IL105368A - Magnetic-nuclear resonant field coil that is dynamically tuned to a different frequency - Google Patents

Magnetic-nuclear resonant field coil that is dynamically tuned to a different frequency

Info

Publication number
IL105368A
IL105368A IL10536893A IL10536893A IL105368A IL 105368 A IL105368 A IL 105368A IL 10536893 A IL10536893 A IL 10536893A IL 10536893 A IL10536893 A IL 10536893A IL 105368 A IL105368 A IL 105368A
Authority
IL
Israel
Prior art keywords
coil
detuning
capacitors
recited
volume coil
Prior art date
Application number
IL10536893A
Other languages
English (en)
Hebrew (he)
Other versions
IL105368A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL105368A0 publication Critical patent/IL105368A0/xx
Publication of IL105368A publication Critical patent/IL105368A/en

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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34076—Birdcage 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
    • G01R33/3642—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL10536893A 1992-04-27 1993-04-14 Magnetic-nuclear resonant field coil that is dynamically tuned to a different frequency IL105368A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/874,656 US5243287A (en) 1992-04-27 1992-04-27 Dynamically detuned NMR field coil

Publications (2)

Publication Number Publication Date
IL105368A0 IL105368A0 (en) 1993-08-18
IL105368A true IL105368A (en) 1995-03-15

Family

ID=25364268

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10536893A IL105368A (en) 1992-04-27 1993-04-14 Magnetic-nuclear resonant field coil that is dynamically tuned to a different frequency

Country Status (5)

Country Link
US (1) US5243287A (de)
EP (1) EP0568225B1 (de)
JP (1) JPH0647017A (de)
DE (1) DE69313914T2 (de)
IL (1) IL105368A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5773985A (en) * 1996-06-05 1998-06-30 Wiltron Company One port complex transmission and group delay measurements
DE10050725C2 (de) * 2000-10-13 2002-10-17 Siemens Ag Induktiv gekoppelte Empfangsspulenanordnung für die Kernspintomographie
DE10051155C2 (de) 2000-10-16 2002-09-19 Siemens Ag Inhärent entkoppelte MR-Empfangsspulenanordnung
US6791328B1 (en) * 2003-06-06 2004-09-14 General Electric Company Method and apparatus for very high field magnetic resonance imaging systems
DE10356274B4 (de) * 2003-11-28 2007-06-14 Siemens Ag Verstimmschaltungseinheit
JP4639763B2 (ja) * 2004-11-12 2011-02-23 三菱電機株式会社 磁気共鳴イメージング装置
DE102005002094A1 (de) * 2005-01-14 2006-07-27 Schleifring Und Apparatebau Gmbh HF - Spulen für Kernspintomographen
DE102005030745B4 (de) * 2005-06-29 2008-05-29 Schleifring Und Apparatebau Gmbh HF-Spulen für Kernspintomographen
JP4664797B2 (ja) * 2005-10-13 2011-04-06 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
CN101819263A (zh) * 2010-03-23 2010-09-01 苏州工业园区朗润科技有限公司 用于核磁共振系统中射频发射线圈的失谐电路和方法
US9423476B2 (en) * 2011-04-13 2016-08-23 New York University Apparatus, systems and methods for facilitating signal excitation and/or reception in a magnetic resonance system
DE102011086561B4 (de) * 2011-11-17 2013-06-13 Siemens Aktiengesellschaft MRT-System, Empfangsvorrichtung für ein MRT-System sowie Verfahren zum Gewinnen eines MR-Signals in einem MRT-System
WO2013165470A1 (en) * 2012-04-30 2013-11-07 Cincinnati Children's Hospital Medical Center Acoustic noise reducing rf coil for magnetic resonance imaging
CN103926545B (zh) * 2013-01-10 2017-09-19 西门子(深圳)磁共振有限公司 一种发射天线选择器和磁共振成像系统
DE102013214285A1 (de) * 2013-07-22 2015-01-22 Siemens Aktiengesellschaft Verwendung mehrerer TX-Spulen
KR101909070B1 (ko) * 2016-09-29 2018-12-10 삼성전자주식회사 Rf 수신 코일 및 이를 포함하는 국부 코일 장치
EP3555649A1 (de) * 2016-12-15 2019-10-23 Koninklijke Philips N.V. Mit ladungsteilchen-beschleunigersystem kompatible magnetresonanzantenne

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4680548A (en) * 1984-10-09 1987-07-14 General Electric Company Radio frequency field coil for NMR
US5144240A (en) * 1985-08-14 1992-09-01 Picker International, Inc. Nmr spectroscopy and imaging coil
NL8603252A (nl) * 1986-12-22 1988-07-18 Philips Nv Magnetisch resonantie-apparaat met verstemde rf-spoel.
NL8603251A (nl) * 1986-12-22 1988-07-18 Philips Nv Magnetisch resonantie-apparaat met inschakelbare bird-cage r.f.-spoel.
JPS6443241A (en) * 1987-08-10 1989-02-15 Toshiba Corp Probe coil apparatus for magnetic resonance imaging apparatus
US4782298A (en) * 1987-09-01 1988-11-01 The Regents Of The University Of California MRI QD RF coil having diode switched detuning circuit producing reduced artifact
US4833409A (en) * 1987-12-21 1989-05-23 General Electric Company Apparatus for dynamically disabling an NMR field coil
DE9012639U1 (de) * 1989-09-18 1990-10-31 Siemens AG, 8000 München Fehlersichere Entkopplung von Sende- und Empfangsantennen bei Kernspinresonanzgeräten
US5075624A (en) * 1990-05-29 1991-12-24 North American Philips Corporation Radio frequency quadrature coil construction for magnetic resonance imaging (mri) apparatus

Also Published As

Publication number Publication date
IL105368A0 (en) 1993-08-18
EP0568225B1 (de) 1997-09-17
EP0568225A1 (de) 1993-11-03
DE69313914D1 (de) 1997-10-23
JPH0647017A (ja) 1994-02-22
DE69313914T2 (de) 1998-04-02
US5243287A (en) 1993-09-07

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