JP4669182B2 - Ｍｒｉ勾配コイルの音波ライナー - Google Patents

Ｍｒｉ勾配コイルの音波ライナー Download PDF

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Publication number
JP4669182B2
JP4669182B2 JP2001528717A JP2001528717A JP4669182B2 JP 4669182 B2 JP4669182 B2 JP 4669182B2 JP 2001528717 A JP2001528717 A JP 2001528717A JP 2001528717 A JP2001528717 A JP 2001528717A JP 4669182 B2 JP4669182 B2 JP 4669182B2
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Japan
Prior art keywords
sonic
flexible sheet
gradient coil
liner
conductor
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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 - Lifetime
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JP2001528717A
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Japanese (ja)
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JP2003511121A (ja
JP2003511121A5 (https=
Inventor
フィーナン，ピーター，ジョン
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ジェムソー リミテッド
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Publication of JP2003511121A5 publication Critical patent/JP2003511121A5/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
    • G01R33/38—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

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  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2001528717A 1999-10-07 2000-10-09 Ｍｒｉ勾配コイルの音波ライナー Expired - Lifetime JP4669182B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9923648.1 1999-10-07
GBGB9923648.1A GB9923648D0 (en) 1999-10-07 1999-10-07 Acoustic liner
PCT/GB2000/003890 WO2001025808A1 (en) 1999-10-07 2000-10-09 Acoustic liner for mri gradient coils

Publications (3)

Publication Number Publication Date
JP2003511121A JP2003511121A (ja) 2003-03-25
JP2003511121A5 JP2003511121A5 (https=) 2009-12-17
JP4669182B2 true JP4669182B2 (ja) 2011-04-13

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ID=10862237

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JP2001528717A Expired - Lifetime JP4669182B2 (ja) 1999-10-07 2000-10-09 Ｍｒｉ勾配コイルの音波ライナー

Country Status (5)

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US (1) US6492816B1 (https=)
EP (1) EP1149301A1 (https=)
JP (1) JP4669182B2 (https=)
GB (1) GB9923648D0 (https=)
WO (1) WO2001025808A1 (https=)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1348135B1 (en) * 2000-12-22 2006-05-03 Koninklijke Philips Electronics N.V. Medical examination apparatus provided with at least one magnet and noise-absorbing material
DE10217384C1 (de) * 2002-04-18 2003-12-24 Siemens Ag Gradientenspulensystem
US7068033B2 (en) * 2003-08-18 2006-06-27 Ge Medical Systems Global Technology Company, Llc Acoustically damped gradient coil
US8354837B2 (en) * 2003-09-24 2013-01-15 Ge Medical Systems Global Technology Company Llc System and method for electromagnetic tracking operable with multiple coil architectures
JP4497973B2 (ja) * 2004-03-24 2010-07-07 株式会社東芝 磁気共鳴イメージング装置
US7719272B2 (en) * 2007-05-18 2010-05-18 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus
US20120025829A1 (en) * 2010-07-27 2012-02-02 General Electric Company Acoustically damped gradient coil
FR2972790A1 (fr) 2011-03-14 2012-09-21 Commissariat Energie Atomique Module recepteur pour centrale solaire a surveillance thermique integree
US8766635B2 (en) * 2011-06-30 2014-07-01 General Electric Company System and apparatus for balancing radial forces in a gradient coil
FR2981737A1 (fr) 2011-10-24 2013-04-26 Commissariat Energie Atomique Systeme de mesure de flux solaire pour recepteur de centrale solaire
US10527694B2 (en) * 2015-11-12 2020-01-07 General Electric Company Magnetic resonance imaging system and an associated method thereof
JP2017176313A (ja) * 2016-03-29 2017-10-05 株式会社日立製作所 核磁気共鳴イメージング装置用音響発生器およびこれを備えた核磁気共鳴イメージング装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01208817A (ja) * 1988-02-17 1989-08-22 Fuji Electric Co Ltd 核磁気共鳴形診断装置のマグネット装置
US4979519A (en) * 1988-05-05 1990-12-25 Board Of Regents, University Of Texas System Head positioning system for accurate cranial alignment and dimension in magnetic resonance
JPH0252638A (ja) * 1988-08-16 1990-02-22 Toshiba Corp 磁気共鳴イメージング装置
DE3833592A1 (de) * 1988-10-03 1990-04-05 Philips Patentverwaltung Vorrichtung zur geraeuschdaempfung und hochfrequenz-abschirmung des patienten-aufnahmeraumes im feld des magneten eines mr-tomographiegeraetes
JPH03173530A (ja) * 1989-12-04 1991-07-26 Hitachi Ltd 磁気共鳴イメージング装置の傾斜磁場コイル
US5554929A (en) * 1993-03-12 1996-09-10 Doty Scientific, Inc. Crescent gradient coils
GB9311321D0 (en) * 1993-06-02 1993-07-21 British Tech Group Apparatus for and methods of acoustic and magnetic screening
DE4432747C2 (de) * 1993-09-17 1997-03-27 Hitachi Medical Corp Vorrichtung und Verfahren zur Geräuschdämpfung in einem Kernspintomographen
US5698977A (en) * 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
JPH08154918A (ja) * 1994-12-06 1996-06-18 Hitachi Medical Corp 磁気共鳴イメ−ジング装置
DE19511834A1 (de) * 1995-03-30 1996-10-02 Siemens Ag Diagnostisches Magnetresonanzgerät
GB9506829D0 (en) * 1995-04-01 1995-05-24 Mansfield Peter Active acoustic screening for quiet gradient coils in mri
US6081117A (en) * 1997-08-11 2000-06-27 Panacea Medical Laboratories Noise modulation for open access and remotely positioned MRI
GB9920185D0 (en) * 1999-08-27 1999-10-27 Mansfield Peter Active acoustic control for gradient coil structures in MRI

Also Published As

Publication number Publication date
GB9923648D0 (en) 1999-12-08
US6492816B1 (en) 2002-12-10
JP2003511121A (ja) 2003-03-25
EP1149301A1 (en) 2001-10-31
WO2001025808A1 (en) 2001-04-12

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