JP4980013B2 - 核磁気共鳴装置 - Google Patents
核磁気共鳴装置 Download PDFInfo
- Publication number
- JP4980013B2 JP4980013B2 JP2006246707A JP2006246707A JP4980013B2 JP 4980013 B2 JP4980013 B2 JP 4980013B2 JP 2006246707 A JP2006246707 A JP 2006246707A JP 2006246707 A JP2006246707 A JP 2006246707A JP 4980013 B2 JP4980013 B2 JP 4980013B2
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- JP
- Japan
- Prior art keywords
- pulse
- computer
- segment
- imaging
- data
- 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
- 238000005481 NMR spectroscopy Methods 0.000 title 1
- 238000003384 imaging method Methods 0.000 claims description 48
- 230000001629 suppression Effects 0.000 claims description 14
- 230000005415 magnetization Effects 0.000 claims description 5
- 238000002583 angiography Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 3
- 238000000079 presaturation Methods 0.000 claims description 2
- 238000004590 computer program Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 30
- 238000000034 method Methods 0.000 description 19
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 210000004204 blood vessel Anatomy 0.000 description 3
- 210000003462 vein Anatomy 0.000 description 3
- 210000001367 artery Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002595 magnetic resonance imaging Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
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- 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
-
- 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
-
- 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
- G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging
-
- 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
- G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
-
- 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
- G01R33/4838—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective suppression or saturation of MR signals
-
- 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
- G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
-
- 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
- G01R33/5605—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by transferring coherence or polarization from a spin species to another, e.g. creating magnetization transfer contrast [MTC], polarization transfer using nuclear Overhauser enhancement [NOE]
-
- 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
- G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood imaging
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/162,848 | 2005-09-26 | ||
| US11/162,848 US7330028B2 (en) | 2005-09-26 | 2005-09-26 | Apparatus and method of simultaneous fat suppression, magnetization transfer contrast, and spatial saturation for 3D time-of-flight imaging |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007090061A JP2007090061A (ja) | 2007-04-12 |
| JP2007090061A5 JP2007090061A5 (enExample) | 2009-10-15 |
| JP4980013B2 true JP4980013B2 (ja) | 2012-07-18 |
Family
ID=37893055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006246707A Expired - Fee Related JP4980013B2 (ja) | 2005-09-26 | 2006-09-12 | 核磁気共鳴装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7330028B2 (enExample) |
| JP (1) | JP4980013B2 (enExample) |
| NL (1) | NL1032544C2 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7635977B2 (en) * | 2006-04-06 | 2009-12-22 | Catholic Healthcare West, California Nonprofit Public Benefit Corporation | MR imaging with an RF pulse producing reduced magnetization transfer |
| DE102007037657B4 (de) * | 2007-08-09 | 2009-05-14 | Siemens Ag | Verfahren zur k-Raum-Aufteilung bei der Aufzeichnung von Messdaten mittels Magnet- Resonanz- Technik und Magnet- Resonanz- Gerät |
| US8068655B2 (en) * | 2007-10-02 | 2011-11-29 | Siemens Aktiengesellschaft | Method and system for vessel enhancement and artifact reduction in TOF MR angiography of brain |
| US10324033B2 (en) | 2012-07-20 | 2019-06-18 | Samsung Electronics Co., Ltd. | Image processing apparatus and method for correcting an error in depth |
| US9322894B2 (en) | 2012-08-07 | 2016-04-26 | General Electric Company | Multiple excitation blade acquisition for motion correction in magnetic resonance imaging |
| IN2013KO01322A (enExample) * | 2013-11-22 | 2015-05-29 | Siemens Medical Solutions | |
| US10203388B2 (en) * | 2016-01-04 | 2019-02-12 | Toshiba Medical Systems Corporation | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
| US10684343B2 (en) * | 2017-05-31 | 2020-06-16 | Canon Medical Systems Corporation | Magnetic resonance imaging apparatus and magnetic resonance imaging method |
| CN109330594B (zh) * | 2018-08-24 | 2022-05-27 | 上海联影医疗科技股份有限公司 | 获取饱和带的参数的方法、波谱成像方法、系统和介质 |
| US10871537B1 (en) * | 2019-06-19 | 2020-12-22 | GE Precision Healthcare LLC | Systems and methods for background suppression in time-of-flight magnetic resonance angiography |
| DE102021201676A1 (de) * | 2021-02-23 | 2022-08-25 | Siemens Healthcare Gmbh | Korrektur von TOF-MR-Daten |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560360A (en) * | 1992-03-09 | 1996-10-01 | University Of Washington | Image neurography and diffusion anisotropy imaging |
| US5339035A (en) * | 1993-05-07 | 1994-08-16 | General Electric Company | MR imaging with rectangular magnetization transfer pulse |
| US5579767A (en) * | 1993-06-07 | 1996-12-03 | Prince; Martin R. | Method for imaging abdominal aorta and aortic aneurysms |
| US5644646A (en) * | 1994-08-05 | 1997-07-01 | University Of Utah Research Foundation | Vessel enhancement filtering in magnetic resonance angiography |
| US5786693A (en) * | 1996-04-26 | 1998-07-28 | Picker International, Inc. | Batch multi-volume angiography using magnetic resonance imaging |
| US6674894B1 (en) * | 1999-04-20 | 2004-01-06 | University Of Utah Research Foundation | Method and apparatus for enhancing an image using data optimization and segmentation |
| US6310479B1 (en) * | 1999-08-20 | 2001-10-30 | General Electric Company | Magnetic resonance projection imaging of dynamic subjects |
| JP4473389B2 (ja) * | 1999-12-20 | 2010-06-02 | 東芝医用システムエンジニアリング株式会社 | 磁気共鳴映像装置 |
| US7003144B2 (en) * | 2000-02-11 | 2006-02-21 | The United States Of America As Represented By The Department Of Health And Human Services | Vessel delineation in magnetic resonance angiographic images |
| EP1390079A2 (en) * | 2000-11-20 | 2004-02-25 | Board of Regents University of Texas System | Paramagnetic metal ion-based macrocylic contrast agents |
| US6639211B1 (en) * | 2000-11-22 | 2003-10-28 | Koninklijke Philips Electronics, N.V. | Contrast-enhanced MRA including an effective zero-latency method of bolus detection |
| JP3995542B2 (ja) * | 2002-06-28 | 2007-10-24 | 東芝医用システムエンジニアリング株式会社 | 磁気共鳴イメージング装置及び磁気共鳴イメージングのデータ収集方法 |
| JP4136783B2 (ja) * | 2003-05-12 | 2008-08-20 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
-
2005
- 2005-09-26 US US11/162,848 patent/US7330028B2/en not_active Expired - Lifetime
-
2006
- 2006-09-12 JP JP2006246707A patent/JP4980013B2/ja not_active Expired - Fee Related
- 2006-09-20 NL NL1032544A patent/NL1032544C2/nl not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL1032544A1 (nl) | 2007-03-27 |
| US7330028B2 (en) | 2008-02-12 |
| JP2007090061A (ja) | 2007-04-12 |
| US20070069724A1 (en) | 2007-03-29 |
| NL1032544C2 (nl) | 2009-09-24 |
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