DE69218500D1 - Apparat mittels magnetischer Resonanz - Google Patents

Apparat mittels magnetischer Resonanz

Info

Publication number
DE69218500D1
DE69218500D1 DE69218500T DE69218500T DE69218500D1 DE 69218500 D1 DE69218500 D1 DE 69218500D1 DE 69218500 T DE69218500 T DE 69218500T DE 69218500 T DE69218500 T DE 69218500T DE 69218500 D1 DE69218500 D1 DE 69218500D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance apparatus
magnetic
resonance
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
DE69218500T
Other languages
English (en)
Other versions
DE69218500T2 (de
Inventor
Michael A Morich
John L Patrick
Labros Petropoulos
Michael A Martens
Robert W Brown
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
Picker International 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24889665&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69218500(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Picker International Inc filed Critical Picker International Inc
Application granted granted Critical
Publication of DE69218500D1 publication Critical patent/DE69218500D1/de
Publication of DE69218500T2 publication Critical patent/DE69218500T2/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
DE69218500T 1991-06-21 1992-06-10 Apparat mittels magnetischer Resonanz Expired - Fee Related DE69218500T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/719,334 US5177441A (en) 1989-06-16 1991-06-21 Elliptical cross section gradient oil

Publications (2)

Publication Number Publication Date
DE69218500D1 true DE69218500D1 (de) 1997-04-30
DE69218500T2 DE69218500T2 (de) 1997-07-03

Family

ID=24889665

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69218500T Expired - Fee Related DE69218500T2 (de) 1991-06-21 1992-06-10 Apparat mittels magnetischer Resonanz

Country Status (4)

Country Link
US (1) US5177441A (de)
EP (1) EP0519637B1 (de)
JP (1) JPH05269100A (de)
DE (1) DE69218500T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424643A (en) * 1989-06-16 1995-06-13 Picker International, Inc. Magnetic resonance gradient sheet coils
DE69331072T2 (de) * 1992-03-13 2002-06-20 Toshiba Kawasaki Kk Bilderzeugung mittels magnetischer Kernresonanz mit verbesserter Bildqualität und Betriebsweise
US5623208A (en) * 1993-04-14 1997-04-22 Jeol Ltd. Z-axis magnetic field gradient coil structure for magnetic resonance system
GB2295020B (en) * 1994-11-03 1999-05-19 Elscint Ltd Modular whole - body gradient coil
IT1288452B1 (it) 1996-11-20 1998-09-22 Esaote Spa Metodo per migliorare l'efficienza di sistemi di bobine in particolare nei dispositivi di acquisizione di immagini mediante
DE19653449C2 (de) * 1996-12-20 1999-11-11 Siemens Ag Gradientenspulenanordnung für ein Kernspintomographiegerät
US6272370B1 (en) 1998-08-07 2001-08-07 The Regents Of University Of Minnesota MR-visible medical device for neurological interventions using nonlinear magnetic stereotaxis and a method imaging
US6463317B1 (en) 1998-05-19 2002-10-08 Regents Of The University Of Minnesota Device and method for the endovascular treatment of aneurysms
GB2337595B (en) * 1998-05-22 2003-03-19 Oxford Magnet Tech Improvements in or relating to magnetic resonance imaging systems
GB2350682A (en) 1999-06-04 2000-12-06 Marconi Electronic Syst Ltd Laterally moveable RF coil for MRI
DE19943372C2 (de) 1999-09-10 2001-07-19 Siemens Ag Gradientenspulensystem für ein Magnetresonanztomographiegerät
JP4421079B2 (ja) 2000-05-23 2010-02-24 株式会社東芝 Ｍｒｉ用傾斜磁場コイル
JP4789254B2 (ja) * 2006-05-01 2011-10-12 株式会社日立メディコ 水平静磁場方式の楕円筒状ガントリおよびそれに適合するアクティブシールド型傾斜磁場コイル装置を有する磁気共鳴イメージング装置
JP2010046495A (ja) * 2009-09-04 2010-03-04 Toshiba Corp Ｍｒｉ用傾斜磁場コイルの設計方法
US9389291B2 (en) * 2009-11-27 2016-07-12 Hitachi Medical Corporation Gradient coil, magnetic resonance imaging device, and method for designing coil pattern
JP5685476B2 (ja) * 2011-04-11 2015-03-18 株式会社日立製作所 磁気共鳴イメージング装置
DE102012221918B3 (de) * 2012-11-29 2014-02-13 Siemens Aktiengesellschaft Anordnung zur Erzeugung des Hauptmagnetfeldes und des Gradientenmagnetfeldes einer Magnetresonanztomografieanlage, Magnetresonanztomografieanlage und Verfahren zum Betrieb einer Magnetresonanztomografieanlage
WO2016132654A1 (ja) * 2015-02-16 2016-08-25 株式会社村田製作所 アンテナ装置および通信端末装置
EP3594707B1 (de) 2018-07-09 2023-06-07 Esaote S.p.A. Verfahren zum entwerfen von gradientenspulen für mrt-systeme und mrt-system mit solchen gradientenspulen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3133933A1 (de) * 1981-08-27 1983-03-17 Siemens AG, 1000 Berlin und 8000 München "gradientenspulen-system einer einrichtung der kernspinresonanz-technik"
DE3133873A1 (de) * 1981-08-27 1983-03-17 Siemens AG, 1000 Berlin und 8000 München Gradientenspulen-system fuer eine einrichtung der kernspinresonanz-technik
FI65862C (fi) * 1982-10-11 1984-07-10 Instrumentarium Oy Nmr-avbildningsapparat
US4617516A (en) * 1983-09-06 1986-10-14 General Electric Company Axial magnetic field gradient coil suitable for use with NMR apparatus
US4646024A (en) * 1983-11-02 1987-02-24 General Electric Company Transverse gradient field coils for nuclear magnetic resonance imaging
DE3347597A1 (de) * 1983-12-30 1985-07-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
US4740751A (en) * 1984-08-16 1988-04-26 Picker International, Inc. Whole body MRI resonator
NL8502273A (nl) * 1985-08-19 1987-03-16 Philips Nv Magnetisch resonantie apparaat met bird cage r.f. spoel.
US4791370A (en) * 1985-08-23 1988-12-13 Resonex, Inc. Gradient field structure and method for use with magnetic resonance imaging apparatus
EP0365065B1 (de) * 1985-09-20 2003-03-12 Btg International Limited Magnetfeldschirme
US4737716A (en) * 1986-02-06 1988-04-12 General Electric Company Self-shielded gradient coils for nuclear magnetic resonance imaging
US4820988A (en) * 1987-10-07 1989-04-11 The Regents Of The University Of California Magnetic gradient coil set for nuclear magnetic resonace system having substantially different coil-patient spacings
US4881035A (en) * 1987-11-24 1989-11-14 Siemens Aktiengesellschaft Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils
JP2816157B2 (ja) * 1988-09-19 1998-10-27 株式会社日立製作所 核磁気共鳴を用いた検査装置
US4926125A (en) * 1988-08-22 1990-05-15 General Electric Company Surface gradient assembly for high speed nuclear magnetic resonance imaging
DE3938167A1 (de) * 1988-11-28 1990-05-31 Siemens Ag Gradientenspulen-system fuer einen kernspintomographen
US4910462A (en) * 1989-04-28 1990-03-20 General Electric Company Etched Z-axis gradient coils for NMR system

Also Published As

Publication number Publication date
DE69218500T2 (de) 1997-07-03
EP0519637A1 (de) 1992-12-23
US5177441A (en) 1993-01-05
JPH05269100A (ja) 1993-10-19
EP0519637B1 (de) 1997-03-26

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee