FI840232A - Nmr-spoleanordning. - Google Patents

Nmr-spoleanordning. Download PDF

Info

Publication number
FI840232A
FI840232A FI840232A FI840232A FI840232A FI 840232 A FI840232 A FI 840232A FI 840232 A FI840232 A FI 840232A FI 840232 A FI840232 A FI 840232A FI 840232 A FI840232 A FI 840232A
Authority
FI
Finland
Prior art keywords
spoleanordning
nmr
nmr spoleanordning
Prior art date
Application number
FI840232A
Other languages
English (en)
Other versions
FI73320C (fi
FI73320B (fi
FI840232A0 (fi
Inventor
Jukka Tanttu
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI840232A priority Critical patent/FI73320C/fi
Publication of FI840232A0 publication Critical patent/FI840232A0/fi
Priority to DE3500456A priority patent/DE3500456C2/de
Priority to US06/690,303 priority patent/US4680549A/en
Priority to GB08501371A priority patent/GB2153086B/en
Priority to JP60008934A priority patent/JPH0616759B2/ja
Publication of FI840232A publication Critical patent/FI840232A/fi
Application granted granted Critical
Publication of FI73320B publication Critical patent/FI73320B/fi
Publication of FI73320C publication Critical patent/FI73320C/fi

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
    • G01R33/3642—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
    • 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
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI840232A 1984-01-20 1984-01-20 Nmr-spolarrangemang. FI73320C (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI840232A FI73320C (fi) 1984-01-20 1984-01-20 Nmr-spolarrangemang.
DE3500456A DE3500456C2 (de) 1984-01-20 1985-01-09 Spulenanordnung für ein NMR-Untersuchungsgerät
US06/690,303 US4680549A (en) 1984-01-20 1985-01-10 NMR coil arrangement
GB08501371A GB2153086B (en) 1984-01-20 1985-01-18 Nmr coil arrangement
JP60008934A JPH0616759B2 (ja) 1984-01-20 1985-01-21 核磁気共鳴コイル装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI840232A FI73320C (fi) 1984-01-20 1984-01-20 Nmr-spolarrangemang.
FI840232 1984-01-20

Publications (4)

Publication Number Publication Date
FI840232A0 FI840232A0 (fi) 1984-01-20
FI840232A true FI840232A (fi) 1985-07-21
FI73320B FI73320B (fi) 1987-05-29
FI73320C FI73320C (fi) 1987-09-10

Family

ID=8518405

Family Applications (1)

Application Number Title Priority Date Filing Date
FI840232A FI73320C (fi) 1984-01-20 1984-01-20 Nmr-spolarrangemang.

Country Status (5)

Country Link
US (1) US4680549A (fi)
JP (1) JPH0616759B2 (fi)
DE (1) DE3500456C2 (fi)
FI (1) FI73320C (fi)
GB (1) GB2153086B (fi)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8401671A (nl) * 1984-05-25 1985-12-16 Philips Nv Kernspinresonantie apparaat met oppervlaktespoel detectie.
DE3427666A1 (de) * 1984-07-26 1986-02-06 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Schaltungsanordnung fuer einen messkopf eines kernspinresonanzgeraetes
US4638253A (en) * 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
US4724389A (en) * 1985-05-08 1988-02-09 Medical College Of Wisconsin, Inc. Loop-gap resonator for localized NMR imaging
US4920318A (en) * 1985-08-14 1990-04-24 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4918388A (en) * 1985-08-14 1990-04-17 Picker International, Inc. Quadrature surface coils for magnetic resonance imaging
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4717881A (en) * 1985-11-15 1988-01-05 Technicare Corporation Radio frequency coils for nuclear magnetic resonance imaging systems
IL78767A (en) * 1986-05-13 1989-09-10 Elscint Ltd Probe for nuclear magnetic resonance systems
EP0262495B1 (de) * 1986-09-22 1991-07-24 Siemens Aktiengesellschaft Kernspin-Resonanzgerät zur Ermittlung von Spektren oder Bildern eines Untersuchungsobjektes
JPS63111843A (ja) * 1986-10-29 1988-05-17 株式会社　日立メデイコ Ｍｒｉ装置
JPS63154170A (ja) * 1986-12-19 1988-06-27 株式会社東芝 磁気共鳴イメ−ジング装置
NL8603252A (nl) * 1986-12-22 1988-07-18 Philips Nv Magnetisch resonantie-apparaat met verstemde rf-spoel.
JP2572218B2 (ja) * 1986-12-26 1997-01-16 株式会社日立メディコ 核磁気共鳴を用いた検査装置
NL8700281A (nl) * 1987-02-06 1988-09-01 Philips Nv Magnetisch resonantie apparaat met verbeterde detectie.
IL82716A (en) * 1987-05-29 1992-08-18 Elscint Ltd Quadrature combiner
JP2690987B2 (ja) * 1987-06-23 1997-12-17 ハフスルンド・ニユコメド・イノベイション・アクチェボラーグ 磁気共鳴像形成における改良
US4791372A (en) * 1987-08-17 1988-12-13 Resonex, Inc. Conformable head or body coil assembly for magnetic imaging apparatus
JPH0616760B2 (ja) * 1988-09-09 1994-03-09 ザ・トラステイズ・オブ・ザ・ユーニバァスィティ・オブ・ペンシルバニア 核磁気共鳴映像法で使用するためのコイル組立体
US5348010A (en) * 1989-02-24 1994-09-20 Medrea, Inc., Pennsylvania Corp., Pa. Intracavity probe and interface device for MRI imaging and spectroscopy
ATE129395T1 (de) * 1989-02-27 1995-11-15 Medrad Inc Sonde für körperhöhlen und schnittstelleneinrichtung für magnetresonanzdarstellung und spektroskopie.
FR2655157B1 (fr) * 1989-11-24 1992-04-10 Mehier Henri Procede d'amelioration du facteur de qualite des antennes et plus particulierement des bobines de surface utilisees dans les applications medicales de la resonance magnetique nucleaire et dispositif pour sa mise en óoeuvre.
JPH0616762B2 (ja) * 1989-12-18 1994-03-09 ゼネラル・エレクトリツク・カンパニイ 眼のｎｍｒ映像形成用アンテナ
US5201312A (en) * 1989-12-18 1993-04-13 General Electric Company Antennae for high-resolution magnetic resonance imaging of the eye
DE4030877A1 (de) * 1990-09-29 1992-04-02 Siemens Ag Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet
DE4030878A1 (de) * 1990-09-29 1992-04-02 Siemens Ag Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet
DE4238831A1 (de) * 1992-11-17 1994-05-19 Siemens Ag Hochfrequenzeinrichtung einer Anlage zur Kernspintomographie mit einer Oberflächenspule
DE4322352C2 (de) * 1993-07-05 1996-09-05 Siemens Ag Hochfrequenz-System einer Anlage zur Kernspintomographie mit einer galvanisch entkoppelten Lokalspuleneinrichtung
DE4434949C2 (de) * 1994-09-29 1998-05-20 Siemens Ag Mammographie-Antennenanordnung für Magnetresonanzuntersuchungen einer weiblichen Brust
US5751146A (en) * 1994-12-01 1998-05-12 Magnetic Vision Technologies, Inc. Surface coil for high resolution imaging
DE19511796C2 (de) * 1995-03-30 1998-10-01 Siemens Ag Kopfantenne für Magnetresonanzuntersuchungen
GB9508635D0 (en) * 1995-04-28 1995-06-14 Mansfield Peter Method and apparatus for elimination of mutual coupling in magnetic coils
GB9626070D0 (en) 1996-12-16 1997-02-05 Marconi Gec Ltd Nuclear magnetic resonance imaging apparatus
DE19751017C2 (de) * 1997-11-18 2002-04-11 Siemens Ag MR-Abbildungssystem mit galvanisch isoliertem Spulenelement
DE19844762B4 (de) 1998-09-29 2005-02-24 Siemens Ag Vorrichtung zur induktiven Einkopplung eines Kernspinresonanzsignals in eine Empfangsantenne sowie medizinisches Interventionsinstrument
US6493572B1 (en) 1999-09-30 2002-12-10 Toshiba America Mri, Inc. Inherently de-coupled sandwiched solenoidal array coil
DE19956595A1 (de) * 1999-11-25 2001-05-31 Philips Corp Intellectual Pty MR-Verfahren zur Anregung der Kernmagnetisierung in einem begrenzten räumlichen Bereich
DE10050725C2 (de) * 2000-10-13 2002-10-17 Siemens Ag Induktiv gekoppelte Empfangsspulenanordnung für die Kernspintomographie
DE10126338A1 (de) * 2001-05-30 2002-12-12 Siemens Ag Hochfrequenz-Spulenanordnung für ein Kernspintomographie-Gerät und Kernspintomorgraphie-Gerät
WO2003098236A2 (en) 2002-05-16 2003-11-27 Medrad, Inc. System and method of obtaining images and spectra of intracavity structures using 3.0 tesla magnetic resonance systems
CN100536767C (zh) * 2004-11-15 2009-09-09 梅德拉股份有限公司 在使用高磁场核磁共振系统获取腔内结构的图像和频谱时使用的腔内探针及其接口
JP4427475B2 (ja) * 2005-04-01 2010-03-10 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 Ｍｒｉ装置及び補助コイル
DE102005056711B3 (de) * 2005-11-28 2007-05-10 Siemens Ag Magnetresonanzanlage mit einem Grundkörper und einer Patientenliege
DE102006046044B4 (de) * 2006-09-28 2010-04-08 Siemens Ag Hochfrequenzsendeanordnung einer Magnetresonanzanlage
DE102006052217B4 (de) * 2006-11-06 2012-04-26 Siemens Ag Magnetresonanzanlage mit Empfangsantenneneinrichtung
DE102006058848B4 (de) * 2006-12-13 2010-08-05 Siemens Ag Magnetresonanzanlage mit einem Grundkörper und einer Patientenliege
DE102007047020B4 (de) 2007-10-01 2012-07-12 Siemens Ag Anordnung zur Übertragung von Magnetresonanzsignalen
CN101782635A (zh) * 2009-01-20 2010-07-21 西门子迈迪特(深圳)磁共振有限公司 磁共振信号的接收器和接收方法
US8823378B2 (en) 2010-12-23 2014-09-02 General Electric Company System and method for inductively communicating data
US8797029B2 (en) 2011-04-20 2014-08-05 Imris Inc Magnetic resonance signal detection using remotely positioned receive coils
US8487615B2 (en) 2011-04-20 2013-07-16 Imris Inc Magnetic resonance signal detection using remotely positioned receive coils
DE102013214285A1 (de) 2013-07-22 2015-01-22 Siemens Aktiengesellschaft Verwendung mehrerer TX-Spulen
DE102014200342A1 (de) * 2014-01-10 2015-07-16 Siemens Aktiengesellschaft Magnetresonanz-Tomographie-System zur Erzeugung einer mammographischen Darstellung
DE102014222938B4 (de) 2014-11-11 2016-08-18 Siemens Healthcare Gmbh MR-Lokalspulensystem, MR-System und Verfahren zum Betreiben desselben
EP3112889A1 (en) * 2015-06-30 2017-01-04 Voxalytic GmbH Rf resonator with a lenz lens
US10852373B2 (en) 2016-09-21 2020-12-01 Quality Electrodynamics, Llc Modulating magnetic resonance imaging transmit field in magnetic resonance fingerprinting using single layer transmit/receive radio frequency coil
US10386430B2 (en) 2016-09-21 2019-08-20 Quality Electrodynamics, Llc Single layer magnetic resonance imaging transmit/receive radio frequency coil
US11156682B2 (en) 2017-03-24 2021-10-26 Quality Electrodynamics, Llc Single layer magnetic resonance imaging transmit/receive radio frequency coil for different anatomies
US10976388B2 (en) 2017-03-24 2021-04-13 Quality Electrodynamics, Llc Minimizing intravascular magnetic resonance imaging (MRI) guidewire heating with single layer MRI transmit/receive radio frequency coil
US10649048B2 (en) 2017-04-28 2020-05-12 Quality Electrodynamics, Llc Single layer magnetic resonance imaging (MRI) transmit/receive (TX/RX) radio frequency (RF) coil with integrated shimming
DE102017207500A1 (de) * 2017-05-04 2018-11-08 Siemens Healthcare Gmbh Spulenanordnung zum Senden von Hochfrequenzstrahlung
US11193992B2 (en) 2017-05-05 2021-12-07 Quality Electrodynamics, Llc Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection
CN110678769B (zh) 2017-06-07 2023-05-16 波士顿大学基金会 改善mri机器的操作的设备和对检体进行磁共振成像的方法
US10838028B2 (en) 2017-06-19 2020-11-17 Quality Electrodynamics, Llc Decoupling magnetic resonance imaging (MRI) radio frequency (RF) coil elements with high acceleration factor in parallel transmit (pTx) or receive (Rx) coils using fewer channels
US10859647B2 (en) 2018-02-19 2020-12-08 Quality Electrodynamics, Llc Magnetic resonance imaging (MRI) transmit (Tx)/ receive (Rx) coil using the same array coil
US11204401B2 (en) 2019-03-12 2021-12-21 Quality Electrodynamics, Llc Cylindrical-like single layer technology (SLT) magnetic resonance imaging (MRI) array coil with at least one row as a birdcage coil in transmit mode
WO2021072039A1 (en) 2019-10-08 2021-04-15 Xin Zhang Nonlinear and smart metamaterials useful to change resonance frequencies
FR3128792A1 (fr) * 2021-10-28 2023-05-05 Multiwave Imaging Dispositif radiofréquence pour un système d’imagerie par résonance magnétique
CN118348465A (zh) * 2024-04-12 2024-07-16 中国科学院深圳先进技术研究院 一种用于磁共振成像的通用无线射频线圈系统和成像方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1813205B2 (de) * 1968-12-06 1971-02-04 Siemens AG, 1000 Berlin u. 8000 München Hochfrequenzspule zur Induktion von Kern oder Elektronenresonanz
US3789832A (en) * 1972-03-17 1974-02-05 R Damadian Apparatus and method for detecting cancer in tissue
JPS49103693A (fi) * 1973-02-02 1974-10-01
GB1544272A (en) * 1975-02-04 1979-04-19 Jeol Ltd Nuclear magnetic resonance apparatus
US4354499A (en) * 1978-11-20 1982-10-19 Damadian Raymond V Apparatus and method for nuclear magnetic resonance scanning and mapping
US4442404A (en) * 1978-12-19 1984-04-10 Bergmann Wilfried H Method and means for the noninvasive, local, in-vivo examination of endogeneous tissue, organs, bones, nerves and circulating blood on account of spin-echo techniques
GB2076542B (en) * 1980-05-21 1984-02-15 Emi Ltd Nmr imaging apparatus
FI64282C (fi) * 1981-06-04 1983-11-10 Instrumentarium Oy Diagnosapparatur foer bestaemmande av vaevnadernas struktur oc sammansaettning
JPS58187839A (ja) * 1982-04-27 1983-11-02 Shimadzu Corp 核磁気共鳴映像装置
FI65365C (fi) * 1982-07-07 1984-05-10 Instrumentarium Oy Spolanordning
JPS59156332A (ja) * 1983-02-25 1984-09-05 株式会社東芝 磁気共鳴イメージング装置
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4617936A (en) * 1985-08-08 1986-10-21 North American Philips Corporation Flexible surface coil for magnetic resonance imaging

Also Published As

Publication number Publication date
FI73320C (fi) 1987-09-10
FI73320B (fi) 1987-05-29
GB2153086A (en) 1985-08-14
GB2153086B (en) 1987-09-09
DE3500456A1 (de) 1985-07-25
FI840232A0 (fi) 1984-01-20
US4680549A (en) 1987-07-14
GB8501371D0 (en) 1985-02-20
JPS60209153A (ja) 1985-10-21
DE3500456C2 (de) 1994-09-29
JPH0616759B2 (ja) 1994-03-09

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Owner name: INSTRUMENTARIUM OY