DE3881982T2 - Magnetischer Resonanzapparat mit schallarmer Gradientenspule. - Google Patents
Magnetischer Resonanzapparat mit schallarmer Gradientenspule.Info
- Publication number
- DE3881982T2 DE3881982T2 DE88201741T DE3881982T DE3881982T2 DE 3881982 T2 DE3881982 T2 DE 3881982T2 DE 88201741 T DE88201741 T DE 88201741T DE 3881982 T DE3881982 T DE 3881982T DE 3881982 T2 DE3881982 T2 DE 3881982T2
- Authority
- DE
- Germany
- Prior art keywords
- low
- magnetic resonance
- gradient coil
- resonance apparatus
- noise gradient
- 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
- G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8701947A NL8701947A (nl) | 1987-08-19 | 1987-08-19 | Magnetisch resonantie apparaat met geluidsarme gradientspoel. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3881982D1 DE3881982D1 (de) | 1993-07-29 |
DE3881982T2 true DE3881982T2 (de) | 1994-01-05 |
Family
ID=19850472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88201741T Expired - Fee Related DE3881982T2 (de) | 1987-08-19 | 1988-08-16 | Magnetischer Resonanzapparat mit schallarmer Gradientenspule. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4878024A (de) |
EP (1) | EP0304127B1 (de) |
JP (1) | JPS6470032A (de) |
DE (1) | DE3881982T2 (de) |
NL (1) | NL8701947A (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3938167A1 (de) * | 1988-11-28 | 1990-05-31 | Siemens Ag | Gradientenspulen-system fuer einen kernspintomographen |
FR2646920B1 (fr) * | 1989-05-12 | 1991-07-05 | Commissariat Energie Atomique | Dispositif pour la production de champs magnetiques possedant une composante a gradient constant |
DE4029477C2 (de) * | 1989-09-29 | 1994-06-01 | Siemens Ag | Tesserale Gradientenspule für Kernspin-Tomographiegeräte |
EP0431216A1 (de) * | 1989-12-06 | 1991-06-12 | Koninklijke Philips Electronics N.V. | Verfahren zur Verminderung des akustischen Geräusches bei magnetischen Resonanzapparaten |
NL9002574A (nl) * | 1990-11-27 | 1992-06-16 | Philips Nv | Magnetisch resonantieapparaat. |
DE4141514C2 (de) * | 1991-02-07 | 1997-04-10 | Siemens Ag | Gradientenspulensystem für ein Kernspin-Tomographiegerät |
US5235283A (en) * | 1991-02-07 | 1993-08-10 | Siemens Aktiengesellschaft | Gradient coil system for a nuclear magnetic resonance tomography apparatus which reduces acoustic noise |
JP2982392B2 (ja) * | 1991-07-10 | 1999-11-22 | 株式会社日立製作所 | 磁気共鳴イメージング装置 |
GB9311321D0 (en) * | 1993-06-02 | 1993-07-21 | British Tech Group | Apparatus for and methods of acoustic and magnetic screening |
US5631618A (en) * | 1994-09-30 | 1997-05-20 | Massachusetts Institute Of Technology | Magnetic arrays |
US5701075A (en) * | 1996-01-04 | 1997-12-23 | General Electric Company | Magnetic resonance imaging shimming by superconducting gradient shield |
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 |
DE10116623C1 (de) * | 2001-04-03 | 2002-12-05 | Bruker Biospin Gmbh | Magnetresonanzapparatur mit Dämpfung innerer mechanischer Schwingungen |
EP2388610A1 (de) * | 2010-05-20 | 2011-11-23 | Koninklijke Philips Electronics N.V. | Magnetresonanzbildgebungsgradientenspule, Magnetanordnung und System |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59216045A (ja) * | 1983-05-23 | 1984-12-06 | Hitachi Ltd | 傾斜磁場コイル |
NL8303534A (nl) * | 1983-10-14 | 1985-05-01 | Philips Nv | Kernspinresonantie apparaat. |
IL70211A (en) * | 1983-11-13 | 1989-03-31 | Elscint Ltd | Gradient field coils for nmr imaging |
GB8332505D0 (en) * | 1983-12-06 | 1984-01-11 | Oxford Magnet Tech | Imaging using resonance of nuclei |
DE3406052A1 (de) * | 1984-02-20 | 1985-08-22 | Siemens AG, 1000 Berlin und 8000 München | Gradientenspulen-system fuer eine anlage zur kernspintomographie |
GB2170957A (en) * | 1985-01-15 | 1986-08-13 | Oxford Magnet Tech | Coil assembly for NMR imaging |
US4774486A (en) * | 1985-06-04 | 1988-09-27 | Mitsubishi Denki Kabushiki Kaisha | Coil mounting for NMR diagnostic apparatus |
JPS61278741A (ja) * | 1985-06-04 | 1986-12-09 | Mitsubishi Electric Corp | 核磁気共鳴画像診断装置用傾斜磁場コイル |
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 |
-
1987
- 1987-08-19 NL NL8701947A patent/NL8701947A/nl not_active Application Discontinuation
-
1988
- 1988-08-16 EP EP88201741A patent/EP0304127B1/de not_active Expired - Lifetime
- 1988-08-16 DE DE88201741T patent/DE3881982T2/de not_active Expired - Fee Related
- 1988-08-17 US US07/233,307 patent/US4878024A/en not_active Expired - Fee Related
- 1988-08-19 JP JP63204847A patent/JPS6470032A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL8701947A (nl) | 1989-03-16 |
US4878024A (en) | 1989-10-31 |
EP0304127B1 (de) | 1993-06-23 |
DE3881982D1 (de) | 1993-07-29 |
EP0304127A1 (de) | 1989-02-22 |
JPS6470032A (en) | 1989-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |