JP4663076B2 - 低ノイズｒｆコイルを有するｍｒイメージングシステム - Google Patents

低ノイズｒｆコイルを有するｍｒイメージングシステム Download PDF

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Publication number
JP4663076B2
JP4663076B2 JP2000247158A JP2000247158A JP4663076B2 JP 4663076 B2 JP4663076 B2 JP 4663076B2 JP 2000247158 A JP2000247158 A JP 2000247158A JP 2000247158 A JP2000247158 A JP 2000247158A JP 4663076 B2 JP4663076 B2 JP 4663076B2
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JP
Japan
Prior art keywords
coil
coil assembly
tubular element
lumen
gradient
Prior art date
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Expired - Fee Related
Application number
JP2000247158A
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English (en)
Japanese (ja)
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JP2001178703A5 (enExample
JP2001178703A (ja
Inventor
デェワイン・アンソニー・パーギル
マイケル・ジェイ・ラジアン
デビッド・イー・ディーン
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General Electric Co
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General Electric Co
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Publication date
Application filed by General Electric Co filed Critical General Electric Co
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Publication of JP2001178703A5 publication Critical patent/JP2001178703A5/ja
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Publication of JP4663076B2 publication Critical patent/JP4663076B2/ja
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    • 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
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2000247158A 1999-08-18 2000-08-17 低ノイズｒｆコイルを有するｍｒイメージングシステム Expired - Fee Related JP4663076B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/376543 1999-08-18
US09/376,543 US6252404B1 (en) 1999-08-18 1999-08-18 Reduced noise RF coil apparatus for MR imaging system

Publications (3)

Publication Number Publication Date
JP2001178703A JP2001178703A (ja) 2001-07-03
JP2001178703A5 JP2001178703A5 (enExample) 2007-09-27
JP4663076B2 true JP4663076B2 (ja) 2011-03-30

Family

ID=23485436

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000247158A Expired - Fee Related JP4663076B2 (ja) 1999-08-18 2000-08-17 低ノイズｒｆコイルを有するｍｒイメージングシステム

Country Status (4)

Country Link
US (1) US6252404B1 (enExample)
EP (1) EP1077382B1 (enExample)
JP (1) JP4663076B2 (enExample)
DE (1) DE60032976T2 (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19940551C1 (de) * 1999-08-26 2001-05-23 Siemens Ag Magnetresonanztomographiegerät mit schwingungsentkoppelter äußerer Hülle
US6414489B1 (en) * 1999-12-18 2002-07-02 General Electric Company Apparatus for reducing acoustic noise in an MR imaging system
DE10049414C2 (de) 2000-10-05 2002-09-26 Siemens Ag Magnetresonanzgerät mit einer Schallisolierung
DE10134540C1 (de) 2001-07-16 2003-03-06 Siemens Ag Magnetresonanzgerät mit einem Erzeuger mechanischer Schwingungen
AU2003233920A1 (en) * 2002-04-11 2003-10-27 Siemens Aktiengesellschaft Encapsulation of a magnetic resonance tomography device for attenuation of low sound frequencies
US7068033B2 (en) * 2003-08-18 2006-06-27 Ge Medical Systems Global Technology Company, Llc Acoustically damped gradient coil
GB2419417B (en) * 2004-10-20 2007-05-16 Gen Electric Gradient bore cooling and RF shield
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
US7671593B2 (en) * 2006-06-15 2010-03-02 General Electric Company RF body coil with acoustic isolation of conductors
JP5416930B2 (ja) * 2007-08-09 2014-02-12 株式会社東芝 磁気共鳴イメージング装置
EP2191287A1 (en) * 2007-09-07 2010-06-02 Koninklijke Philips Electronics N.V. Magnetic resonance examination system with reduced acoustic noise
US7936170B2 (en) 2008-08-08 2011-05-03 General Electric Co. RF coil and apparatus to reduce acoustic noise in an MRI system
GB2465991A (en) * 2008-12-04 2010-06-09 Siemens Magnet Technology Ltd Gradient Coil Suspension for MRI Magnet
US8710842B2 (en) * 2011-03-07 2014-04-29 General Electric Company Apparatus and method to reduce noise in magnetic resonance imaging systems
JP2014518709A (ja) * 2011-05-10 2014-08-07 タイム メディカル ホールディングス カンパニー リミテッド 極低温冷却型全身用ｒｆコイルアレイ及びそれを有するｍｒｉシステム
DE102011082410B4 (de) 2011-09-09 2015-02-12 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
GB2497342B (en) * 2011-12-08 2014-06-18 Siemens Plc Vibration isolation for superconducting magnets
DE102013202163A1 (de) * 2013-02-11 2014-08-14 Siemens Aktiengesellschaft Magnetresonanzvorrichtung
DE102013206557B4 (de) 2013-04-12 2017-03-23 Siemens Healthcare Gmbh Magnetresonanzscanner mit Antennensystem
DE102013212461B3 (de) * 2013-06-27 2014-05-22 Siemens Aktiengesellschaft Montagevorrichtung für eine Körperspule eines Magnetresonanzgeräts
DE102015202165B3 (de) * 2015-02-06 2016-05-04 Siemens Aktiengesellschaft Gradientenspulenanordnung, Magnetresonanzeinrichtung und Verfahren zur Bedämpfung einer Gradientenspulenanordnung
JP6660742B2 (ja) * 2016-01-22 2020-03-11 株式会社日立製作所 磁気共鳴イメージング装置
EP3500868A1 (en) 2016-08-18 2019-06-26 Koninklijke Philips N.V. Tunable rf coil for magnetic resonance imaging

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310160A1 (de) * 1983-03-21 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Geraet zur erzeugung von bildern und ortsaufgeloesten spektren eines untersuchungsobjektes mit magnetischer kernresonanz
NL8303534A (nl) * 1983-10-14 1985-05-01 Philips Nv Kernspinresonantie apparaat.
JPH042643Y2 (enExample) * 1985-03-13 1992-01-29
JPH04332530A (ja) * 1991-05-09 1992-11-19 Toshiba Corp Ｍｒｉ用傾斜磁場発生装置
US5457387A (en) * 1993-07-06 1995-10-10 Picker International, Inc. Magnetic resonance imager with removable element RF coil
US5592087A (en) * 1995-01-27 1997-01-07 Picker International, Inc. Low eddy current radio frequency shield for magnetic resonance imaging
EP1046053A1 (en) * 1998-10-28 2000-10-25 Koninklijke Philips Electronics N.V. Mri apparatus with a mechanically integrated eddy current shield in the gradient system

Also Published As

Publication number Publication date
EP1077382A3 (en) 2003-04-02
EP1077382B1 (en) 2007-01-17
DE60032976D1 (de) 2007-03-08
EP1077382A2 (en) 2001-02-21
JP2001178703A (ja) 2001-07-03
US6252404B1 (en) 2001-06-26
DE60032976T2 (de) 2007-11-08

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