DE69431047T2 - Halbmondförmige gradientenspulen - Google Patents

Halbmondförmige gradientenspulen

Info

Publication number
DE69431047T2
DE69431047T2 DE69431047T DE69431047T DE69431047T2 DE 69431047 T2 DE69431047 T2 DE 69431047T2 DE 69431047 T DE69431047 T DE 69431047T DE 69431047 T DE69431047 T DE 69431047T DE 69431047 T2 DE69431047 T2 DE 69431047T2
Authority
DE
Germany
Prior art keywords
mooned
gradient coils
coils
gradient
mooned gradient
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
DE69431047T
Other languages
English (en)
Other versions
DE69431047D1 (de
Inventor
David Doty
K Wilcher
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.)
Doty Scientific Inc
Original Assignee
Doty Scientific Inc
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 Doty Scientific Inc filed Critical Doty Scientific Inc
Publication of DE69431047D1 publication Critical patent/DE69431047D1/de
Application granted granted Critical
Publication of DE69431047T2 publication Critical patent/DE69431047T2/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
    • G01R33/38—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
    • G01R33/38—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
    • G01R33/3856—Means for cooling the gradient coils or thermal shielding of the gradient coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69431047T 1993-03-12 1994-03-14 Halbmondförmige gradientenspulen Expired - Fee Related DE69431047T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/030,853 US5554929A (en) 1993-03-12 1993-03-12 Crescent gradient coils
PCT/US1994/002705 WO1994020862A1 (en) 1993-03-12 1994-03-14 Crescent gradient coils

Publications (2)

Publication Number Publication Date
DE69431047D1 DE69431047D1 (de) 2002-08-29
DE69431047T2 true DE69431047T2 (de) 2003-10-09

Family

ID=21856368

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69431047T Expired - Fee Related DE69431047T2 (de) 1993-03-12 1994-03-14 Halbmondförmige gradientenspulen

Country Status (6)

Country Link
US (2) US5554929A (de)
EP (1) EP0688436B1 (de)
AU (1) AU6445994A (de)
CA (1) CA2158061C (de)
DE (1) DE69431047T2 (de)
WO (1) WO1994020862A1 (de)

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CN102967835B (zh) 2011-08-31 2017-07-04 通用电气公司 用于磁共振成像设备的螺旋梯度线圈
US9846207B2 (en) 2012-04-30 2017-12-19 Children's Hospital Medical Center Acoustic noise reducing RF coil for magnetic resonance imaging
JP6058319B2 (ja) * 2012-08-28 2017-01-11 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 磁気共鳴撮像装置用のヘリカル傾斜コイル
US10761162B2 (en) 2018-09-18 2020-09-01 General Electric Company Gradient coil cooling systems
US10809328B2 (en) 2018-10-18 2020-10-20 General Electric Company High density magnetic resonant imaging gradient driver with integrated cooling
CN110349742B (zh) * 2019-07-12 2021-04-09 兰州科近泰基新技术有限责任公司 一种多封头细长高频水套的制造方法

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Also Published As

Publication number Publication date
DE69431047D1 (de) 2002-08-29
EP0688436A1 (de) 1995-12-27
US5554929A (en) 1996-09-10
US5886548A (en) 1999-03-23
CA2158061C (en) 2004-10-19
AU6445994A (en) 1994-09-26
CA2158061A1 (en) 1994-09-15
WO1994020862A1 (en) 1994-09-15
EP0688436B1 (de) 2002-07-24

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication of lapse of patent is to be deleted
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee