DE60034411D1 - Vorrichtung für die Bildgebung mit magnetischer Resonanz und Verfahren zur Konstruktion einer Gradientenspuleneinrichtung - Google Patents
Vorrichtung für die Bildgebung mit magnetischer Resonanz und Verfahren zur Konstruktion einer GradientenspuleneinrichtungInfo
- Publication number
- DE60034411D1 DE60034411D1 DE60034411T DE60034411T DE60034411D1 DE 60034411 D1 DE60034411 D1 DE 60034411D1 DE 60034411 T DE60034411 T DE 60034411T DE 60034411 T DE60034411 T DE 60034411T DE 60034411 D1 DE60034411 D1 DE 60034411D1
- Authority
- DE
- Germany
- Prior art keywords
- gradient
- adjacent
- unique
- magnetic field
- coils
- 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
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US419597 | 1995-04-07 | ||
US09/419,597 US6278275B1 (en) | 1999-10-18 | 1999-10-18 | Gradient coil set with non-zero first gradient field vector derivative |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60034411D1 true DE60034411D1 (de) | 2007-05-31 |
DE60034411T2 DE60034411T2 (de) | 2008-01-03 |
Family
ID=23662935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60034411T Expired - Fee Related DE60034411T2 (de) | 1999-10-18 | 2000-09-27 | Vorrichtung für die Bildgebung mit magnetischer Resonanz und Verfahren zur Konstruktion einer Gradientenspuleneinrichtung |
Country Status (5)
Country | Link |
---|---|
US (1) | US6278275B1 (de) |
EP (1) | EP1094330B1 (de) |
JP (1) | JP2001149344A (de) |
AT (1) | ATE360218T1 (de) |
DE (1) | DE60034411T2 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6522144B2 (en) * | 2000-12-22 | 2003-02-18 | Ge Medical Systems Global Technology Company, Llc | RF shielding method and apparatus for an open MRI system |
WO2002052291A1 (en) * | 2000-12-22 | 2002-07-04 | Koninklijke Philips Electronics N.V. | Mri apparatus |
DE10109543B4 (de) * | 2001-02-28 | 2006-03-30 | Siemens Ag | Verfahren zum Betrieb eines Gradientenspulensystems eines Magnetresonanzgeräts |
US6538443B2 (en) * | 2001-03-20 | 2003-03-25 | Koninklijke Philips Electronics N.V. | MRI gradient coil with variable field of view and apparatus and methods employing the same |
EP1456682A2 (de) * | 2001-12-17 | 2004-09-15 | Koninklijke Philips Electronics N.V. | Anordnung von gradientenspulen |
WO2004046745A1 (en) * | 2002-11-20 | 2004-06-03 | Koninklijke Philips Electronics N.V. | Self-shielded gradient field coil for magnetic resonance imaging |
CN102736044A (zh) * | 2012-07-19 | 2012-10-17 | 南京麦菲电子科技有限公司 | 超导磁共振成像装置用的梯度线圈制作方法 |
DE112015006495T5 (de) * | 2015-04-27 | 2018-01-18 | Synaptive Medical (Barbados) Inc. | System und Verfahren zur Bildverzerrungskorrektur für die Magnetresonanztomographie |
JP6761427B2 (ja) * | 2015-04-27 | 2020-09-23 | シナプティヴ メディカル (バルバドス) インコーポレイテッドSynaptive Medical (Barbados) Inc. | 導電性グリッドを構成する方法、および導電性グリッド要素のアレイ |
US10459051B2 (en) * | 2017-01-05 | 2019-10-29 | Siemens Healthcare Gmbh | Field of view increase in magnetic resonance imaging using nonlinear gradients and generalized iterative reconstruction |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59157549A (ja) * | 1983-02-25 | 1984-09-06 | Asahi Chem Ind Co Ltd | 磁場勾配発生装置 |
US4840700A (en) * | 1983-11-02 | 1989-06-20 | General Electric Company | Current streamline method for coil construction |
US4794338A (en) | 1987-11-25 | 1988-12-27 | General Electric Company | Balanced self-shielded gradient coils |
US5451875A (en) * | 1989-06-16 | 1995-09-19 | Picker International, Inc. | Technique for reducing aliasing artifacts wtih insertable gradient coils |
US5296810A (en) | 1992-03-27 | 1994-03-22 | Picker International, Inc. | MRI self-shielded gradient coils |
JPH03182232A (ja) | 1989-12-11 | 1991-08-08 | Toshiba Corp | 磁気共鳴イメージング装置 |
GB2295020B (en) | 1994-11-03 | 1999-05-19 | Elscint Ltd | Modular whole - body gradient coil |
US5942898A (en) | 1996-12-13 | 1999-08-24 | Picker International, Inc. | Thrust balanced bi-planar gradient set for MRI scanners |
US5952830A (en) | 1997-12-22 | 1999-09-14 | Picker International, Inc. | Octapole magnetic resonance gradient coil system with elongate azimuthal gap |
US6100692A (en) * | 1998-01-05 | 2000-08-08 | Picker International, Inc. | Gradient coil set with a finite shield current |
-
1999
- 1999-10-18 US US09/419,597 patent/US6278275B1/en not_active Expired - Fee Related
-
2000
- 2000-09-27 EP EP00308446A patent/EP1094330B1/de not_active Expired - Lifetime
- 2000-09-27 DE DE60034411T patent/DE60034411T2/de not_active Expired - Fee Related
- 2000-09-27 AT AT00308446T patent/ATE360218T1/de not_active IP Right Cessation
- 2000-10-13 JP JP2000313071A patent/JP2001149344A/ja not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE60034411T2 (de) | 2008-01-03 |
ATE360218T1 (de) | 2007-05-15 |
EP1094330A2 (de) | 2001-04-25 |
EP1094330A3 (de) | 2003-03-19 |
JP2001149344A (ja) | 2001-06-05 |
EP1094330B1 (de) | 2007-04-18 |
US6278275B1 (en) | 2001-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |