ES2023635B3 - Metodo y aparato de formacion de imagenes por resonancia magnetica. - Google Patents
Metodo y aparato de formacion de imagenes por resonancia magnetica.Info
- Publication number
- ES2023635B3 ES2023635B3 ES86113650T ES86113650T ES2023635B3 ES 2023635 B3 ES2023635 B3 ES 2023635B3 ES 86113650 T ES86113650 T ES 86113650T ES 86113650 T ES86113650 T ES 86113650T ES 2023635 B3 ES2023635 B3 ES 2023635B3
- Authority
- ES
- Spain
- Prior art keywords
- nutation
- slice
- magnetic resonance
- pulses
- image formation
- 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 - Lifetime
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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Thin Magnetic Films (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/795,914 US4746863A (en) | 1985-11-07 | 1985-11-07 | Contiguous slices in multi-slice MRI |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2023635B3 true ES2023635B3 (es) | 1992-02-01 |
Family
ID=25166767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES86113650T Expired - Lifetime ES2023635B3 (es) | 1985-11-07 | 1986-10-02 | Metodo y aparato de formacion de imagenes por resonancia magnetica. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4746863A (es) |
EP (1) | EP0229228B1 (es) |
JP (1) | JPS62112541A (es) |
AT (1) | ATE64788T1 (es) |
DE (1) | DE3679974D1 (es) |
ES (1) | ES2023635B3 (es) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4847560A (en) * | 1986-08-15 | 1989-07-11 | Picker International, Inc. | Simultaneous multislice-multiangle images without saturation bands |
US4914392A (en) * | 1987-03-27 | 1990-04-03 | Reagents Of The University Of Minnesota | Amplitude and frequency/phase modulated pulses to achieve plane rotations of nuclear spin magnetization vectors with inhomogeneous B1 |
US4988947A (en) * | 1987-03-27 | 1991-01-29 | Regents Of The University Of Minnesota | Amplitude and frequency/phase modulated pulses to achieve plane rotations of nuclear spin magnetization vectors with inhomogeneous B1 |
JP2626736B2 (ja) * | 1987-12-28 | 1997-07-02 | 株式会社クボタ | 耐ビルドアップ性にすぐれた熱処理炉用ロール |
US4947119A (en) * | 1988-06-21 | 1990-08-07 | University Of Minnesota | Magnetic resonance imaging and spectroscopy methods |
US5150053A (en) * | 1989-07-28 | 1992-09-22 | The Board Of Trustees Of The Leland Stanford Junior University | Magnetic resonance imaging of short T2 species with improved contrast |
US5019784A (en) * | 1989-08-11 | 1991-05-28 | Regents Of The University Of Minnesota | Time symmetric pulse to uniformly rotate magnetization vectors by an arbitrary angle in the presence of large B1 inhomogeneities and resonance offsets |
DE3940633A1 (de) * | 1989-12-08 | 1991-06-13 | Spectrospin Ag | Gauss-impuls-kaskade |
JPH05300895A (ja) * | 1991-07-31 | 1993-11-16 | Hitachi Medical Corp | Mri装置における核スピンの選択励起方法 |
US5422572A (en) * | 1993-08-06 | 1995-06-06 | Toshiba America Mri, Inc. | Method and apparatus for substantially simultaneously exciting a plurality of slices in NMR imaging |
JP2001258863A (ja) * | 2000-03-10 | 2001-09-25 | Ge Medical Systems Global Technology Co Llc | Mrイメージング方法およびmri装置 |
JP4273138B2 (ja) * | 2006-06-30 | 2009-06-03 | 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 | 磁気共鳴撮像装置及び磁気共鳴受信装置 |
US7375522B2 (en) * | 2006-08-28 | 2008-05-20 | Wisconsin Alumni Research Foundation | Method for aligning multiple MR images acquired with alternating readout gradient |
US10120049B2 (en) * | 2015-05-18 | 2018-11-06 | The Johns Hopkins University | System and method of obtaining spatially-encoded NMR parameters from arbitrarily-shaped compartments and linear algebraic modeling |
DE102015219932B4 (de) * | 2015-09-30 | 2019-06-06 | Siemens Healthcare Gmbh | Beschleunigte Aufnahme von Magnetresonanzdaten |
CN109242847B (zh) * | 2018-09-20 | 2020-12-29 | 上海东软医疗科技有限公司 | 一种磁共振弥散加权成像方法和装置 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4297637A (en) * | 1978-07-20 | 1981-10-27 | The Regents Of The University Of California | Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance |
US4318043A (en) * | 1978-07-20 | 1982-03-02 | The Regents Of The University Of California | Method and apparatus for rapid NMR imaging of nuclear densities within an object |
US4458203A (en) * | 1980-12-11 | 1984-07-03 | Picker International Limited | Nuclear magnetic resonance imaging |
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 |
US4471306A (en) * | 1982-02-03 | 1984-09-11 | General Electric Company | Method of NMR imaging which overcomes T2 * effects in an inhomogeneous static magnetic field |
US4443760A (en) * | 1982-07-01 | 1984-04-17 | General Electric Company | Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging |
US4516582A (en) * | 1983-05-02 | 1985-05-14 | General Electric Company | NMR blood flow imaging |
US4549140A (en) * | 1983-06-03 | 1985-10-22 | General Electric Company | Method utilizing combined, interleaved pulse sequences for reducing motion artifacts in computed T1,T2 and M0 NMR imaging |
US4642567A (en) * | 1984-06-04 | 1987-02-10 | Indiana University Foundation | Methods for two dimensional nuclear magnetic resonance imaging |
US4665367A (en) * | 1985-08-16 | 1987-05-12 | Technicare Corporation | Multiplexed magnetic resonance imaging of volumetric regions |
-
1985
- 1985-11-07 US US06/795,914 patent/US4746863A/en not_active Expired - Lifetime
-
1986
- 1986-10-02 DE DE8686113650T patent/DE3679974D1/de not_active Expired - Lifetime
- 1986-10-02 EP EP86113650A patent/EP0229228B1/en not_active Expired - Lifetime
- 1986-10-02 ES ES86113650T patent/ES2023635B3/es not_active Expired - Lifetime
- 1986-10-02 AT AT86113650T patent/ATE64788T1/de active
- 1986-10-24 JP JP61252128A patent/JPS62112541A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS62112541A (ja) | 1987-05-23 |
EP0229228A2 (en) | 1987-07-22 |
EP0229228A3 (en) | 1988-07-20 |
EP0229228B1 (en) | 1991-06-26 |
ATE64788T1 (de) | 1991-07-15 |
JPH0432655B2 (es) | 1992-05-29 |
DE3679974D1 (de) | 1991-08-01 |
US4746863A (en) | 1988-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2023635B3 (es) | Metodo y aparato de formacion de imagenes por resonancia magnetica. | |
EP0201277A3 (en) | Magnetic resonance imaging methods and apparatus | |
DE3673860D1 (de) | Lokale sonde zur anwendung bei der bilderzeugung mittels magnetischer kernresonanz. | |
IL80813A0 (en) | Self-shielded gradient coils for nuclear magnetic resonance imaging | |
EP0124016A3 (en) | Nmr blood flow imaging | |
DE3482336D1 (de) | Geraet zur bilderzeugung mittels magnetischer kernresonanz. | |
DE3669786D1 (de) | Apparat zur bilderzeugung mittels magnetischer resonanz mit homogenisierenden magnetischen elementen. | |
DE3483014D1 (de) | Verfahren und vorrichtung zur schnellen bilderzeugung mittels magnetischer kernresonanz. | |
WO1995027906A3 (en) | Method and system for multidimensional localization and for rapid magnetic resonance spectroscopic imaging | |
DE3363523D1 (en) | Apparatus for producing images of an object under examination with nuclear magnetic resonance | |
DE3484024D1 (de) | Verfahren und vorrichtung zur bilderzeugung mittels magnetischer kernresonanz. | |
DE3773162D1 (de) | Gradientenspulen-anordnung fuer einen apparat zur bilderzeugung mittels magnetischer resonanz. | |
EP0302742A3 (en) | Methods of obtaining images representing the distribution of paramagnetic molecules in solution | |
EP0150938A3 (en) | Nuclear magnetic resonance apparatus | |
EP0372814A3 (en) | Magnetic resonance imaging system | |
DE3763258D1 (de) | Verfahren zur bilderzeugung mittels magnetischer resonanz und vorrichtung zur bestimmung des flipwinkels eines elektromagnetischen pulses hoher frequenz. | |
DE3871030D1 (de) | Verfahren und apparat zur bilderzeugung mittels magnetischer kernresonanz. | |
EP0332176A3 (en) | Magnet apparatus for use in magnetic resonance imaging system | |
EP0221530A3 (en) | Nmr flow imaging using a composite excitation field and magnetic field gradient sequence | |
EP0204569A3 (en) | Non-harmonic nmr spin echo imaging | |
DE3669783D1 (de) | Verfahren und vorrichtung zur bilderzeugung mittels magnetischer kernresonanz. | |
US4689568A (en) | NMR chemical shift imaging method | |
FI86774B (fi) | Foerfarande och anordning foer avbildning av ett omraode under anvaendande av kaernmagnetisk resonans, varvid huvudmagneten har en styrbar faeltamplitud. | |
EP0418675A3 (en) | Nuclear magnetic resonance multi-echo imaging method and apparatus | |
AU546189B2 (en) | Recording nuclear magnetic resonance |