DE69609483D1 - Aktiv geschirmte supraleitende Magnetanordnung für die bildgebende magnetische Resonanz - Google Patents
Aktiv geschirmte supraleitende Magnetanordnung für die bildgebende magnetische ResonanzInfo
- Publication number
- DE69609483D1 DE69609483D1 DE69609483T DE69609483T DE69609483D1 DE 69609483 D1 DE69609483 D1 DE 69609483D1 DE 69609483 T DE69609483 T DE 69609483T DE 69609483 T DE69609483 T DE 69609483T DE 69609483 D1 DE69609483 D1 DE 69609483D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic resonance
- superconducting magnet
- magnet arrangement
- imaging magnetic
- actively shielded
- 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
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
- G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
- G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
-
- 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
- G01R33/42—Screening
- G01R33/421—Screening of main or gradient magnetic field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F6/00—Superconducting magnets; Superconducting coils
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Containers, Films, And Cooling For Superconductive Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/581,100 US5668516A (en) | 1995-12-29 | 1995-12-29 | Simplified active shield superconducting magnet assembly for magnetic resonance imaging |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69609483D1 true DE69609483D1 (de) | 2000-08-31 |
DE69609483T2 DE69609483T2 (de) | 2001-03-29 |
Family
ID=24323884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69609483T Expired - Fee Related DE69609483T2 (de) | 1995-12-29 | 1996-12-19 | Aktiv geschirmte supraleitende Magnetanordnung für die bildgebende magnetische Resonanz |
Country Status (4)
Country | Link |
---|---|
US (1) | US5668516A (de) |
EP (1) | EP0782006B1 (de) |
JP (1) | JP3940454B2 (de) |
DE (1) | DE69609483T2 (de) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004509720A (ja) * | 2000-09-26 | 2004-04-02 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 主磁石中に位置する円錐状の空隙を備える垂直磁界タイプのmri装置 |
GB2395544B (en) | 2002-11-21 | 2007-01-31 | Ge Med Sys Global Tech Co Llc | Cryogen pressure vessel assembly for superconducting magnets |
US6844801B2 (en) | 2003-03-21 | 2005-01-18 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for adjusting center magnetic field of a magnetic field generator for MRI |
US6859123B2 (en) * | 2003-04-03 | 2005-02-22 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for positioning permanent magnetic blocks |
US7001479B2 (en) * | 2003-04-03 | 2006-02-21 | Ge Medical Systems Global Technology Company, Llc | Methods and apparatus for assembling magnetized permanent magnetic blocks |
GB2437114B (en) * | 2006-04-13 | 2008-12-17 | Siemens Magnet Technology Ltd | Method Of Manufacturing A Solenoidal Magnet |
GB2440369B (en) * | 2006-07-27 | 2009-03-04 | Siemens Magnet Technology Ltd | A cryogenic magnet control system |
US7498814B1 (en) * | 2007-10-31 | 2009-03-03 | General Electric Company | Magnet assembly for magnetic resonance imaging system |
US9640308B2 (en) * | 2008-10-14 | 2017-05-02 | General Electric Company | High temperature superconducting magnet |
US7924010B2 (en) * | 2009-03-25 | 2011-04-12 | General Electric Company | Apparatus for supporting and method for forming a support for a magnetic resonance imaging (MRI) magnet |
JP5534713B2 (ja) * | 2009-05-20 | 2014-07-02 | 三菱電機株式会社 | 超電導マグネット |
GB2471882B (en) * | 2009-07-16 | 2011-09-28 | Siemens Magnet Technology Ltd | Method of manufacturing a solenoidal magnet, and a solenoidal magnet structure |
GB2480637B (en) * | 2010-05-26 | 2013-02-20 | Siemens Plc | Solenoidal magnets having supported outer coils |
GB2490478B (en) * | 2011-04-20 | 2014-04-23 | Siemens Plc | Superconducting magnets with thermal radiation shields |
US9279871B2 (en) * | 2011-12-20 | 2016-03-08 | General Electric Company | System and apparatus for compensating for magnetic field distortion in an MRI system |
US9322892B2 (en) | 2011-12-20 | 2016-04-26 | General Electric Company | System for magnetic field distortion compensation and method of making same |
GB2503190A (en) * | 2012-01-05 | 2013-12-25 | Siemens Plc | Structurally self-supporting superconducting magnet with support for shield coils |
US9117578B2 (en) * | 2012-03-13 | 2015-08-25 | Massachusetts Institute Of Technology | No-insulation multi-width winding for high temperature superconducting magnets |
US9274188B2 (en) * | 2012-11-30 | 2016-03-01 | General Electric Company | System and apparatus for compensating for magnetic field distortion in an MRI system |
FR3047460B1 (fr) * | 2016-02-08 | 2018-02-16 | Continental Automotive France | Electrovanne de vehicule automobile |
GB2568950B (en) * | 2017-12-01 | 2021-08-11 | Siemens Healthcare Ltd | Electromagnet assembly |
GB2587379B (en) * | 2019-09-26 | 2024-05-29 | Siemens Healthcare Ltd | Support structure for a superconducting coil |
CN115547660A (zh) * | 2021-06-29 | 2022-12-30 | 西门子(深圳)磁共振有限公司 | 磁共振成像系统的超导磁体及其加工工具和加工方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4680666A (en) * | 1986-04-07 | 1987-07-14 | General Electric Company | MR magnet wiring harness circuit |
JPS6387710A (ja) * | 1986-09-30 | 1988-04-19 | Mitsubishi Electric Corp | 超電導巻線用巻枠 |
US4771256A (en) * | 1987-04-02 | 1988-09-13 | General Electric Company | Integral shield for mr magnet |
US5001447A (en) * | 1989-08-23 | 1991-03-19 | General Electric Company | Ferromagnetic compensation rings for high field strength magnets |
GB9016183D0 (en) * | 1990-07-24 | 1990-09-05 | Oxford Magnet Tech | Magnet assembly |
US5099215A (en) * | 1990-08-29 | 1992-03-24 | General Electric Company | Coupling device for a superconducting magnet |
US5406204A (en) * | 1992-03-27 | 1995-04-11 | Picker International, Inc. | Integrated MRI gradient coil and RF screen |
US5237300A (en) * | 1992-08-03 | 1993-08-17 | General Electric Company | Support structure for actively shielded superconducting magnets |
US5410288A (en) * | 1993-01-04 | 1995-04-25 | General Electric Company | Persistent superconducting switch for a superconducting magnet for imaging human limbs |
-
1995
- 1995-12-29 US US08/581,100 patent/US5668516A/en not_active Expired - Lifetime
-
1996
- 1996-12-19 EP EP96309320A patent/EP0782006B1/de not_active Expired - Lifetime
- 1996-12-19 DE DE69609483T patent/DE69609483T2/de not_active Expired - Fee Related
- 1996-12-27 JP JP34918596A patent/JP3940454B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0782006A1 (de) | 1997-07-02 |
DE69609483T2 (de) | 2001-03-29 |
US5668516A (en) | 1997-09-16 |
EP0782006B1 (de) | 2000-07-26 |
JP3940454B2 (ja) | 2007-07-04 |
JPH09283322A (ja) | 1997-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: ROEGER UND KOLLEGEN, 73728 ESSLINGEN |
|
8339 | Ceased/non-payment of the annual fee |