DE3478504D1 - Axial magnetic field gradient coil suitable for use with nmr apparatus - Google Patents
Axial magnetic field gradient coil suitable for use with nmr apparatusInfo
- Publication number
- DE3478504D1 DE3478504D1 DE8484110256T DE3478504T DE3478504D1 DE 3478504 D1 DE3478504 D1 DE 3478504D1 DE 8484110256 T DE8484110256 T DE 8484110256T DE 3478504 T DE3478504 T DE 3478504T DE 3478504 D1 DE3478504 D1 DE 3478504D1
- Authority
- DE
- Germany
- Prior art keywords
- magnetic field
- gradient coil
- field gradient
- axial magnetic
- nmr apparatus
- 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
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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/825—Apparatus per se, device per se, or process of making or operating same
- Y10S505/842—Measuring and testing
- Y10S505/843—Electrical
- Y10S505/844—Nuclear magnetic resonance, NMR, system or device
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/529,431 US4617516A (en) | 1983-09-06 | 1983-09-06 | Axial magnetic field gradient coil suitable for use with NMR apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3478504D1 true DE3478504D1 (en) | 1989-07-06 |
Family
ID=24109884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484110256T Expired DE3478504D1 (en) | 1983-09-06 | 1984-08-29 | Axial magnetic field gradient coil suitable for use with nmr apparatus |
Country Status (7)
Country | Link |
---|---|
US (1) | US4617516A (de) |
EP (1) | EP0136536B1 (de) |
JP (1) | JPS6094705A (de) |
KR (1) | KR880001362B1 (de) |
DE (1) | DE3478504D1 (de) |
FI (1) | FI88078C (de) |
IL (1) | IL72723A (de) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE36782E (en) * | 1983-11-11 | 2000-07-18 | Oxford Medical Limited | Magnet assembly for use in NMR apparatus |
WO1988009152A1 (en) | 1985-03-19 | 1988-12-01 | Mills Randell L | Apparatus providing diagnosis and selective tissue necrosis |
US4689563A (en) * | 1985-06-10 | 1987-08-25 | General Electric Company | High-field nuclear magnetic resonance imaging/spectroscopy system |
DE3585534D1 (de) * | 1985-07-25 | 1992-04-09 | Gen Electric | Supraleitende spulen zur magnetfeldkorrektur fuer hohe homogenitaet. |
US4737716A (en) * | 1986-02-06 | 1988-04-12 | General Electric Company | Self-shielded gradient coils for nuclear magnetic resonance imaging |
GB8615854D0 (en) * | 1986-06-28 | 1986-08-06 | Turner R | Magnetic field coils |
FR2621125B1 (fr) * | 1987-09-28 | 1989-12-08 | Thomson Cgr | Systeme de bobines de gradient pour machine de rmn |
FR2622303B1 (fr) * | 1987-10-27 | 1990-03-02 | Schlumberger Prospection | Procede et dispositif pour la detection de vibrations acoustiques dans un puits |
US4794338A (en) * | 1987-11-25 | 1988-12-27 | General Electric Company | Balanced self-shielded gradient coils |
GB8729037D0 (en) * | 1987-12-11 | 1988-01-27 | Turner R | Improvements in/relating to electrical coils |
US5289151A (en) * | 1987-12-11 | 1994-02-22 | British Technology Group Limited | Electrical coils |
US4949043A (en) * | 1988-04-18 | 1990-08-14 | Resonance Research Inc. | Apparatus for rendering a static magnetic field uniform |
GB2221995B (en) * | 1988-08-19 | 1992-12-09 | Picker Int Ltd | Magnetic resonance methods and apparatus |
US5036282A (en) * | 1989-06-16 | 1991-07-30 | Picker International, Inc. | Biplanar gradient coil for magnetic resonance imaging systems |
US5177441A (en) * | 1989-06-16 | 1993-01-05 | Picker International, Inc. | Elliptical cross section gradient oil |
DE4029477C2 (de) * | 1989-09-29 | 1994-06-01 | Siemens Ag | Tesserale Gradientenspule für Kernspin-Tomographiegeräte |
JPH04332530A (ja) * | 1991-05-09 | 1992-11-19 | Toshiba Corp | Mri用傾斜磁場発生装置 |
DE4210217C2 (de) * | 1992-03-28 | 1994-03-24 | Bruker Analytische Messtechnik | Verfahren zum Bau einer optimierten Magnetspulenanordnung |
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 |
US5289129A (en) * | 1992-10-13 | 1994-02-22 | The Trustees Of The University Of Pennsylvania | Multiple winding MRI gradient coil |
US5357958A (en) * | 1993-03-18 | 1994-10-25 | The Regents Of The University Of California | Interventional MRI system and RF coils therefore |
US5581185A (en) * | 1994-03-15 | 1996-12-03 | Picker International, Inc. | Torque-balanced gradient coils for magnetic resonance imaging |
US5485087A (en) * | 1994-08-05 | 1996-01-16 | Picker International, Inc. | Magnetic resonance insert gradient coils with parabolic returns for improved access |
US5545996A (en) * | 1994-03-15 | 1996-08-13 | Picker International, Inc. | Gradient coil with cancelled net thrust force |
US5655533A (en) * | 1994-06-30 | 1997-08-12 | Picker International, Inc. | Actively shielded orthogonal gradient coils for wrist imaging |
GB9801622D0 (en) * | 1998-01-23 | 1998-03-25 | Inst Of Food Research | Improvements in and relating to magnetic resonance imaging |
IL126210A (en) * | 1998-07-01 | 2002-12-01 | Israel Aircraft Ind Ltd | Lightweight and low-excitation magnetoturker |
KR20010095775A (ko) * | 2000-04-12 | 2001-11-07 | 장용호 | 높은 라디오주파수 자기장 균일도를 갖는 핵자기 공명또는 핵자기 영상 코일 |
US6456076B1 (en) | 2001-01-31 | 2002-09-24 | The Trustees Of The University Of Pennsylvania | Z gradient shielding coil for canceling eddy currents |
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 |
DE10151667C2 (de) * | 2001-10-19 | 2003-10-16 | Siemens Ag | Verfahren zur Berechnung eines schaltbaren Gradientensystems für ein Magnet-Resonanz-Tomographiegerät |
US6885194B2 (en) | 2002-05-03 | 2005-04-26 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for minimizing gradient coil and rf coil coupling |
CN1307663C (zh) * | 2003-05-14 | 2007-03-28 | 达方电子股份有限公司 | 变压器结构 |
US7230426B2 (en) * | 2003-06-20 | 2007-06-12 | General Electric Company | Split-shield gradient coil with improved fringe-field |
US7141974B2 (en) * | 2003-08-25 | 2006-11-28 | William A Edelstein | Active-passive electromagnetic shielding to reduce MRI acoustic noise |
JP4632363B2 (ja) * | 2005-12-28 | 2011-02-16 | Necトーキン株式会社 | 磁界発生コイル |
US7375526B2 (en) * | 2006-10-20 | 2008-05-20 | Edelstein William A | Active-passive electromagnetic shielding to reduce MRI acoustic noise |
JP5295799B2 (ja) * | 2008-01-30 | 2013-09-18 | 株式会社東芝 | 傾斜磁場コイル、磁気共鳴イメージング装置、及び傾斜磁場コイルの製造方法 |
JP4551946B2 (ja) * | 2008-04-21 | 2010-09-29 | 株式会社東芝 | Mri傾斜磁場発生用コイル |
US8487729B2 (en) * | 2009-02-02 | 2013-07-16 | Northrop Grumman Guidance & Electronics | Magnetic solenoid for generating a substantially uniform magnetic field |
US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
CZ302564B6 (cs) * | 2010-05-18 | 2011-07-13 | Ceské vysoké ucení technické v Praze - fakulta | Zapojení feromagnetické sondy pro merení gradientu magnetického pole |
US8698497B2 (en) * | 2010-09-23 | 2014-04-15 | General Electric Company | Multi-field-of-view gradient coil |
FR2978834B1 (fr) * | 2011-08-01 | 2014-05-16 | Commissariat Energie Atomique | Procede et systeme de generation de gradients de champ magnetique pour machine d'imagerie a rmn |
AU2013379753A1 (en) | 2013-03-01 | 2015-07-09 | Halliburton Energy Services, Inc. | Miniature NMR drill cutting analyzer and methods of use |
US20160005530A1 (en) * | 2014-07-02 | 2016-01-07 | Analog Devices Global | Inductive component for use in an integrated circuit, a transformer and an inductor formed as part of an integrated circuit |
US10295630B2 (en) * | 2015-08-28 | 2019-05-21 | General Electric Company | Gradient coil with variable dimension |
EP3397978A1 (de) | 2015-12-31 | 2018-11-07 | Koninklijke Philips N.V. | Magnetfeldgradientenspulen mit dicht gepackten wicklungen und verfahren zur herstellung davon |
DE102018113765B4 (de) | 2017-06-09 | 2023-11-02 | Analog Devices International Unlimited Company | Transformator mit einer durchkontaktierung für einen magnetkern |
IL309321A (en) | 2017-12-01 | 2024-02-01 | Deka Products Lp | System and method for bioreactor fluid characterization using a magnetic resonance device |
EP4105671A1 (de) * | 2021-06-16 | 2022-12-21 | Siemens Healthcare GmbH | Verfahren zur ermittlung eines magnetfeldes zumindest einer magnetspuleneinheit einer magnetresonanzvorrichtung, magnetresonanzvorrichtung und computerprogrammprodukt |
CN116794586B (zh) * | 2023-08-02 | 2023-11-21 | 宁波健信超导科技股份有限公司 | 一种梯度线圈线性度的测量方法及测量系统 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE322499C (de) * | 1918-12-15 | 1920-07-02 | Drahtlose Telegraphie M B H Ge | Unterteilte Selbstinduktionsspule fuer die Zwecke der drahtlosen Telegraphie |
US2929017A (en) * | 1956-10-09 | 1960-03-15 | John W Seaton | Quadripole magnetic amplifier |
US3113280A (en) * | 1960-02-01 | 1963-12-03 | Hobley Peter | Electro-magnetic means for measuring a mechanical excursion |
US4157495A (en) * | 1976-08-14 | 1979-06-05 | Litton Systems, Inc. | Nuclear magnetic resonance gyro |
GB1596160A (en) * | 1976-12-15 | 1981-08-19 | Nat Res Dev | Nuclear magnetic resonance apparatus and methods |
US4319190A (en) * | 1980-03-06 | 1982-03-09 | Bell Telephone Laboratories, Incorporated | Nuclear magnetic resonance imaging in space and frequency coordinates |
DE3131946A1 (de) * | 1981-08-12 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | "hochfrequenz-magnetsystem in einer einrichtung der kernspinresonanz-technik" |
DE3133933A1 (de) * | 1981-08-27 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | "gradientenspulen-system einer einrichtung der kernspinresonanz-technik" |
DE3133873A1 (de) * | 1981-08-27 | 1983-03-17 | Siemens AG, 1000 Berlin und 8000 München | Gradientenspulen-system fuer eine einrichtung der kernspinresonanz-technik |
US4456881A (en) * | 1982-01-18 | 1984-06-26 | Technicare Corporation | Gradient-coil apparatus for a magnetic resonance system |
US4480228A (en) * | 1982-10-15 | 1984-10-30 | General Electric Company | Selective volume method for performing localized NMR spectroscopy |
GB8321236D0 (en) * | 1983-08-05 | 1983-09-07 | Technicare Corp | Gradient null displacement coil |
-
1983
- 1983-09-06 US US06/529,431 patent/US4617516A/en not_active Expired - Lifetime
-
1984
- 1984-08-03 FI FI843065A patent/FI88078C/fi not_active IP Right Cessation
- 1984-08-20 IL IL72723A patent/IL72723A/xx not_active IP Right Cessation
- 1984-08-29 DE DE8484110256T patent/DE3478504D1/de not_active Expired
- 1984-08-29 EP EP84110256A patent/EP0136536B1/de not_active Expired
- 1984-09-06 JP JP59185487A patent/JPS6094705A/ja active Granted
- 1984-09-06 KR KR1019840005459A patent/KR880001362B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0136536A3 (en) | 1986-04-23 |
IL72723A0 (en) | 1984-11-30 |
EP0136536A2 (de) | 1985-04-10 |
FI843065A0 (fi) | 1984-08-03 |
JPH0320056B2 (de) | 1991-03-18 |
KR850002324A (ko) | 1985-05-10 |
US4617516A (en) | 1986-10-14 |
IL72723A (en) | 1988-12-30 |
FI88078B (fi) | 1992-12-15 |
JPS6094705A (ja) | 1985-05-27 |
FI843065A (fi) | 1985-03-07 |
KR880001362B1 (ko) | 1988-07-28 |
FI88078C (fi) | 1993-03-25 |
EP0136536B1 (de) | 1989-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8128 | New person/name/address of the agent |
Representative=s name: SIEB, R., DIPL.-CHEM. DR.RER.NAT., PAT.-ANW., 6947 |
|
8320 | Willingness to grant licences declared (paragraph 23) |