DE3751909D1 - Schnelles Bilderzeugungssystem mittels magnetischer Kernresonanz - Google Patents
Schnelles Bilderzeugungssystem mittels magnetischer KernresonanzInfo
- Publication number
- DE3751909D1 DE3751909D1 DE3751909T DE3751909T DE3751909D1 DE 3751909 D1 DE3751909 D1 DE 3751909D1 DE 3751909 T DE3751909 T DE 3751909T DE 3751909 T DE3751909 T DE 3751909T DE 3751909 D1 DE3751909 D1 DE 3751909D1
- Authority
- DE
- Germany
- Prior art keywords
- imaging system
- magnetic resonance
- fast imaging
- fast
- resonance
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
-
- 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
- G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
- G01R33/4824—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a non-Cartesian trajectory
-
- 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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
-
- 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
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
Landscapes
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/893,793 US4748410A (en) | 1986-08-06 | 1986-08-06 | Rapid NMR imaging system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3751909D1 true DE3751909D1 (de) | 1996-10-24 |
DE3751909T2 DE3751909T2 (de) | 1997-02-06 |
Family
ID=25402101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE3751909T Expired - Fee Related DE3751909T2 (de) | 1986-08-06 | 1987-08-05 | Schnelles Bilderzeugungssystem mittels magnetischer Kernresonanz |
Country Status (4)
Country | Link |
---|---|
US (1) | US4748410A (de) |
EP (1) | EP0256779B1 (de) |
JP (1) | JPH0698124B2 (de) |
DE (1) | DE3751909T2 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62139641A (ja) * | 1985-12-16 | 1987-06-23 | 横河メディカルシステム株式会社 | Nmrイメ−ジング装置 |
JP2644744B2 (ja) * | 1987-02-04 | 1997-08-25 | 株式会社日立製作所 | Nmrスペクトロスコピックイメージング装置 |
US4833407A (en) * | 1987-06-24 | 1989-05-23 | Picker International, Inc. | Scan time reduction using conjugate symmetry and recalled echo |
US4912413A (en) * | 1987-08-14 | 1990-03-27 | Picker International, Inc. | Conjugate symmetry magnetic resonance imaging |
GB2228090B (en) * | 1989-02-01 | 1993-09-22 | Gen Electric Co Plc | Magnetic resonance methods |
GB8915090D0 (en) * | 1989-06-30 | 1989-08-23 | Cottrell Stephen P | Nuclear magnetic resonance imaging methods |
US5072182A (en) * | 1989-07-13 | 1991-12-10 | Diasonics, Inc. | Fourier shifting of voxel boundaries in MR chemical shift imaging spectroscopy |
US5233301A (en) * | 1989-07-28 | 1993-08-03 | Board Of Trustees Of The Leland Stanford Junior University | High resolution/reduced slice width magnetic resonance imaging and spectroscopy by signal combination and use of minimum phase excitation pulses |
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 |
US5025216A (en) * | 1989-07-28 | 1991-06-18 | The Board Of Trustees Of The Leland Stanford Junior University | Magnetic resonance imaging of short T2 species |
GB8918105D0 (en) * | 1989-08-08 | 1989-09-20 | Nat Res Dev | Echo planar imaging using 180grad pulses |
DE4035410C2 (de) * | 1989-11-20 | 2000-03-16 | Siemens Ag | Pulssequenz nach dem Echoplanarverfahren |
US5192909A (en) * | 1991-01-07 | 1993-03-09 | General Electric Company | Spectroscopic localization using pinwheel nmr excitation pulses |
US5243284A (en) * | 1991-07-24 | 1993-09-07 | Board Of Trustees Of The Leland Stanford Junior University | Method of magnetic resonance reconstruction imaging from projections using partial data collected in k-space |
US5270653A (en) * | 1992-04-10 | 1993-12-14 | The Board Of Trustees Of The Leland Stanford Junior University | Selective three dimensional excitation for magnetic resonance applications |
US5420803A (en) * | 1992-11-18 | 1995-05-30 | Technology Development Group, Inc. | Enhanced resolution wafer thickness measurement system |
US5349294A (en) * | 1993-05-12 | 1994-09-20 | Picker International Inc. | Two and three-dimensionally selective RF pulses for magnetic resonance imaging |
US5402067A (en) * | 1993-08-04 | 1995-03-28 | Board Of Trustees Of The Leland Stanford Junior University | Apparatus and method for rare echo imaging using k-space spiral coverage |
JP2713160B2 (ja) * | 1994-03-31 | 1998-02-16 | 株式会社島津製作所 | Mrイメージング装置 |
EP0695952A1 (de) * | 1994-08-03 | 1996-02-07 | Philips Patentverwaltung GmbH | MR-Verfahren |
US5539313A (en) * | 1995-08-04 | 1996-07-23 | Board Of Trustees Of The Leland Stanford Junior University | Full echo spiral-in/spiral-out magnetic resonance imaging |
US5652516A (en) * | 1996-01-22 | 1997-07-29 | The Board Of Trustees Of The Leland Stanford Junior University | Spectroscopic magnetic resonance imaging using spiral trajectories |
DE19814950A1 (de) * | 1998-04-03 | 1999-10-07 | Univ Ludwigs Albert | Verfahren der Kernspintomographie zur geräuschlosen Durchführung von Untersuchungen insbesondere der Hirnaktivierung |
US6281681B1 (en) | 1999-01-28 | 2001-08-28 | General Electric Company | Magnetic resonance imaging with interleaved Fibonacci spiral scanning |
DE10016234B4 (de) * | 2000-03-31 | 2006-12-14 | Siemens Ag | Verfahren zur Bildgebung mittels Kernspinresonanz bei einer gekrümmt verlaufenden K-Raum-Trajektorie |
US6411089B1 (en) * | 2000-11-22 | 2002-06-25 | Philips Medical Systems (Cleveland), Inc. | Two-dimensional phase-conjugate symmetry reconstruction for 3d spin-warp, echo-planar and echo-volume magnetic resonance imaging |
US6980846B2 (en) * | 2001-03-30 | 2005-12-27 | General Electric Company | Robust coronary MR angiography without respiratory navigation |
US6683454B2 (en) * | 2002-03-28 | 2004-01-27 | Ge Medical Systems Global Technology Company, Llc | Shifting of artifacts by reordering of k-space |
JP4509932B2 (ja) * | 2003-03-14 | 2010-07-21 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
WO2004095050A1 (en) * | 2003-04-23 | 2004-11-04 | Philips Intellectual Property & Standards Gmbh | Mr imaging method |
DE102004019394B4 (de) * | 2004-04-19 | 2008-04-03 | Forschungszentrum Jülich GmbH | Bildgebungsverfahren sowie Kernspintomograph zur Erfassung der longitudinalen Spin-Gitter Relaxationszeit |
DE102004061509B4 (de) * | 2004-12-21 | 2007-02-08 | Siemens Ag | Verfahren und Gerät zur beschleunigten Spiral-kodierten Bildgebung in der Magnetresonanztomographie |
JP5181427B2 (ja) * | 2005-04-14 | 2013-04-10 | 東京電力株式会社 | 位相・振幅検出装置および方法 |
FR2898685A1 (fr) * | 2006-03-14 | 2007-09-21 | Centre Nat Rech Scient | Traitement d'image obtenue par resonance magnetique a bandes passantes variables |
EP1995604B1 (de) * | 2007-05-21 | 2009-11-04 | Soemar Emid | Schnelles, geräuscharmes Echtzeitverfahren der bildgebenden magnetischen Resonanz mit hoher Auflösung |
US10429469B2 (en) * | 2012-04-11 | 2019-10-01 | Dignity Health | System and method for magnetic resonance imaging using three-dimensional, distributed, non-Cartesian sampling trajectories |
US10996299B2 (en) * | 2018-08-22 | 2021-05-04 | General Electric Company | Systems and methods for waveform optimization for oblique scans |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4307343A (en) * | 1979-08-20 | 1981-12-22 | General Electric Company | Moving gradient zeugmatography |
JPS59105548A (ja) * | 1982-12-09 | 1984-06-18 | Yokogawa Hokushin Electric Corp | 核磁気共鳴による検査方法及び検査装置 |
US4602641A (en) * | 1983-08-15 | 1986-07-29 | The Regents Of The University Of California | Method and apparatus for NMR detection and imaging of flowing fluid nuclei |
US4642567A (en) * | 1984-06-04 | 1987-02-10 | Indiana University Foundation | Methods for two dimensional nuclear magnetic resonance imaging |
US4707660A (en) * | 1984-09-10 | 1987-11-17 | U.S. Philips Corporation | Fast method and device for determining an NMR distribution in a region of a body |
NL8402959A (nl) * | 1984-09-28 | 1986-04-16 | Philips Nv | Snelle werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam. |
US4651096A (en) * | 1985-02-19 | 1987-03-17 | Resonex | Imaging method for nuclear magnetic resonance utilizing balanced gradient fields |
JPH0714387B2 (ja) * | 1985-10-16 | 1995-02-22 | 株式会社日立製作所 | 核磁気共鳴を用いた磁化分布の計測方法 |
US4727325A (en) * | 1985-10-16 | 1988-02-23 | Hitachi, Ltd. | NMR imaging method |
JPH0741033B2 (ja) * | 1986-03-31 | 1995-05-10 | 株式会社島津製作所 | Mriデ−タ収集法 |
-
1986
- 1986-08-06 US US06/893,793 patent/US4748410A/en not_active Expired - Lifetime
-
1987
- 1987-08-05 EP EP87306950A patent/EP0256779B1/de not_active Expired - Lifetime
- 1987-08-05 DE DE3751909T patent/DE3751909T2/de not_active Expired - Fee Related
- 1987-08-06 JP JP62197246A patent/JPH0698124B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0698124B2 (ja) | 1994-12-07 |
DE3751909T2 (de) | 1997-02-06 |
EP0256779B1 (de) | 1996-09-18 |
US4748410A (en) | 1988-05-31 |
EP0256779A2 (de) | 1988-02-24 |
EP0256779A3 (de) | 1990-01-17 |
JPS63119745A (ja) | 1988-05-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |