DE69709453T2 - Supraleitender Jochmagnet für die magnetische Resonanz und Methode zu seiner Erregung - Google Patents

Supraleitender Jochmagnet für die magnetische Resonanz und Methode zu seiner Erregung

Info

Publication number
DE69709453T2
DE69709453T2 DE69709453T DE69709453T DE69709453T2 DE 69709453 T2 DE69709453 T2 DE 69709453T2 DE 69709453 T DE69709453 T DE 69709453T DE 69709453 T DE69709453 T DE 69709453T DE 69709453 T2 DE69709453 T2 DE 69709453T2
Authority
DE
Germany
Prior art keywords
superconducting
excitation
magnetic resonance
yoke magnet
yoke
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
DE69709453T
Other languages
English (en)
Other versions
DE69709453D1 (de
Inventor
Gordon D Demeester
Michael A Morich
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.)
Philips Nuclear Medicine Inc
Original Assignee
Marconi Medical Systems 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 Marconi Medical Systems Inc filed Critical Marconi Medical Systems Inc
Application granted granted Critical
Publication of DE69709453D1 publication Critical patent/DE69709453D1/de
Publication of DE69709453T2 publication Critical patent/DE69709453T2/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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
DE69709453T 1996-07-17 1997-06-30 Supraleitender Jochmagnet für die magnetische Resonanz und Methode zu seiner Erregung Expired - Fee Related DE69709453T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/682,426 US5675305A (en) 1996-07-17 1996-07-17 Multiple driven C magnet

Publications (2)

Publication Number Publication Date
DE69709453D1 DE69709453D1 (de) 2002-02-07
DE69709453T2 true DE69709453T2 (de) 2002-09-26

Family

ID=24739640

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709453T Expired - Fee Related DE69709453T2 (de) 1996-07-17 1997-06-30 Supraleitender Jochmagnet für die magnetische Resonanz und Methode zu seiner Erregung

Country Status (4)

Country Link
US (1) US5675305A (de)
EP (1) EP0819948B1 (de)
JP (1) JPH1057342A (de)
DE (1) DE69709453T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
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US6150911A (en) * 1996-07-24 2000-11-21 Odin Technologies Ltd. Yoked permanent magnet assemblies for use in medical applications
US5935065A (en) * 1997-06-27 1999-08-10 Panacea Medical Laboratories MRI system with peripheral access and inhomogeneous field
US6411187B1 (en) 1997-07-23 2002-06-25 Odin Medical Technologies, Ltd. Adjustable hybrid magnetic apparatus
EP1018036A4 (de) * 1997-09-25 2002-04-10 Odin Technologies Ltd Magnetisches gerät zur bilderzeugung durch magnetische resonanz
US5952830A (en) * 1997-12-22 1999-09-14 Picker International, Inc. Octapole magnetic resonance gradient coil system with elongate azimuthal gap
GB2341449B (en) * 1998-09-11 2003-03-26 Oxford Magnet Tech Stabilisation of a magnetic field of a magnetic reasonance imaging apparatus
US6208144B1 (en) 1999-05-18 2001-03-27 Picker International, Inc. Magnetic resonance operating room magnet
US6462548B1 (en) * 2001-07-09 2002-10-08 Ge Medical Systems Global Technology Company Open architecture magnetic reasonance superconducting platform magnet conical imaging
DE102004003535B3 (de) * 2004-01-23 2005-10-13 Siemens Ag Erzeuger eines zeitvariablen Magnetfelds eines Magnetresonanzgeräts und Magnetresonanzgerät mit einem derartigen Erzeuger eines zeitvariablen Magnetfelds
WO2006088453A1 (en) * 2005-02-15 2006-08-24 Zhao, Lei Method of using a small mri scanner
ITTO20070940A1 (it) * 2007-12-27 2009-06-28 Asg Superconductors S P A Bobina con avvolgimenti superconduttivi raffreddati senza fluidi criogenici
WO2011008969A1 (en) * 2009-07-15 2011-01-20 Viewray Incorporated Method and apparatus for shielding a linear accelerator and a magnetic resonance imaging device from each other
CN103105595A (zh) * 2013-01-28 2013-05-15 江苏美时医疗技术有限公司 一种液氮制冷的磁共振成像系统
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
DE102014003536A1 (de) * 2014-03-13 2015-09-17 Forschungszentrum Jülich GmbH Fachbereich Patente Supraleitender Magnetfeldstabilisator
AU2015411860B2 (en) 2015-10-16 2021-11-25 Synaptive Medical Inc. Magnetic resonance imaging system capable of rapid field ramping
KR20180120705A (ko) 2016-03-02 2018-11-06 뷰레이 테크놀로지스 인크. 자기 공명 영상을 이용한 입자 치료
WO2019112880A1 (en) 2017-12-06 2019-06-13 Viewray Technologies, Inc. Optimization of multimodal radiotherapy

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234874B (de) * 1955-07-22 1967-02-23 Perkin Elmer Corp Vorrichtung zur Erzeugung eines homogenen magnetischen Feldes
US4359706A (en) * 1979-12-18 1982-11-16 Arnold Flack Magnet pole pieces and pole piece extensions and shields
GB8305303D0 (en) * 1983-02-25 1983-03-30 Picker Int Ltd Magnets
GB8501442D0 (en) * 1985-01-21 1985-02-20 M & D Technology Ltd Electromagnet
JPS62117541A (ja) * 1985-11-18 1987-05-29 株式会社東芝 磁気共鳴イメ−ジング装置
DE3628161A1 (de) * 1986-08-20 1988-02-25 Spectrospin Ag Vorrichtung zum kompensieren von zeitvarianten feldstoerungen in magnetfeldern
JP2600195B2 (ja) * 1987-09-24 1997-04-16 株式会社島津製作所 超電導コイルに永久電流を流す方法および超電導磁石装置
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
EP0424808A1 (de) * 1989-10-21 1991-05-02 Kabushiki Kaisha Toshiba Magnetresonanz-Abbildungsgerät
DE4010032C2 (de) * 1990-03-29 1994-03-03 Bruker Analytische Messtechnik Magnetsystem
US5412363A (en) * 1991-12-20 1995-05-02 Applied Superconetics, Inc. Open access superconducting MRI magnet
US5539366A (en) * 1994-07-27 1996-07-23 General Electric Company Magnet having contoured pole faces for magnetic field homogeneity
US5633588A (en) * 1994-09-16 1997-05-27 Hitachi Medical Corporation Superconducting magnet apparatus using superconducting multilayer composite member, method of magnetizing the same and magnetic resonance imaging system employing the same
US5521571A (en) * 1995-10-23 1996-05-28 General Electric Company Open MRI magnet with uniform imaging volume

Also Published As

Publication number Publication date
EP0819948A1 (de) 1998-01-21
EP0819948B1 (de) 2002-01-02
DE69709453D1 (de) 2002-02-07
US5675305A (en) 1997-10-07
JPH1057342A (ja) 1998-03-03

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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