ATE99803T1 - Satz magnetischer gradientenspulen fuer ein kernmagnetisches resonanzsystem mit im wesentlichen unterschiedlichen spulenabstaenden zum patienten. - Google Patents
Satz magnetischer gradientenspulen fuer ein kernmagnetisches resonanzsystem mit im wesentlichen unterschiedlichen spulenabstaenden zum patienten.Info
- Publication number
- ATE99803T1 ATE99803T1 AT88308716T AT88308716T ATE99803T1 AT E99803 T1 ATE99803 T1 AT E99803T1 AT 88308716 T AT88308716 T AT 88308716T AT 88308716 T AT88308716 T AT 88308716T AT E99803 T1 ATE99803 T1 AT E99803T1
- Authority
- AT
- Austria
- Prior art keywords
- gradient
- gradient coils
- patient
- coils
- axis
- 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
- G01R33/385—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 |
---|---|---|---|
US07/105,738 US4820988A (en) | 1987-10-07 | 1987-10-07 | Magnetic gradient coil set for nuclear magnetic resonace system having substantially different coil-patient spacings |
EP88308716A EP0313213B1 (de) | 1987-10-07 | 1988-09-20 | Satz magnetischer Gradientenspulen für ein kernmagnetisches Resonanzsystem mit im wesentlichen unterschiedlichen Spulenabständen zum Patienten |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE99803T1 true ATE99803T1 (de) | 1994-01-15 |
Family
ID=22307517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT88308716T ATE99803T1 (de) | 1987-10-07 | 1988-09-20 | Satz magnetischer gradientenspulen fuer ein kernmagnetisches resonanzsystem mit im wesentlichen unterschiedlichen spulenabstaenden zum patienten. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4820988A (de) |
EP (1) | EP0313213B1 (de) |
JP (1) | JP2584005B2 (de) |
AT (1) | ATE99803T1 (de) |
DE (1) | DE3886886T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2558727B2 (ja) * | 1987-08-25 | 1996-11-27 | 株式会社東芝 | 磁気共鳴診断装置 |
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 |
US5177441A (en) * | 1989-06-16 | 1993-01-05 | Picker International, Inc. | Elliptical cross section gradient oil |
EP0430103B1 (de) * | 1989-11-24 | 1995-06-14 | Kabushiki Kaisha Toshiba | Empfangsspule für einen Apparat zur Bilderzeugung mit magnetischer Kernresonanz |
US5146197A (en) * | 1990-01-25 | 1992-09-08 | University Of Pittsburgh | Self-shielding homogeneous spherical gradient coils |
AU4374993A (en) * | 1992-07-10 | 1994-01-31 | Doty Scientific, Inc. | Solenoidal, octopolar, transverse gradient coils |
US5365173A (en) * | 1992-07-24 | 1994-11-15 | Picker International, Inc. | Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling |
JP3341306B2 (ja) * | 1992-08-06 | 2002-11-05 | 株式会社日立製作所 | 傾斜磁場コイル及びこれを用いる核磁気共鳴撮影装置 |
US5554929A (en) * | 1993-03-12 | 1996-09-10 | Doty Scientific, Inc. | Crescent gradient coils |
US5530355A (en) * | 1993-05-13 | 1996-06-25 | Doty Scientific, Inc. | Solenoidal, octopolar, transverse gradient coils |
US5412322A (en) * | 1993-06-24 | 1995-05-02 | Wollin Ventures, Inc. | Apparatus and method for spatially ordered phase encoding and for determining complex permittivity in magnetic resonance by using superimposed time-varying electric fields |
DE19504171C2 (de) * | 1995-02-07 | 1998-04-30 | Siemens Ag | Trennbare, lokale Gradientenspulenanordnung für Kernspintomographiegeräte |
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 |
DE19943372C2 (de) * | 1999-09-10 | 2001-07-19 | Siemens Ag | Gradientenspulensystem für ein Magnetresonanztomographiegerät |
DE19953748A1 (de) * | 1999-11-09 | 2001-05-10 | Philips Corp Intellectual Pty | MR-Gerät |
DE10202986A1 (de) * | 2002-01-26 | 2003-07-31 | Philips Intellectual Property | Spulensystem für eine MR-Apparatur sowie MR-Apparatur mit einem solchen Spulensystem |
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 |
DE102006034472A1 (de) * | 2006-07-26 | 2008-01-31 | Forschungszentrum Jülich GmbH | Vorrichtung zur Beaufschlagung einer Probe mit einem Magnetfeld |
KR100805953B1 (ko) * | 2006-07-27 | 2008-02-21 | 경상대학교산학협력단 | 갈변화 방지 및 풍미가 개선된 우렁쉥이 젓갈의 제조방법 |
JP2010508880A (ja) * | 2006-11-03 | 2010-03-25 | 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 | Mri用の分割勾配コイル |
JP2010046495A (ja) * | 2009-09-04 | 2010-03-04 | Toshiba Corp | Mri用傾斜磁場コイルの設計方法 |
WO2011040157A1 (ja) * | 2009-09-30 | 2011-04-07 | 株式会社日立メディコ | 傾斜磁場コイル、及び磁気共鳴イメージング装置 |
WO2012096363A1 (ja) * | 2011-01-14 | 2012-07-19 | 株式会社 日立メディコ | 傾斜磁場コイル装置および磁気共鳴イメージング装置 |
CN105718729B (zh) * | 2016-01-20 | 2018-07-24 | 河海大学 | 一种柱面轴向梯度线圈设计中磁场与电感值的计算方法 |
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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3622869A (en) * | 1967-06-28 | 1971-11-23 | Marcel J E Golay | Homogenizing coils for nmr apparatus |
US3569823A (en) * | 1968-10-18 | 1971-03-09 | Perkin Elmer Corp | Nuclear magnetic resonance apparatus |
US4471305A (en) * | 1978-07-20 | 1984-09-11 | The Regents Of The University Of Calif. | Method and apparatus for rapid NMR imaging of nuclear parameters with an object |
US4599565A (en) * | 1981-12-15 | 1986-07-08 | The Regents Of The University Of Calif. | Method and apparatus for rapid NMR imaging using multi-dimensional reconstruction techniques |
US4456881A (en) * | 1982-01-18 | 1984-06-26 | Technicare Corporation | Gradient-coil apparatus for a magnetic resonance system |
US4564813A (en) * | 1982-11-10 | 1986-01-14 | Picker International, Ltd. | Nuclear magnetic resonance method and apparatus |
US4642569A (en) * | 1983-12-16 | 1987-02-10 | General Electric Company | Shield for decoupling RF and gradient coils in an NMR apparatus |
DE3347597A1 (de) * | 1983-12-30 | 1985-07-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern |
FR2571496B1 (fr) * | 1984-10-05 | 1986-12-19 | Commissariat Energie Atomique | Systeme de bobines de production de champs additionnels pour l'obtention, dans un aimant comportant des pieces polaires de polarisation pour imagerie par resonance magnetique nucleaire, de champs de polarisation a gradients constants |
-
1987
- 1987-10-07 US US07/105,738 patent/US4820988A/en not_active Expired - Lifetime
-
1988
- 1988-09-20 DE DE3886886T patent/DE3886886T2/de not_active Expired - Fee Related
- 1988-09-20 EP EP88308716A patent/EP0313213B1/de not_active Expired - Lifetime
- 1988-09-20 AT AT88308716T patent/ATE99803T1/de not_active IP Right Cessation
- 1988-10-07 JP JP63253651A patent/JP2584005B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH021238A (ja) | 1990-01-05 |
EP0313213A2 (de) | 1989-04-26 |
EP0313213A3 (en) | 1990-10-17 |
DE3886886T2 (de) | 1994-07-07 |
EP0313213B1 (de) | 1994-01-05 |
US4820988A (en) | 1989-04-11 |
DE3886886D1 (de) | 1994-02-17 |
JP2584005B2 (ja) | 1997-02-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |