DE69125209T2 - Radiofrequenz Quadraturspule für Abbildungssysteme mittels magnetischer Resonanz - Google Patents

Radiofrequenz Quadraturspule für Abbildungssysteme mittels magnetischer Resonanz

Info

Publication number
DE69125209T2
DE69125209T2 DE69125209T DE69125209T DE69125209T2 DE 69125209 T2 DE69125209 T2 DE 69125209T2 DE 69125209 T DE69125209 T DE 69125209T DE 69125209 T DE69125209 T DE 69125209T DE 69125209 T2 DE69125209 T2 DE 69125209T2
Authority
DE
Germany
Prior art keywords
radio frequency
magnetic resonance
imaging systems
quadrature coil
frequency quadrature
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 - Fee Related
Application number
DE69125209T
Other languages
English (en)
Other versions
DE69125209D1 (de
Inventor
Greg Bezjak
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 Electronics 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 Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE69125209D1 publication Critical patent/DE69125209D1/de
Publication of DE69125209T2 publication Critical patent/DE69125209T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/3642—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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69125209T 1990-05-29 1991-05-23 Radiofrequenz Quadraturspule für Abbildungssysteme mittels magnetischer Resonanz Expired - Fee Related DE69125209T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/530,127 US5075624A (en) 1990-05-29 1990-05-29 Radio frequency quadrature coil construction for magnetic resonance imaging (mri) apparatus

Publications (2)

Publication Number Publication Date
DE69125209D1 DE69125209D1 (de) 1997-04-24
DE69125209T2 true DE69125209T2 (de) 1997-08-28

Family

ID=24112551

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125209T Expired - Fee Related DE69125209T2 (de) 1990-05-29 1991-05-23 Radiofrequenz Quadraturspule für Abbildungssysteme mittels magnetischer Resonanz

Country Status (4)

Country Link
US (1) US5075624A (de)
EP (1) EP0459569B1 (de)
JP (1) JP3164376B2 (de)
DE (1) DE69125209T2 (de)

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US5196796A (en) * 1991-08-06 1993-03-23 Medrad, Inc. Anatomically conformal quadrature mri surface coil
EP0565178B1 (de) * 1992-04-09 1997-08-06 Koninklijke Philips Electronics N.V. Quadraturspulensystem zum Gebrauch in einem Kernresonanzgerät
US5243287A (en) * 1992-04-27 1993-09-07 General Electric Company Dynamically detuned NMR field coil
US5379767A (en) * 1992-09-02 1995-01-10 The Regents Of The University Of California MRI RF coil using zero-pitch solenoidal winding
US5457387A (en) * 1993-07-06 1995-10-10 Picker International, Inc. Magnetic resonance imager with removable element RF coil
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
DE4333182A1 (de) * 1993-09-29 1995-03-30 Siemens Ag Doppeltresonante Antennenanordnung für ein Magnetresonanzgerät
US5389909A (en) * 1993-11-08 1995-02-14 General Electric Company Open architecture magnetic resonance imaging passively shimmed superconducting magnet assembly
US5381122A (en) * 1994-01-14 1995-01-10 General Electric Company Open MRI magnet having a support structure
US6211677B1 (en) * 1998-05-08 2001-04-03 Picker International, Inc. Lung coil for imaging hyper-polarized gas in an MRI scanner
US6512374B1 (en) * 1999-04-26 2003-01-28 Medrad, Inc. MR local imaging coil operable as a receive only or a transmit/receive coil
US7598739B2 (en) * 1999-05-21 2009-10-06 Regents Of The University Of Minnesota Radio frequency gradient, shim and parallel imaging coil
US6316941B1 (en) * 2000-02-24 2001-11-13 Marconi Medical Systems, Inc. Open view quadrature birdcage coil
DE10016229B4 (de) * 2000-03-31 2005-12-22 Siemens Ag Polarisierende Antenne für ein Magnetresonanzgerät
JP3842520B2 (ja) * 2000-04-26 2006-11-08 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
WO2002010786A2 (en) 2000-07-31 2002-02-07 Regents Of The University Of Minnesota Open tem resonators for mri
WO2004048987A2 (en) 2002-11-27 2004-06-10 Koninklijke Philips Electronics N.V. Degenerate birdcage coil and transmit/receive apparatus and method for same
US6927575B2 (en) * 2003-01-21 2005-08-09 General Electric Company Surface coil decoupling means for MRI systems
CN100516922C (zh) 2003-06-13 2009-07-22 皇家飞利浦电子股份有限公司 用于磁共振成像的顶部拼合射频线圈及磁共振成像设备
US6951139B2 (en) * 2003-12-05 2005-10-04 The Goodyear Tire & Rubber Company Tire sensor and method of assembly
US20050264291A1 (en) * 2004-05-07 2005-12-01 Vaughan J T Multi-current elements for magnetic resonance radio frequency coils
CN100372500C (zh) * 2004-07-02 2008-03-05 西门子（中国）有限公司 磁共振成像系统阵列接收线圈
US20060212176A1 (en) 2005-02-18 2006-09-21 Corum James F Use of electrical power multiplication for power smoothing in power distribution
US20060190511A1 (en) * 2005-02-18 2006-08-24 Corum James F Electrical power multiplication
CN1940587B (zh) * 2005-09-30 2012-06-13 西门子公司 磁共振设备的线圈装置
JP4980693B2 (ja) * 2006-11-10 2012-07-18 株式会社日立メディコ 磁気共鳴イメージング装置およびｒｆ照射コイル
CN102821685B (zh) 2010-02-16 2016-08-03 杜克大学 用于使用全氟气体混合物的肺活体内磁共振成像的系统、方法、组成和设备
DE102010033322A1 (de) * 2010-08-04 2012-02-09 Siemens Aktiengesellschaft Mechanisch flexible MR Spule mit öffnungsfähigen Leiterstrukturen für insbesondere interventionelle MRT
CN103547937B (zh) 2011-05-23 2016-09-21 皇家飞利浦有限公司 作为用于mri rf 线圈的失谐电路的fet 开关
GB201217782D0 (en) * 2012-10-04 2012-11-14 Tesla Engineering Ltd Magnet apparatus
US9983279B2 (en) * 2012-10-25 2018-05-29 Koninklijke Philips N.V. Radio frequency (RF) birdcage coil with separately controlled ring members and rungs for use in a magnetic resonance (MR) imaging system
CN105143905B (zh) * 2013-04-23 2019-05-10 皇家飞利浦有限公司 用于磁共振(mr)线圈的单个同轴接口
WO2020198395A1 (en) * 2019-03-25 2020-10-01 Promaxo, Inc. Single-sided fast mri gradient field coils and applications thereof
CN112763953B (zh) * 2020-12-10 2021-10-26 复旦大学 基于7.0t磁共振成像系统的头/膝关节多用途射频线圈装置
CN114910840B (zh) * 2021-02-10 2024-04-23 清华大学 磁场增强组件及磁场增强器件
CN114910841B (zh) * 2021-02-10 2024-04-19 清华大学 磁场增强组件和磁场增强器件

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US5274332A (en) * 1983-11-14 1993-12-28 General Electric Company Inductively coupled multi-section radio frequency field coil for NMR
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
US4634980A (en) * 1984-08-16 1987-01-06 Picker International, Inc. Nuclear magnetic resonance radio frequency antenna
US4879516A (en) * 1985-08-14 1989-11-07 Picker International, Inc. Precision electrical adjustment of quadrature coil isolation
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.
US4766383A (en) * 1987-02-24 1988-08-23 Kabushiki Kaisha Toshiba Quadrature antenna for magnetic resonance imaging using elliptical coils
US4763074A (en) * 1987-04-01 1988-08-09 Kabushiki Kaisha Toshiba Automatic tuning circuit for magnetic resonance quadrature antenna system
IL82716A (en) * 1987-05-29 1992-08-18 Elscint Ltd Quadrature combiner
US4855680A (en) * 1987-11-02 1989-08-08 The Regents Of The University Of California Enhanced decoupling of MRI RF coil pairs during RF tuning of MRI RF transmit coil
US4833409A (en) * 1987-12-21 1989-05-23 General Electric Company Apparatus for dynamically disabling an NMR field coil
NL8801079A (nl) * 1988-04-26 1989-11-16 Philips Nv Magnetisch resonantie apparaat met een quadratuur rf-spoelenstelsel.
US4885539A (en) * 1988-06-06 1989-12-05 General Electric Company Volume NMR coil for optimum signal-to-noise ratio
DE3820168A1 (de) * 1988-06-14 1989-12-21 Philips Patentverwaltung Kernspinuntersuchungsgeraet mit einer schaltung zum entkoppeln der beiden spulensysteme einer quadraturspulenanordnung
DE3820169A1 (de) * 1988-06-14 1989-12-21 Philips Patentverwaltung Hochfrequenz-quadraturspulenanordnung fuer ein kernresonanzuntersuchungsgeraet
US4882540A (en) * 1988-06-28 1989-11-21 Resonex, Inc. Magnetic resonance imaging (MRI)apparatus with quadrature radio frequency (RF) coils
US5030915A (en) * 1990-02-20 1991-07-09 U.S. Philips Corporation Quadrature surface coil construction for magnetic resonance imaging apparatus

Also Published As

Publication number Publication date
DE69125209D1 (de) 1997-04-24
EP0459569A3 (en) 1992-06-10
EP0459569A2 (de) 1991-12-04
EP0459569B1 (de) 1997-03-19
JPH04231028A (ja) 1992-08-19
JP3164376B2 (ja) 2001-05-08
US5075624A (en) 1991-12-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee