NL8701949A - Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. - Google Patents
Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. Download PDFInfo
- Publication number
- NL8701949A NL8701949A NL8701949A NL8701949A NL8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A
- Authority
- NL
- Netherlands
- Prior art keywords
- coil
- magnetic resonance
- gradient
- resonance device
- coil system
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
-
- 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)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8701949A NL8701949A (nl) | 1987-08-19 | 1987-08-19 | Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. |
EP88201729A EP0307981A1 (en) | 1987-08-19 | 1988-08-12 | Magnetic resonance apparatus comprising integrated gradient r.f. coils |
JP63202797A JPS6468246A (en) | 1987-08-19 | 1988-08-16 | Magnetic resonance apparatus including integrated rf coil for inclined magnetic field |
US07/233,308 US4893083A (en) | 1987-08-19 | 1988-08-17 | Magnetic resonance apparatus comprising integrated gradient r.f. coils |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8701949A NL8701949A (nl) | 1987-08-19 | 1987-08-19 | Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. |
NL8701949 | 1987-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL8701949A true NL8701949A (nl) | 1989-03-16 |
Family
ID=19850474
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8701949A NL8701949A (nl) | 1987-08-19 | 1987-08-19 | Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4893083A (ja) |
EP (1) | EP0307981A1 (ja) |
JP (1) | JPS6468246A (ja) |
NL (1) | NL8701949A (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4983942A (en) * | 1989-12-04 | 1991-01-08 | General Electric Company | Apparatus for locating passive shim guide rails in MR magnets |
US4990877A (en) * | 1989-12-04 | 1991-02-05 | General Electric Company | Passive shimming assembly for MR magnet |
US5132621A (en) * | 1990-04-24 | 1992-07-21 | General Electric Company | Radio frequency field coil and power splitter for nmr |
GB9009577D0 (en) * | 1990-04-27 | 1990-06-20 | Oxford Advanced Tech | Magnetic field generating assembly |
DE4111508C2 (de) * | 1991-04-09 | 1994-07-14 | Bruker Medizintech | Vorrichtung zum Anregen und/oder Messen magnetischer Resonanz |
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 |
US5293126A (en) * | 1992-11-09 | 1994-03-08 | General Electric Company | Local transverse gradient coil |
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 |
US5757187A (en) * | 1993-06-24 | 1998-05-26 | Wollin Ventures, Inc. | Apparatus and method for image formation in magnetic resonance utilizing weak time-varying gradient fields |
US5457387A (en) * | 1993-07-06 | 1995-10-10 | Picker International, Inc. | Magnetic resonance imager with removable element RF coil |
US5396207A (en) * | 1994-08-05 | 1995-03-07 | General Electric Company | On-shoulder MRI magnet for human brain imaging |
US5630415A (en) * | 1995-01-19 | 1997-05-20 | The Regents Of The University Of California | Rigidized gradient coil |
DE19503833C2 (de) * | 1995-02-06 | 1998-05-14 | Siemens Ag | Kernspintomographiegerät mit einer Kombination aus Hochfrequenzantenne und Gradientenspule |
DE19701359A1 (de) * | 1996-08-07 | 1998-02-12 | Mitsubishi Electric Corp | Magnetfelderzeugungsvorrichtung |
DE10202986A1 (de) | 2002-01-26 | 2003-07-31 | Philips Intellectual Property | Spulensystem für eine MR-Apparatur sowie MR-Apparatur mit einem solchen Spulensystem |
JP4653439B2 (ja) * | 2004-08-10 | 2011-03-16 | ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー | 勾配コイルおよびmri装置 |
US20090222987A1 (en) * | 2008-01-29 | 2009-09-10 | Zeng He He | Examination bed for an mri system |
CN102272615A (zh) * | 2008-12-31 | 2011-12-07 | 皇家飞利浦电子股份有限公司 | 用于具有集成rf发送放大器的mri的梯度线圈组件 |
BR112014018600A8 (pt) * | 2012-02-01 | 2017-07-11 | Koninklijke Philips Nv | Sistema de formação de imagem por ressonância magnética, ímã para gerar um campo magnético e conjunto de comutador para um ímã supercondutor para gerar um campo magnético |
DE102017213026A1 (de) * | 2017-07-28 | 2019-01-31 | Siemens Healthcare Gmbh | Gradientenspule zur Erzeugung eines Magnetfeldgradienten und eines Magnetfeldes höherer Ordnung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4442404A (en) * | 1978-12-19 | 1984-04-10 | Bergmann Wilfried H | Method and means for the noninvasive, local, in-vivo examination of endogeneous tissue, organs, bones, nerves and circulating blood on account of spin-echo techniques |
DE2854774A1 (de) * | 1978-12-19 | 1980-07-10 | Battelle Institut E V | Vorrichtung zur noninvasiven, lokalen in-vivo-untersuchung von koerpergewebe, organen, knochen, nerven oder von stroemendem blut auf der basis der spin-echo-technik |
DE2951018A1 (de) * | 1979-12-19 | 1982-02-11 | Wilfried H. Dr. 5483 Bad Neuenahr Bergmann | Verfahren und vorrichtung zur verbesserung der empfindlichkeit und des signal-rausch-verhaeltnisses von spin-echo-messungen an proben, die bei ihrer eigentemperatur vermessen werden muessen und die elektrische leitfaehigkeit besitzen |
DE3310160A1 (de) * | 1983-03-21 | 1984-09-27 | Siemens AG, 1000 Berlin und 8000 München | Geraet zur erzeugung von bildern und ortsaufgeloesten spektren eines untersuchungsobjektes mit magnetischer kernresonanz |
NL8303534A (nl) * | 1983-10-14 | 1985-05-01 | Philips Nv | Kernspinresonantie apparaat. |
DE3411222A1 (de) * | 1984-03-27 | 1985-10-10 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Kernspintomograph |
US4740751A (en) * | 1984-08-16 | 1988-04-26 | Picker International, Inc. | Whole body MRI resonator |
JPH0737231B2 (ja) * | 1990-11-09 | 1995-04-26 | 住友金属工業株式会社 | 鉄道車両用空気ばねの電子制御方法 |
FR2706777A1 (en) * | 1993-06-21 | 1994-12-30 | Taylor Made Golf Co | Golf-club shaft (handle) with optimised distribution of flexibility |
-
1987
- 1987-08-19 NL NL8701949A patent/NL8701949A/nl not_active Application Discontinuation
-
1988
- 1988-08-12 EP EP88201729A patent/EP0307981A1/en not_active Withdrawn
- 1988-08-16 JP JP63202797A patent/JPS6468246A/ja active Pending
- 1988-08-17 US US07/233,308 patent/US4893083A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0307981A1 (en) | 1989-03-22 |
JPS6468246A (en) | 1989-03-14 |
US4893083A (en) | 1990-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |