DE69225832T2 - Kernspinnresonanzverfahren und Anordnung zur Bewegungsüberwachung an einem Teil eines Objekts - Google Patents
Kernspinnresonanzverfahren und Anordnung zur Bewegungsüberwachung an einem Teil eines ObjektsInfo
- Publication number
- DE69225832T2 DE69225832T2 DE69225832T DE69225832T DE69225832T2 DE 69225832 T2 DE69225832 T2 DE 69225832T2 DE 69225832 T DE69225832 T DE 69225832T DE 69225832 T DE69225832 T DE 69225832T DE 69225832 T2 DE69225832 T2 DE 69225832T2
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- magnetic resonance
- nuclear magnetic
- resonance method
- motion monitoring
- 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
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
- G01R33/56308—Characterization of motion or flow; Dynamic imaging
- G01R33/56333—Involving spatial modulation of the magnetization within an imaged region, e.g. spatial modulation of magnetization [SPAMM] tagging
-
- 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
- G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
- G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
-
- 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
- G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
- G01R33/5617—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using RF refocusing, e.g. RARE
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Physiology (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Power Engineering (AREA)
- Pulmonology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91200762 | 1991-04-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69225832D1 DE69225832D1 (de) | 1998-07-16 |
DE69225832T2 true DE69225832T2 (de) | 1998-12-24 |
Family
ID=8207583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69225832T Expired - Fee Related DE69225832T2 (de) | 1991-04-02 | 1992-03-30 | Kernspinnresonanzverfahren und Anordnung zur Bewegungsüberwachung an einem Teil eines Objekts |
Country Status (4)
Country | Link |
---|---|
US (1) | US5275163A (de) |
EP (1) | EP0507392B1 (de) |
JP (1) | JP3287416B2 (de) |
DE (1) | DE69225832T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3146033B2 (ja) * | 1991-11-05 | 2001-03-12 | 株式会社東芝 | 磁気共鳴イメージング装置 |
AU7837898A (en) | 1997-06-12 | 1998-12-30 | Johns Hopkins University School Of Medicine, The | Method for measuring myocardial motion and the like |
US6453187B1 (en) | 1998-08-10 | 2002-09-17 | The Johns Hopkins University | Method of employing angle images for measuring object motion in tagged magnetic resonance imaging |
US6721589B1 (en) * | 1999-11-30 | 2004-04-13 | General Electric Company | Rapid three-dimensional magnetic resonance tagging for studying material deformation and strain |
US6597935B2 (en) | 2000-02-10 | 2003-07-22 | The Johns Hopkins University | Method for harmonic phase magnetic resonance imaging |
EP1317675B1 (de) * | 2000-09-12 | 2007-05-09 | Koninklijke Philips Electronics N.V. | Magnetisches resonanzverfahren |
WO2002037416A2 (en) * | 2000-10-31 | 2002-05-10 | Koninklijke Philips Electronics N.V. | Method and system for tag detection and tracking in mri tagged images |
US7047060B1 (en) * | 2001-11-26 | 2006-05-16 | Koninklijke Philips Electronics N.V. | Multiple preparatory excitations and readouts distributed over the cardiac cycle |
US7495438B2 (en) * | 2005-05-04 | 2009-02-24 | John Hopkins University | Three dimensional magnetic resonance motion estimation on a single image plane |
US9176211B2 (en) * | 2008-01-09 | 2015-11-03 | Washington University | Method for quantitatively mapping myocardial contractile function with magnetic resonance based multiparametric strain analysis |
WO2010144405A2 (en) * | 2009-06-08 | 2010-12-16 | Surgivision, Inc. | Mri-guided surgical systems with proximity alerts |
EP2442718B1 (de) | 2009-06-16 | 2018-04-25 | MRI Interventions, Inc. | Mri-geführte vorrichtungen und mri-geführte eingriffssysteme, die dynamische visualisierungen der vorrichtungen in fast-echtzeit nachverfolgen und generieren können |
WO2013040546A1 (en) * | 2011-09-16 | 2013-03-21 | University Of Pittsburgh - Of The Commonwealth | Noncontact electrophysiological measurement and imaging of the heart |
WO2015084446A1 (en) * | 2013-12-04 | 2015-06-11 | General Electric Company | Detection of motion in dynamic medical images |
IN2013CH05587A (de) | 2013-12-04 | 2015-06-12 | Gen Electric | |
WO2016081677A1 (en) * | 2014-11-19 | 2016-05-26 | The Johns Hopkins University | A steady pulsed imaging and labeling scheme for non-invasive perfusion |
CN105701846B (zh) * | 2014-11-27 | 2019-01-15 | 东芝医疗系统株式会社 | 医学图像处理装置和方法以及医学成像设备 |
DE102015206874B4 (de) * | 2015-04-16 | 2017-04-13 | Siemens Healthcare Gmbh | Zeitaufgelöste MR-Abbildungen bei zyklischer Bewegung |
JP7233902B2 (ja) * | 2018-11-30 | 2023-03-07 | 慶應義塾 | 磁気共鳴イメージング方法及び磁気共鳴イメージング装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4777957A (en) * | 1985-06-14 | 1988-10-18 | General Electric Company | Method for measuring and imaging fluid flow |
US4953554A (en) * | 1988-03-04 | 1990-09-04 | Resonex, Inc. | Magnetic resonance imaging method |
JP2646663B2 (ja) * | 1988-06-07 | 1997-08-27 | 株式会社日立製作所 | 動体イメージング方法およびその装置 |
US5054489A (en) * | 1988-10-06 | 1991-10-08 | The Trustees Of The University Of Pennsylvania | Magnetic resonance imaging using spatial modulation of magnetization |
HU213190B (en) * | 1990-08-17 | 1997-03-28 | Univ Pennsylvania | Method and magnetic resonance based apparatus for determining movement inside of a part of examined person without surgical operation |
-
1992
- 1992-03-30 EP EP92200885A patent/EP0507392B1/de not_active Expired - Lifetime
- 1992-03-30 DE DE69225832T patent/DE69225832T2/de not_active Expired - Fee Related
- 1992-03-30 US US07/859,749 patent/US5275163A/en not_active Expired - Lifetime
- 1992-04-02 JP JP08102892A patent/JP3287416B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05115458A (ja) | 1993-05-14 |
US5275163A (en) | 1994-01-04 |
EP0507392A2 (de) | 1992-10-07 |
EP0507392B1 (de) | 1998-06-10 |
EP0507392A3 (en) | 1993-06-23 |
DE69225832D1 (de) | 1998-07-16 |
JP3287416B2 (ja) | 2002-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |