DE69330822T2 - Lokale transversale gradientenspule für die bildgebende magnetische resonanz - Google Patents

Lokale transversale gradientenspule für die bildgebende magnetische resonanz

Info

Publication number
DE69330822T2
DE69330822T2 DE69330822T DE69330822T DE69330822T2 DE 69330822 T2 DE69330822 T2 DE 69330822T2 DE 69330822 T DE69330822 T DE 69330822T DE 69330822 T DE69330822 T DE 69330822T DE 69330822 T2 DE69330822 T2 DE 69330822T2
Authority
DE
Germany
Prior art keywords
magnetic resonance
gradient coil
imaging magnetic
transversal gradient
local
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
DE69330822T
Other languages
English (en)
Other versions
DE69330822D1 (de
Inventor
Joseph Schaefer
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69330822D1 publication Critical patent/DE69330822D1/de
Publication of DE69330822T2 publication Critical patent/DE69330822T2/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
    • G01R33/34—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
    • 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
    • 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)
DE69330822T 1992-11-09 1993-11-03 Lokale transversale gradientenspule für die bildgebende magnetische resonanz Expired - Fee Related DE69330822T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/973,444 US5293126A (en) 1992-11-09 1992-11-09 Local transverse gradient coil
PCT/US1993/010567 WO1994011749A1 (en) 1992-11-09 1993-11-03 Local transverse gradient coil

Publications (2)

Publication Number Publication Date
DE69330822D1 DE69330822D1 (de) 2001-10-31
DE69330822T2 true DE69330822T2 (de) 2002-05-02

Family

ID=25520900

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69330822T Expired - Fee Related DE69330822T2 (de) 1992-11-09 1993-11-03 Lokale transversale gradientenspule für die bildgebende magnetische resonanz

Country Status (5)

Country Link
US (1) US5293126A (de)
EP (1) EP0620922B1 (de)
JP (1) JPH07502925A (de)
DE (1) DE69330822T2 (de)
WO (1) WO1994011749A1 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2637336B2 (ja) * 1992-06-30 1997-08-06 株式会社島津製作所 磁気共鳴断層撮影装置
US5372137A (en) * 1993-01-19 1994-12-13 The Mcw Research Foundation, Inc. NMR local coil for brain imaging
US5623208A (en) * 1993-04-14 1997-04-22 Jeol Ltd. Z-axis magnetic field gradient coil structure for magnetic resonance system
US5485087A (en) * 1994-08-05 1996-01-16 Picker International, Inc. Magnetic resonance insert gradient coils with parabolic returns for improved access
DE4425997C1 (de) * 1994-07-22 1996-01-25 Bruker Analytische Messtechnik Teilbares, bewegliches Gradientensystem für NMR-Tomographen
GB2295020B (en) * 1994-11-03 1999-05-19 Elscint Ltd Modular whole - body gradient coil
DE19503833C2 (de) * 1995-02-06 1998-05-14 Siemens Ag Kernspintomographiegerät mit einer Kombination aus Hochfrequenzantenne und Gradientenspule
US5619996A (en) * 1995-03-15 1997-04-15 Medical Advances, Inc. NMR local coil providing improved lower brain imaging
US5783943A (en) * 1996-11-27 1998-07-21 Mastandrea, Jr.; Nicholas J. Method and apparatus for positioning an insert gradient coil within an examination region of a magnetic resonance imaging apparatus
DE10160073A1 (de) * 2001-12-07 2003-06-26 Siemens Ag Lokale Hochfrequenzantenne für ein Magnetresonanzgerät
DE10229490B3 (de) * 2002-07-01 2004-02-05 Siemens Ag Magnetresonanzgerät mit einer verfahrbaren Gradientenspuleneinheit
US20080125641A1 (en) * 2006-08-08 2008-05-29 Intermagnetics General Corporation Seat, a chair including a seat, and a method of using a magnetic resonance imaging system including a seat
US20080039714A1 (en) * 2006-08-08 2008-02-14 Intermagnetics General Corporation Magnetic resonance imaging system, a gradient coil, and a method of using the system
KR101841236B1 (ko) 2009-04-03 2018-03-22 어플라이드 머티어리얼스, 인코포레이티드 고압 ｒｆ-ｄｃ 스퍼터링과 이 프로세스의 단차 도포성 및 막 균일성을 개선하기 위한 방법
RU2636816C2 (ru) * 2012-11-12 2017-11-28 Конинклейке Филипс Н.В. Реологический блок для мрт с встроенным генератором колебаний и рч антенной
KR101771220B1 (ko) 2016-05-02 2017-08-24 가천대학교 산학협력단 자기공명영상 시스템

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692705A (en) * 1983-12-23 1987-09-08 General Electric Company Radio frequency field coil for NMR
FR2571496B1 (fr) * 1984-10-05 1986-12-19 Commissariat Energie Atomique Systeme de bobines de production de champs additionnels pour l'obtention, dans un aimant comportant des pieces polaires de polarisation pour imagerie par resonance magnetique nucleaire, de champs de polarisation a gradients constants
US4621236A (en) * 1985-02-11 1986-11-04 Field Effects, Inc. Cylindrical electromagnet for an NMR imaging system
NL8701949A (nl) * 1987-08-19 1989-03-16 Philips Nv Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen.
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
AU4374993A (en) * 1992-07-10 1994-01-31 Doty Scientific, Inc. Solenoidal, octopolar, transverse gradient coils

Also Published As

Publication number Publication date
EP0620922B1 (de) 2001-09-26
US5293126A (en) 1994-03-08
DE69330822D1 (de) 2001-10-31
WO1994011749A1 (en) 1994-05-26
EP0620922A1 (de) 1994-10-26
JPH07502925A (ja) 1995-03-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee