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
FI840232A0 (fi
FI73320C (fi
FI73320B (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)

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DE3771630D1 (de) * 1986-09-22 1991-08-29 Siemens Ag Kernspin-resonanzgeraet 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
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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
US7747310B2 (en) * 2002-05-16 2010-06-29 Medrad, Inc. System and method of obtaining images and spectra of intracavity structures using 3.0 Tesla magnetic resonance systems
EP1811898B1 (en) * 2004-11-15 2018-03-14 Bayer Healthcare LLC Intracavity probes and interfaces therefor for use in obtaining images and spectra of intracavity structures using high field magnetic resonance systems
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
AU2018279078B2 (en) 2017-06-07 2023-09-28 Trustees Of Boston University Apparatus for improving magnetic resonance imaging
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
CN114929103A (zh) 2019-10-08 2022-08-19 波士顿大学基金会 用于改变共振频率的非线性和智能超材料
FR3128792A1 (fr) * 2021-10-28 2023-05-05 Multiwave Imaging Dispositif radiofréquence pour un système d’imagerie par résonance magnétique

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Also Published As

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

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Owner name: INSTRUMENTARIUM OY