JPH0284935A - 磁気共鳴イメージング装置 - Google Patents

磁気共鳴イメージング装置

Info

Publication number
JPH0284935A
JPH0284935A JP1128726A JP12872689A JPH0284935A JP H0284935 A JPH0284935 A JP H0284935A JP 1128726 A JP1128726 A JP 1128726A JP 12872689 A JP12872689 A JP 12872689A JP H0284935 A JPH0284935 A JP H0284935A
Authority
JP
Japan
Prior art keywords
magnetic field
resonance imaging
imaging apparatus
magnetic resonance
resin
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.)
Granted
Application number
JP1128726A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0568973B2 (enExample
Inventor
Haruhiko Hirata
東彦 平田
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of JPH0284935A publication Critical patent/JPH0284935A/ja
Publication of JPH0568973B2 publication Critical patent/JPH0568973B2/ja
Granted 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
    • G01R33/38—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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP1128726A 1988-06-14 1989-05-24 磁気共鳴イメージング装置 Granted JPH0284935A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-144887 1988-06-14
JP14488788 1988-06-14

Publications (2)

Publication Number Publication Date
JPH0284935A true JPH0284935A (ja) 1990-03-26
JPH0568973B2 JPH0568973B2 (enExample) 1993-09-30

Family

ID=15372672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1128726A Granted JPH0284935A (ja) 1988-06-14 1989-05-24 磁気共鳴イメージング装置

Country Status (4)

Country Link
US (1) US4954781A (enExample)
EP (1) EP0350640B1 (enExample)
JP (1) JPH0284935A (enExample)
DE (1) DE68927749T2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005058773A (ja) * 2003-08-18 2005-03-10 Ge Medical Systems Global Technology Co Llc 音響減衰させた傾斜コイル

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084676A (en) * 1988-12-23 1992-01-28 Hitachi, Ltd. Nuclear magnetic resonance apparatus
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
US5481191A (en) * 1990-06-29 1996-01-02 Advanced Nmr Systems, Inc. Shielded gradient coil for nuclear magnetic resonance imaging
DE4141514C2 (de) * 1991-02-07 1997-04-10 Siemens Ag Gradientenspulensystem für ein Kernspin-Tomographiegerät
JP2982392B2 (ja) * 1991-07-10 1999-11-22 株式会社日立製作所 磁気共鳴イメージング装置
AU4374993A (en) * 1992-07-10 1994-01-31 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
DE69316837T2 (de) * 1992-11-10 1998-07-30 Koninkl Philips Electronics Nv Apparat mittels magnetischer Resonanz mit Lärmunterdrückung
US5554929A (en) * 1993-03-12 1996-09-10 Doty Scientific, Inc. Crescent gradient coils
US5530355A (en) * 1993-05-13 1996-06-25 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils
EP0713378A4 (en) * 1993-08-12 1997-12-17 Noise Cancellation Tech ACTIVE FOAM FOR NOISE AND VIBRATION DAMPING
DE19511834A1 (de) * 1995-03-30 1996-10-02 Siemens Ag Diagnostisches Magnetresonanzgerät
DE19531216C2 (de) * 1995-08-24 1998-01-29 Siemens Ag Magnetresonanzgerät mit wenigstens einer an einer Halterung befestigten Gradientenspule
JP3222758B2 (ja) * 1996-04-05 2001-10-29 ジーイー横河メディカルシステム株式会社 ボディコイルおよびｍｒｉ装置
DE19733742C1 (de) * 1997-08-04 1999-02-04 Siemens Ag Verfahren zur Lärmminderung beim Betrieb einer Gradientenspule
DE19856802A1 (de) * 1998-12-09 2000-08-17 Siemens Ag Gradientenspule
US6452391B1 (en) 1999-06-11 2002-09-17 General Electric Company Quiet mode magnetic resonance imaging system and method
US6414489B1 (en) * 1999-12-18 2002-07-02 General Electric Company Apparatus for reducing acoustic noise in an MR imaging system
US6456074B1 (en) 2000-01-28 2002-09-24 Intermagnetics General Corporation Quiet gradient coil
DE10020264C1 (de) * 2000-04-25 2001-10-11 Siemens Ag Elektrische Spule
DE10032836C1 (de) * 2000-07-06 2002-01-17 Siemens Ag Magnetresonanzgerät mit einem Gradientenspulensystem
US6437568B1 (en) * 2000-10-02 2002-08-20 General Electric Company Low noise MRI scanner
DE10101072C1 (de) 2001-01-11 2002-07-25 Siemens Ag Magnetresonanzgerät mit einer Schallschutzstruktur
DE10134540C1 (de) 2001-07-16 2003-03-06 Siemens Ag Magnetresonanzgerät mit einem Erzeuger mechanischer Schwingungen
DE10134539A1 (de) * 2001-07-16 2003-02-13 Siemens Ag Abschirmkabine
DE10229491C2 (de) * 2001-07-23 2003-05-22 Siemens Ag Kernspin-Tomographiegerät mit dämpfenden Schichtblechen zur Schwingungsreduktion
DE10143048C1 (de) * 2001-09-03 2003-04-17 Siemens Ag Magnet-Resonanz-Tomographiegerät mit Lärmunterdrückung durch Dämpfung von mechanischen Schwingungen
DE10147745C2 (de) * 2001-09-27 2003-07-24 Siemens Ag Kernspin-Tomographiegerät mit Lärmunterdrückung durch Dämpfung von mechanischen Schwingungen
GB2384314B (en) * 2002-01-21 2005-09-14 Oxford Magnet Tech A mounting scheme for NMR gradient magnet coils
DE10391596B4 (de) * 2002-04-11 2014-09-11 Siemens Aktiengesellschaft Kapselung eines Magnet-Resonanz-Tomographiegeräts zur Dämpfung niedriger Schallfrequenzen
DE10253701B4 (de) * 2002-11-18 2005-12-08 Siemens Ag Vergossene HF-Bauteile, vergossene Gradientenspule für Magnetic Resonance Imaging Scanner, mit Aktoren zur aktiven Lärmbekämpfung sowie Verfahren zu deren Herstellung und Vorrichtung zur Ausführung des Verfahrens
EP1629293A1 (en) * 2003-05-22 2006-03-01 Koninklijke Philips Electronics N.V. Magnetic resonance imaging device with sound-absorbing means
EP1692533A1 (en) * 2003-11-25 2006-08-23 Koninklijke Philips Electronics N.V. Actively shielded gradient coil system comprising additional eddy current shield system
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
JP4165589B2 (ja) * 2006-08-09 2008-10-15 ソニー株式会社 検出装置およびその検出方法
FR2944877B1 (fr) * 2009-04-27 2011-07-01 Commissariat Energie Atomique Systeme d'imagerie par rmn a pertes cryogeniques et bruit acoustique reduits.
US20120025829A1 (en) * 2010-07-27 2012-02-02 General Electric Company Acoustically damped gradient coil
DE102012210280B4 (de) * 2012-06-19 2015-08-20 Siemens Aktiengesellschaft Hochfrequenzspulenvorrichtung
CN110956945A (zh) * 2019-12-16 2020-04-03 张伟 一种核磁共振降噪防护装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973190A (en) * 1973-08-13 1976-08-03 Lev Petrovich Ulyanov Infralow frequency transfer function analyzer
SE383042B (sv) * 1974-06-20 1976-02-23 Asea Ab Forfarande vid metning av mekaniska pakenningar i metobjekt av herdat stal med anvendning av magnetiska givare
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
JPS59216045A (ja) * 1983-05-23 1984-12-06 Hitachi Ltd 傾斜磁場コイル
GB8332505D0 (en) * 1983-12-06 1984-01-11 Oxford Magnet Tech Imaging using resonance of nuclei
DE3406052A1 (de) * 1984-02-20 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Gradientenspulen-system fuer eine anlage zur kernspintomographie
JPS61279238A (ja) * 1985-06-06 1986-12-10 三菱電機株式会社 核磁気共鳴画像診断装置用傾斜磁場コイル
DE3677344D1 (de) * 1985-06-04 1991-03-07 Mitsubishi Electric Corp Spule fuer diagnostikgeraet zur bilderzeugung mittels magnetischer kernresonanz.
JPS61278741A (ja) * 1985-06-04 1986-12-09 Mitsubishi Electric Corp 核磁気共鳴画像診断装置用傾斜磁場コイル
US4791370A (en) * 1985-08-23 1988-12-13 Resonex, Inc. Gradient field structure and method for use with magnetic resonance imaging apparatus
DE3544809A1 (de) * 1985-10-02 1987-04-02 Turck Werner Kg Magnetfeldabhaengiger, elektronischer annaeherungsschalter
US4755944A (en) * 1986-04-14 1988-07-05 Terragraf, Inc. Method for obtaining dielectric constant and conductivity information on subsoil structure using continuous complex geotomography

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005058773A (ja) * 2003-08-18 2005-03-10 Ge Medical Systems Global Technology Co Llc 音響減衰させた傾斜コイル

Also Published As

Publication number Publication date
EP0350640B1 (en) 1997-02-05
DE68927749D1 (de) 1997-03-20
JPH0568973B2 (enExample) 1993-09-30
EP0350640A2 (en) 1990-01-17
US4954781A (en) 1990-09-04
DE68927749T2 (de) 1997-06-12
EP0350640A3 (en) 1991-01-02

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