DE69735748D1 - Digitale subtrahierungs-angiographie mittels magnetische resonanz mit unterdrückung von bildartefakten - Google Patents
Digitale subtrahierungs-angiographie mittels magnetische resonanz mit unterdrückung von bildartefaktenInfo
- Publication number
- DE69735748D1 DE69735748D1 DE69735748T DE69735748T DE69735748D1 DE 69735748 D1 DE69735748 D1 DE 69735748D1 DE 69735748 T DE69735748 T DE 69735748T DE 69735748 T DE69735748 T DE 69735748T DE 69735748 D1 DE69735748 D1 DE 69735748D1
- Authority
- DE
- Germany
- Prior art keywords
- pictorial
- suppression
- factors
- magnetic resonance
- digital subtraction
- 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
- G01R33/54—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
-
- 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
-
- 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
- G01R33/281—Means for the use of in vitro contrast agents
-
- 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
- G01R33/5619—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 by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US686795 | 1991-04-17 | ||
US08/686,795 US5881728A (en) | 1996-07-26 | 1996-07-26 | Digital subtraction magnetic resonance angiography with image artifact suppression |
PCT/US1997/001781 WO1998004928A1 (en) | 1996-07-26 | 1997-02-03 | Digital subtraction magnetic resonance angiography with image artifact suppression |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69735748D1 true DE69735748D1 (de) | 2006-06-01 |
DE69735748T2 DE69735748T2 (de) | 2006-12-28 |
Family
ID=24757798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69735748T Expired - Lifetime DE69735748T2 (de) | 1996-07-26 | 1997-02-03 | Digitale subtrahierungs-angiographie mittels magnetische resonanz mit unterdrückung von bildartefakten |
Country Status (6)
Country | Link |
---|---|
US (1) | US5881728A (de) |
EP (1) | EP0852731B1 (de) |
JP (1) | JP3130320B2 (de) |
AU (1) | AU2257497A (de) |
DE (1) | DE69735748T2 (de) |
WO (1) | WO1998004928A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6043654A (en) * | 1997-11-14 | 2000-03-28 | Picker International, Inc. | Multi-volume slicing and interleaved phase-encoding acquisition for 3 D fast spin echo (FSE) |
US6195579B1 (en) * | 1998-12-18 | 2001-02-27 | Wisconsin Alumni Research Foundation | Contrast detection and guided reconstruction in contrast-enhanced magnetic resonance angiography |
US6259940B1 (en) * | 1999-04-28 | 2001-07-10 | Mayo Foundation For Medical Education And Research | Method of performing magnetic resonance angiography using two-dimensional imaging and de-rated gradients |
WO2000065995A1 (fr) * | 1999-04-30 | 2000-11-09 | Hitachi Medical Corporation | Procede d'imagerie par resonance magnetique et dispositif connexe |
WO2001073462A1 (en) * | 2000-03-27 | 2001-10-04 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging method for imaging time-dependent contrast |
WO2002010789A1 (en) * | 2000-07-31 | 2002-02-07 | Koninklijke Philips Electronics N.V. | Magnetic resonance method and apparatus |
US7167740B2 (en) | 2000-12-04 | 2007-01-23 | Hitachi Medical Corporation | Measuring method in magnetic resonance imaging device and magnetic resonance imaging device |
US6725077B1 (en) * | 2000-12-29 | 2004-04-20 | Ge Medical Systems Global Technology Company, Llc | Apparatus and method for just-in-time localization image acquisition |
US20030060731A1 (en) * | 2001-01-26 | 2003-03-27 | Fleischhacker Mark G. | Non-metallic guide wire |
DE10119660B4 (de) * | 2001-04-20 | 2006-01-05 | Siemens Ag | Verfahren zur schnellen Gewinnung eines Magnetresonanzbildes |
US20030065490A1 (en) * | 2001-09-27 | 2003-04-03 | Lowry David F. | System and technique for interrogation of an object |
DE10147919A1 (de) * | 2001-09-28 | 2003-04-30 | Siemens Ag | Verfahren zur Erzeugung von Bilddaten mittels magnetischer Resonanz |
US6728569B2 (en) | 2001-10-25 | 2004-04-27 | Evanston Northwestern Healthcare Corp. | Scoutless whole-body imaging with fast positioning |
DE10161925B4 (de) * | 2001-12-17 | 2005-08-18 | Siemens Ag | Verfahren zum Aufnehmen von Magnetresonanzsignalen eines Objekts mittels einer Magnetresonanzanlage und Rekonstruieren eines Bildes anhand der aufgenommenen Magnetresonanzsignale, sowie Computerprogrammprodukt und Magnetresonanzanlage |
AU2003234310A1 (en) * | 2002-05-01 | 2003-11-17 | The Brigham And Women's Hospital, Inc. | Variable k-space-density parallel magnetic resonance imaging |
EP1601987A1 (de) * | 2003-03-03 | 2005-12-07 | Koninklijke Philips Electronics N.V. | Magnetresonanzabbildungsverfahren |
DE10353342B4 (de) * | 2003-11-14 | 2008-07-17 | Siemens Ag | Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren |
JP4434753B2 (ja) * | 2004-01-13 | 2010-03-17 | 株式会社東芝 | 磁気共鳴イメージング装置および磁気共鳴イメージング収集データの処理方法 |
DE102004043809B4 (de) * | 2004-09-08 | 2008-01-24 | Charité-Universitätsmedizin Berlin | Verfahren zum Kalibrieren einer kontrastmittelgestützten Perfusionsbildgebung |
JP4699739B2 (ja) * | 2004-10-28 | 2011-06-15 | 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 | Mri装置 |
JP4807822B2 (ja) * | 2005-05-11 | 2011-11-02 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US20070055138A1 (en) * | 2005-08-22 | 2007-03-08 | Edelman Robert R | Accelerated whole body imaging with spatially non-selective radio frequency pulses |
JP4964450B2 (ja) * | 2005-10-18 | 2012-06-27 | 譲二 中川原 | 画像処理方法、画像処理プログラム、及び画像処理装置 |
US20080150942A1 (en) * | 2006-10-13 | 2008-06-26 | Calgary Scientific Inc. | Visualization of volumetric medical imaging data |
US8214013B2 (en) * | 2007-01-26 | 2012-07-03 | Mayo Foundation For Medical Education And Research | Accelerated shells trajectory MRI acquisition |
JP2011507584A (ja) * | 2007-12-20 | 2011-03-10 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 身体及び体輪郭の3次元再構成 |
US20100145185A1 (en) * | 2008-12-04 | 2010-06-10 | Xiaole Hong | Extending the resolution of mri data by combining subsets from plural image acquisitions |
US8890522B2 (en) | 2010-04-02 | 2014-11-18 | General Electric Company | Accelerated pseudo-random data magnetic resonance imaging system and method |
US8738113B2 (en) | 2010-09-30 | 2014-05-27 | University Of Utah Research Foundation | Retrospectively correlated turbo spin echo imaging |
JP6077120B2 (ja) * | 2012-08-27 | 2017-02-08 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | ダイナミック造影mri用の適応するキーホール圧縮 |
DE102012107926A1 (de) * | 2012-08-28 | 2014-05-28 | Digital Medics Gmbh | Verfahren und Vorrichtung zur Ermittlung einer Kontrastmittelanreicherung |
US10670678B2 (en) | 2015-06-15 | 2020-06-02 | Koninklijke Philips N.V. | MR imaging using stack-of stars acquisition |
KR101744424B1 (ko) * | 2015-12-24 | 2017-06-08 | (의료)길의료재단 | Mra 영상을 이용하여 관류 특성 확인용 추가 영상을 얻기 위한 방법 및 시스템 |
DE102016202663A1 (de) | 2016-02-22 | 2017-08-24 | Siemens Healthcare Gmbh | MRT-Vorschau |
US9786069B2 (en) * | 2016-03-07 | 2017-10-10 | Siemens Healthcare Gmbh | Refined reconstruction of time-varying data |
CN107993271A (zh) * | 2017-12-26 | 2018-05-04 | 上海交通大学 | 一种磁共振动态成像采样方法和图像重建方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204226A (en) * | 1978-05-16 | 1980-05-20 | Wisconsin Alumni Research Foundation | Real-time digital X-ray time interval difference imaging |
US4204225A (en) * | 1978-05-16 | 1980-05-20 | Wisconsin Alumni Research Foundation | Real-time digital X-ray subtraction imaging |
DE3603579A1 (de) * | 1986-02-06 | 1987-08-13 | Henkel Kgaa | Verwendung ethoxylierter fettamine als loesungsvermittler |
JPH0634785B2 (ja) * | 1988-02-05 | 1994-05-11 | 株式会社日立メディコ | 核磁気共鳴イメージング装置 |
JPH02140145A (ja) * | 1988-11-21 | 1990-05-29 | Toshiba Corp | 磁気共鳴イメージング装置 |
US5190744A (en) * | 1990-03-09 | 1993-03-02 | Salutar | Methods for detecting blood perfusion variations by magnetic resonance imaging |
US5348011A (en) * | 1991-11-14 | 1994-09-20 | Picker International, Inc. | Shared excitation phase encode grouping for improved throughput cardiac gated MRI cine imaging |
US5522390A (en) * | 1991-11-21 | 1996-06-04 | U.S. Philips Corporation | Magnetic resonance imaging method |
US5417213A (en) * | 1993-06-07 | 1995-05-23 | Prince; Martin R. | Magnetic resonance arteriography with dynamic intravenous contrast agents |
US5377680A (en) * | 1993-08-04 | 1995-01-03 | General Electric Company | MRI cardiac image produced by temporal data sharing |
US5451876A (en) * | 1993-10-18 | 1995-09-19 | General Electric Company | MRI system with dynamic receiver gain |
US5685305A (en) * | 1994-08-05 | 1997-11-11 | The United States Of America As Represented By The Department Of Health And Human Services | Method and system for MRI detection of abnormal blood flow |
-
1996
- 1996-07-26 US US08/686,795 patent/US5881728A/en not_active Expired - Lifetime
-
1997
- 1997-02-03 DE DE69735748T patent/DE69735748T2/de not_active Expired - Lifetime
- 1997-02-03 AU AU22574/97A patent/AU2257497A/en not_active Abandoned
- 1997-02-03 EP EP97905750A patent/EP0852731B1/de not_active Expired - Lifetime
- 1997-02-03 WO PCT/US1997/001781 patent/WO1998004928A1/en active IP Right Grant
- 1997-02-03 JP JP10508762A patent/JP3130320B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5881728A (en) | 1999-03-16 |
AU2257497A (en) | 1998-02-20 |
EP0852731B1 (de) | 2006-04-26 |
DE69735748T2 (de) | 2006-12-28 |
WO1998004928A1 (en) | 1998-02-05 |
EP0852731A1 (de) | 1998-07-15 |
JPH10512482A (ja) | 1998-12-02 |
JP3130320B2 (ja) | 2001-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69735748D1 (de) | Digitale subtrahierungs-angiographie mittels magnetische resonanz mit unterdrückung von bildartefakten | |
DE69709425D1 (de) | Dreidimensionale digitale Subtraktions-Angiographie mittels magnetischer Resonanz | |
DE69130108T2 (de) | Abbildung mittels magnetischer Resonanz | |
DE69325255T2 (de) | Verbesserungen an Magneten der Bilderzeugung mittels magnetischer Resonanz | |
DE69419096T2 (de) | Verbesserungen an Magneten der Bilderzeugung mittels magnetischer Resonanz | |
DE69319090T2 (de) | Verbesserungen an Magneten der Bilderzeugung mittels magnetischer Resonanz | |
DE69316837T2 (de) | Apparat mittels magnetischer Resonanz mit Lärmunterdrückung | |
DE69128770D1 (de) | Magnetplatteneinheit | |
DK239490D0 (da) | Kontrastmidler til magnetisk resonansafbildning | |
DE69226477D1 (de) | Magnet mit offenem Zutritt zur Bilderzeugung mittels magnetischer Resonanz | |
DE68907278D1 (de) | Supraleitender magnetresonanz-magnet. | |
DE69332215D1 (de) | Bilderzeugung mittels magnetischer Resonanz | |
DE69531425D1 (de) | Magnet zur Bilderzeugung mittels magnetischer Resonanz | |
DE69029692D1 (de) | Magnetresonanzabbildung | |
DE69526290T2 (de) | Magnet zur Bilderzeugung mittels magnetischer Resonanz | |
DE69330928D1 (de) | Apparat mittels magnetischer Resonanz | |
DE69229008D1 (de) | Bilderzeugung mittels magnetischer Resonanz von Untersuchungsarten mit kurzer T2 mit verbessertem Kontrast | |
DE69124579D1 (de) | Magnetisches Aufzeichnungsgerät | |
DE69129362T2 (de) | Bilderzeugung mittels magnetischer Resonanz | |
DE69317943T2 (de) | Diagnostik-Anlage mittels magnetischer Kernresonanz | |
DE69225564D1 (de) | Magnetische Resonanzanordnung | |
DE69100784D1 (de) | Magnetometer mittels magnetischer Resonanz und mit Multiplex-Erregerwicklungen. | |
KR920008992U (ko) | 자력을 가진 침 | |
KR970008036U (ko) | 영구자석이 형성된 남비 | |
KR920006947U (ko) | 연속착자마그네트 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |