ATE355535T1 - Apparat zur bildgebung mit magnetischer resonanz, ausgestattet mit mitteln zur abschirmung von rf feldern - Google Patents

Apparat zur bildgebung mit magnetischer resonanz, ausgestattet mit mitteln zur abschirmung von rf feldern

Info

Publication number
ATE355535T1
ATE355535T1 AT01908009T AT01908009T ATE355535T1 AT E355535 T1 ATE355535 T1 AT E355535T1 AT 01908009 T AT01908009 T AT 01908009T AT 01908009 T AT01908009 T AT 01908009T AT E355535 T1 ATE355535 T1 AT E355535T1
Authority
AT
Austria
Prior art keywords
magnetic resonance
imaging apparatus
coils
screens
array
Prior art date
Application number
AT01908009T
Other languages
English (en)
Inventor
Ian Robert Young
Michael Charles Keog Wiltshire
Original Assignee
Marconi Optical Components Ltd
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 Marconi Optical Components Ltd filed Critical Marconi Optical Components Ltd
Application granted granted Critical
Publication of ATE355535T1 publication Critical patent/ATE355535T1/de

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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency 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
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT01908009T 2000-03-06 2001-03-06 Apparat zur bildgebung mit magnetischer resonanz, ausgestattet mit mitteln zur abschirmung von rf feldern ATE355535T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0005354A GB2360094A (en) 2000-03-06 2000-03-06 RF screens for MRI

Publications (1)

Publication Number Publication Date
ATE355535T1 true ATE355535T1 (de) 2006-03-15

Family

ID=9887049

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01908009T ATE355535T1 (de) 2000-03-06 2001-03-06 Apparat zur bildgebung mit magnetischer resonanz, ausgestattet mit mitteln zur abschirmung von rf feldern

Country Status (8)

Country Link
US (1) US6819106B2 (de)
EP (1) EP1269211B1 (de)
JP (1) JP2003526421A (de)
AT (1) ATE355535T1 (de)
AU (1) AU2001235870A1 (de)
DE (1) DE60126921T2 (de)
GB (1) GB2360094A (de)
WO (1) WO2001067126A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2360132B (en) 2000-03-06 2002-04-24 Marconi Caswell Ltd Structure with switchable magnetic properties
GB2360137A (en) * 2000-03-06 2001-09-12 Marconi Caswell Ltd Guides for RF magnetic flux
GB2360093A (en) 2000-03-06 2001-09-12 Marconi Caswell Ltd NMR system with magnetic flux guide
GB2360138A (en) 2000-03-06 2001-09-12 Marconi Caswell Ltd Screens for RF magnetic flux
DE102004006322B4 (de) * 2004-02-10 2013-09-12 RAPID Biomedizinische Geräte RAPID Biomedical GmbH Abbildungsvorrichtung zur Nutzung der kernmagnetischen Resonanz
CN101405612B (zh) * 2006-03-22 2011-11-23 皇家飞利浦电子股份有限公司 用于平行高场MRI的屏蔽Multix线圈阵列
DE102007017533A1 (de) * 2007-04-13 2008-10-23 Siemens Ag Anordnung zur Abschirmung
EP2745132B1 (de) 2011-10-18 2020-12-09 Koninklijke Philips N.V. Mrt-spulenanordnung mit einer zwischen einem sperrstatus und einem transparenten status umschaltbaren hochfrequenzabschirmung
US20150355297A1 (en) * 2013-01-11 2015-12-10 Ravi Menon System and method for decoupling magentic resonance imaging radio frequency coils with a modular magnetic wall
GB2534337B (en) * 2014-09-29 2017-10-18 Iphase Ltd Method and apparatus for monitoring of the multiphase flow in a pipe
FR3046701B1 (fr) * 2016-01-08 2018-03-23 Commissariat A L'energie Atomique Et Aux Energies Alternatives Antenne reseau, en particulier pour imagerie par resonance magnetique nucleaire, comprenant des resonateurs electromagnetiques lineaires et au moins un dispositif de decouplage
CN114720926B (zh) * 2021-03-31 2025-01-21 无锡鸣石峻致医疗科技有限公司 一种器官无创定量核磁共振检测系统

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
JPS60190846A (ja) * 1984-03-10 1985-09-28 Jeol Ltd 核磁気共鳴装置
US5223849A (en) * 1986-11-25 1993-06-29 Chomerics, Inc. Broadband electromagnetic energy absorber
US5053711A (en) * 1990-01-19 1991-10-01 General Electric Company Nmr radio frequency coil with improved axial field homogeneity
US5386191A (en) * 1993-03-01 1995-01-31 The Regents Of The University Of California RF coil providing reduced obstruction access to image volume in transverse magnet MRI system
US5363845A (en) 1993-08-13 1994-11-15 Medical Advances, Inc. Breast coil for magnetic resonance imaging
US5804969A (en) * 1995-07-28 1998-09-08 Advanced Mammography Systems, Inc. MRI RF coil
US5760584A (en) * 1996-08-16 1998-06-02 General Electric Company Shield for MR system RF coil provided with multiple capacitive channels for RF current flow
WO1998015161A1 (en) * 1996-10-04 1998-04-09 Matsushita Electric Industrial Co., Ltd. Electromagnetic field shielding device
US5910728A (en) 1996-11-12 1999-06-08 Beth Israel Deaconess Medical Center Simultaneous acquisition of spatial harmonics (SMASH): ultra-fast imaging with radiofrequency coil arrays
DE19702256A1 (de) * 1997-01-23 1998-07-30 Philips Patentverwaltung MR-Gerät mit einer MR-Spulenanordnung
US6169401B1 (en) * 1998-11-25 2001-01-02 Picker International, Inc. Flexible open quadrature highpass ladder structure RF surface coil in magnetic resonance imaging
EP1014102A3 (de) * 1998-12-24 2001-10-04 Marconi Electronic Systems Limited Mehrfachscheibenmagnetresonanzbildgebung mit einem Empfangsspulenarray
GB9900034D0 (en) 1999-01-04 1999-02-24 Marconi Electronic Syst Ltd Structure with magnetic properties
US6606513B2 (en) * 2000-02-01 2003-08-12 Surgi-Vision, Inc. Magnetic resonance imaging transseptal needle antenna
US6441615B1 (en) * 1999-12-28 2002-08-27 Koninklijke Philips Electronics, Nv Crossed-ladder RF coils for vertical field MRI systems
GB2360132B (en) 2000-03-06 2002-04-24 Marconi Caswell Ltd Structure with switchable magnetic properties
GB2360137A (en) 2000-03-06 2001-09-12 Marconi Caswell Ltd Guides for RF magnetic flux

Also Published As

Publication number Publication date
GB2360094A (en) 2001-09-12
DE60126921T2 (de) 2007-09-20
US6819106B2 (en) 2004-11-16
US20030155918A1 (en) 2003-08-21
DE60126921D1 (de) 2007-04-12
EP1269211B1 (de) 2007-02-28
AU2001235870A1 (en) 2001-09-17
GB0005354D0 (en) 2000-04-26
EP1269211A1 (de) 2003-01-02
WO2001067126A1 (en) 2001-09-13
JP2003526421A (ja) 2003-09-09

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