ATE336728T1 - System für die mr-bildgebung mit verbessertem zugang - Google Patents
System für die mr-bildgebung mit verbessertem zugangInfo
- Publication number
- ATE336728T1 ATE336728T1 AT00966328T AT00966328T ATE336728T1 AT E336728 T1 ATE336728 T1 AT E336728T1 AT 00966328 T AT00966328 T AT 00966328T AT 00966328 T AT00966328 T AT 00966328T AT E336728 T1 ATE336728 T1 AT E336728T1
- Authority
- AT
- Austria
- Prior art keywords
- coils
- magnetic field
- drive
- reference plane
- drive coils
- Prior art date
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
-
- 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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Liquid Crystal (AREA)
- Laminated Bodies (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9925171A GB2355799B (en) | 1999-10-26 | 1999-10-26 | Magnet with improved access |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE336728T1 true ATE336728T1 (de) | 2006-09-15 |
Family
ID=10863299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT00966328T ATE336728T1 (de) | 1999-10-26 | 2000-10-12 | System für die mr-bildgebung mit verbessertem zugang |
Country Status (7)
Country | Link |
---|---|
US (1) | US7167004B1 (de) |
EP (1) | EP1226448B1 (de) |
JP (1) | JP3675761B2 (de) |
AT (1) | ATE336728T1 (de) |
DE (1) | DE60030144T2 (de) |
GB (1) | GB2355799B (de) |
WO (1) | WO2001031358A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE348568T1 (de) | 2001-05-28 | 2007-01-15 | Esaote Spa | Vorrichtung zur bildgebung des körperinneren |
JP4093736B2 (ja) * | 2001-06-28 | 2008-06-04 | 株式会社日立メディコ | 核磁気共鳴診断装置および診断システム |
ITSV20010034A1 (it) * | 2001-10-02 | 2003-04-02 | Esaote Spa | Magnete a superconduttore in particolare per macchine di rilevamento di immagini in risonanza magnetica nucleare |
JP4490819B2 (ja) * | 2002-09-18 | 2010-06-30 | 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 | 循環的な磁気共鳴撮像方法 |
JP2004325251A (ja) * | 2003-04-24 | 2004-11-18 | Hitachi Ltd | 均一磁場発生装置およびそれを用いた核磁気共鳴装置 |
US6965236B2 (en) * | 2003-11-20 | 2005-11-15 | Ge Medical Systems Global Technology Co., Llc | MRI system utilizing supplemental static field-shaping coils |
DE102004003161A1 (de) * | 2004-01-21 | 2005-08-18 | Siemens Ag | Tragrohr für Magnetresonanz-Scanner |
GB0414431D0 (en) | 2004-06-28 | 2004-07-28 | Oxford Instr Plc | Magnetic resonance apparatus |
JP2006115934A (ja) * | 2004-10-19 | 2006-05-11 | Mitsubishi Electric Corp | 磁石装置及びそれを用いた磁気共鳴イメージング装置 |
GB2427479B (en) * | 2005-06-22 | 2007-11-14 | Siemens Magnet Technology Ltd | Particle Radiation Therapy Equipment and method for performing particle radiation therapy |
US7579838B2 (en) * | 2005-11-18 | 2009-08-25 | General Electric Company | Systems, methods and apparatus for a partially elongated field of view in a magnetic resonance imaging system |
US7295012B1 (en) * | 2006-04-28 | 2007-11-13 | General Electric Company | Methods and apparatus for MRI shim elements |
JP4921935B2 (ja) * | 2006-11-22 | 2012-04-25 | 株式会社日立製作所 | 電磁石装置及び磁気共鳴撮像装置 |
US8188732B2 (en) * | 2006-12-20 | 2012-05-29 | Koninklijke Philips Electronics N.V. | Arrangement and method for influencing magnetic particles in a region of action using distinguishable magnetization of the two magnetic particles |
WO2008078275A2 (en) * | 2006-12-20 | 2008-07-03 | Philips Intellectual Property & Standards Gmbh | Method and arrangement for influencing and/or detecting magnetic particles in a region of action |
WO2008078272A2 (en) * | 2006-12-20 | 2008-07-03 | Philips Intellectual Property & Standards Gmbh | Arrangement and method for influencing and/or detecting magnetic particles in a region of action |
EP2283374A4 (de) * | 2008-05-08 | 2012-01-04 | Univ Queensland | Anordnung von spulen für eine mri-vorrichtung |
GB0820043D0 (en) * | 2008-10-31 | 2008-12-10 | Emscan Ltd | Electromagnet assembly |
PL393899A1 (pl) * | 2011-02-09 | 2012-08-13 | Politechnika Poznańska | Sposób wytwarzania pól magnetycznych o dużej jednorodności w obrębie badanego obiektu i kompensacja zewnętrznego pola rozproszonego i układ do jego realizacji |
EP3132276A2 (de) | 2014-04-15 | 2017-02-22 | Imperial Innovations Ltd | Mrt-vorrichtung und -verfahren |
JP2023169795A (ja) * | 2022-05-17 | 2023-11-30 | キヤノンメディカルシステムズ株式会社 | 静磁場磁石及び磁気共鳴イメージング装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2050062B (en) * | 1979-05-25 | 1983-07-20 | Emi Ltd | Coils for electromagnets with uniform fields |
DE3133873A1 (de) * | 1981-08-27 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Gradientenspulen-system fuer eine einrichtung der kernspinresonanz-technik |
US4755755A (en) * | 1987-02-27 | 1988-07-05 | The Regents Of The University Of California | Compact transverse magnetic gradient coils and dimensioning method therefor |
US4862086A (en) * | 1987-04-28 | 1989-08-29 | Kabushiki Kaisha Toshiba | System for generating magnetic fields utilized for magnetic resonance imaging apparatus |
DE4029477C2 (de) * | 1989-09-29 | 1994-06-01 | Siemens Ag | Tesserale Gradientenspule für Kernspin-Tomographiegeräte |
US5270656A (en) * | 1992-04-24 | 1993-12-14 | The Trustees Of The University Of Pennsylvania | Biplanar RF coils for magnetic resonance imaging or spectroscopy |
GB9311321D0 (en) * | 1993-06-02 | 1993-07-21 | British Tech Group | Apparatus for and methods of acoustic and magnetic screening |
JPH07303621A (ja) * | 1994-05-12 | 1995-11-21 | Ge Yokogawa Medical Syst Ltd | Mri用rfコイル |
US5578925A (en) * | 1995-08-18 | 1996-11-26 | Picker International, Inc. | Vertical field quadrature phased array coil system |
EP0774670B1 (de) * | 1995-11-16 | 2002-05-02 | Siemens Aktiengesellschaft | Magnetanordnung für ein diagnostisches Magnetresonanzgerät |
DE19612478C1 (de) * | 1996-03-29 | 1997-09-04 | Siemens Ag | Gradientenspulensystem für ein diagnostisches Magnetresonanzgerät |
US5744960A (en) * | 1996-08-08 | 1998-04-28 | Brigham And Women's Hospital | Planar open magnet MRI system |
US5914600A (en) * | 1997-06-04 | 1999-06-22 | Brigham And Women's Hospital | Planar open solenoidal magnet MRI system |
WO1999027851A1 (fr) * | 1997-12-01 | 1999-06-10 | Hitachi Medical Corporation | Appareil magnetique et appareil mri |
US6208142B1 (en) * | 1998-12-07 | 2001-03-27 | Transurgical, Inc. | Magnetic resonance apparatus and methods with shim adjustment |
US6288624B1 (en) * | 1999-11-23 | 2001-09-11 | Picker Nordstar Corporation | Enlongated field of view open magnetic resonance imaging system with dipole magnet |
-
1999
- 1999-10-26 GB GB9925171A patent/GB2355799B/en not_active Expired - Fee Related
-
2000
- 2000-10-12 EP EP00966328A patent/EP1226448B1/de not_active Expired - Lifetime
- 2000-10-12 US US10/111,444 patent/US7167004B1/en not_active Expired - Fee Related
- 2000-10-12 JP JP2001533443A patent/JP3675761B2/ja not_active Expired - Fee Related
- 2000-10-12 WO PCT/GB2000/003914 patent/WO2001031358A1/en active IP Right Grant
- 2000-10-12 AT AT00966328T patent/ATE336728T1/de not_active IP Right Cessation
- 2000-10-12 DE DE60030144T patent/DE60030144T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9925171D0 (en) | 1999-12-22 |
DE60030144T2 (de) | 2007-07-19 |
US7167004B1 (en) | 2007-01-23 |
WO2001031358A1 (en) | 2001-05-03 |
JP3675761B2 (ja) | 2005-07-27 |
GB2355799B (en) | 2004-02-04 |
JP2003517356A (ja) | 2003-05-27 |
GB2355799A (en) | 2001-05-02 |
EP1226448A1 (de) | 2002-07-31 |
DE60030144D1 (de) | 2006-09-28 |
EP1226448B1 (de) | 2006-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |