-08 シ−メンス・アクチエンゲゼルシヤフト 核スピン共鳴装置用の高周波発生又は受信装置
EP0156979A1 (de) * 1984-03-20 1985-10-09 Siemens Aktiengesellschaft Hochfrequenz-Antenneneinrichtung in einer Appparatur zur Kernspintomographie und Verfahren zum Betrieb dieser Einrichtung
JPS6249840A (ja) * 1985-06-22 1987-03-04 ブルカ−・メデイツインテヒニツク・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ 核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツド

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2034123B (en) * 1978-10-17 1982-11-10 Edelstein W Coil winding for quadrupolar fields
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
NL8203934A (nl) * 1982-10-12 1984-05-01 Philips Nv Kernspintomograaf.
US4692705A (en) * 1983-12-23 1987-09-08 General Electric Company Radio frequency field coil for NMR
US4628264A (en) * 1984-03-14 1986-12-09 Advanced Nmr Systems, Inc. NMR gradient field modulation
DE3410215A1 (de) * 1984-03-20 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-antenneneinrichtung in einer kernspintomographie-apparatur und verfahren zu ihrem betrieb
US4641097A (en) * 1984-05-10 1987-02-03 General Electrtic Company Elliptical cross-section slotted-tube radio-frequency resonator for nuclear magnetic resonance imaging
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
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
FR2583165B1 (fr) * 1985-06-11 1987-08-07 Thomson Cgr Procede de fabrication d'un ecran et ecran, notamment pour appareil d'imagerie par resonance magnetique nucleaire
DE3616706A1 (de) * 1986-05-20 1987-11-26 Siemens Ag Antenneneinrichtung einer kernspintomographie-apparatur zum anregen und/oder empfangen hochfrequenter felder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5839939A (ja) * 1981-08-24 1983-03-08 シ−メンス・アクチエンゲゼルシヤフト 核スピン共鳴装置用の高周波発生又は受信装置
EP0156979A1 (de) * 1984-03-20 1985-10-09 Siemens Aktiengesellschaft Hochfrequenz-Antenneneinrichtung in einer Appparatur zur Kernspintomographie und Verfahren zum Betrieb dieser Einrichtung
JPS6249840A (ja) * 1985-06-22 1987-03-04 ブルカ−・メデイツインテヒニツク・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング・ 核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツド

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06225861A (ja) * 1993-01-31 1994-08-16 Shimadzu Corp Ｍｒｉ装置の直交型ｒｆコイル
JPH06245918A (ja) * 1993-02-28 1994-09-06 Shimadzu Corp Ｍｒｉ装置のクワドラチャコイル
JP2003500133A (ja) * 1999-05-21 2003-01-07 ザ ゼネラル ホスピタル コーポレーション 撮像システム用ｒｆコイル
JP2007520714A (ja) * 2004-02-06 2007-07-26 コミッサリア タ レネルジー アトミーク 無線周波数伝送線路を使用する核磁気共鳴用の高周波空洞共振器
JP2007536018A (ja) * 2004-05-07 2007-12-13 リージェンツ オブ ザ ユニバーシティ オブ ミネソタ 磁気共鳴無線周波数コイルのための多電流素子
JP2008526273A (ja) * 2004-12-22 2008-07-24 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 伝送ライン端部リングを備えたラジオ周波数コイル
JP2008528092A (ja) * 2005-01-24 2008-07-31 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 磁気共鳴イメージングのための直交コイル
JP2008539851A (ja) * 2005-05-06 2008-11-20 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 高磁場ｍｒｉコイル用の電磁場シールディング
JP2012139547A (ja) * 2005-05-06 2012-07-26 Koninkl Philips Electronics Nv 高磁場ｍｒｉコイル用の電磁場シールディング
JP2008032553A (ja) * 2006-07-28 2008-02-14 Japan Science & Technology Agency 空洞共振器、及びそれを用いた電子スピン共鳴測定装置
JP2010240039A (ja) * 2009-04-02 2010-10-28 Hitachi Medical Corp アンテナ装置及び磁気共鳴検査装置

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US4751464A (en) 1988-06-14
EP0290187A3 (en) 1989-09-20

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