ATE504007T1 - Schnelle magnetresonanzbildgebung unter verwendung radialer projektionen - Google Patents
Schnelle magnetresonanzbildgebung unter verwendung radialer projektionenInfo
- Publication number
- ATE504007T1 ATE504007T1 AT98962092T AT98962092T ATE504007T1 AT E504007 T1 ATE504007 T1 AT E504007T1 AT 98962092 T AT98962092 T AT 98962092T AT 98962092 T AT98962092 T AT 98962092T AT E504007 T1 ATE504007 T1 AT E504007T1
- Authority
- AT
- Austria
- Prior art keywords
- imaged
- magnetic resonance
- resonance imaging
- radial projections
- fast magnetic
- Prior art date
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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- High Energy & Nuclear Physics (AREA)
- Signal Processing (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6943097P | 1997-12-12 | 1997-12-12 | |
US8140998P | 1998-04-10 | 1998-04-10 | |
PCT/US1998/026523 WO1999030179A2 (en) | 1997-12-12 | 1998-12-11 | Rapid acquisition magnetic resonance imaging using radial projections |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE504007T1 true ATE504007T1 (de) | 2011-04-15 |
Family
ID=26750053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98962092T ATE504007T1 (de) | 1997-12-12 | 1998-12-11 | Schnelle magnetresonanzbildgebung unter verwendung radialer projektionen |
Country Status (8)
Country | Link |
---|---|
US (1) | US6630828B1 (de) |
EP (1) | EP1047951B1 (de) |
JP (1) | JP4646011B2 (de) |
AT (1) | ATE504007T1 (de) |
AU (1) | AU1725399A (de) |
CA (1) | CA2313006C (de) |
DE (1) | DE69842209D1 (de) |
WO (1) | WO1999030179A2 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3853585B2 (ja) * | 2000-10-11 | 2006-12-06 | 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 |
US6671536B2 (en) * | 2001-09-25 | 2003-12-30 | Wisconsin Alumni Research Foundation | Magnetic resonance angiography using floating table projection imaging |
US6972565B2 (en) * | 2001-12-27 | 2005-12-06 | Kabushiki Kaisha Toshiba | System, method and apparatus for MRI maintenance and support |
AU2003212591A1 (en) * | 2002-04-08 | 2003-10-20 | Koninklijke Philips Electronics N.V. | Data-processing to form a compound object data set from a plurality of basis datasets |
US6957097B2 (en) * | 2002-04-17 | 2005-10-18 | The Board Of Trustees Of The Leland Stanford Junior University | Rapid measurement of time-averaged blood flow using ungated spiral phase-contrast MRI |
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 |
US7603156B2 (en) * | 2003-07-02 | 2009-10-13 | Ge Medical Systems Global Technology Co., Llc | Systems and methods for phase encode placement |
US7330027B2 (en) * | 2003-07-02 | 2008-02-12 | Universitat Zurich | System and method of magnetic resonance imaging for producing successive magnetic resonance images |
DE10337932B4 (de) * | 2003-08-18 | 2009-02-05 | Siemens Ag | Gerät und Verfahren zur Minimierung von Streifenartefakten bei radialer oder spiralförmiger k-Raum-Abtastung in der Magnetresonanzbildgebung |
JP4504974B2 (ja) * | 2004-03-04 | 2010-07-14 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
JP2007536970A (ja) * | 2004-05-14 | 2007-12-20 | 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 | k空間中心のオーバーサンプリングを伴う非デカルト軌道を含むコントラスト・プリパレーションされたMRI |
US7023207B1 (en) * | 2005-02-16 | 2006-04-04 | General Electric Company | Method and system of MR imaging with reduced radial ripple artifacts |
DE102005019214B4 (de) * | 2005-04-25 | 2007-01-11 | Siemens Ag | Kalibrier-Verfahren zur artefaktreduzierten MRT-Bildgebung bei Verschiebung des FOV sowie Computersoftwareprodukt |
WO2007008532A1 (en) * | 2005-07-08 | 2007-01-18 | Wisconsin Alumni Research Foundation | Constrained backprojection reconstruction method for undersampled mri |
US7285954B2 (en) * | 2005-09-14 | 2007-10-23 | The United States Of America As Represented By The Secretary Of The Department Of Health And Human Services | Imaging and reconstruction of partial field of view in phase contrast MRI |
EP1927011A1 (de) * | 2005-09-22 | 2008-06-04 | Wisconsin Alumni Research Foundation | Stark eingeschränkte rückprojektionskonstruktion bei diffusionsbewerteter mri |
EP1927009A1 (de) * | 2005-09-22 | 2008-06-04 | Wisconsin Alumni Research Foundation | Rekonstruktion von bildern des schlagenden herzens mit einer stark eingeschränkten rückprojektion |
EP1927008A1 (de) * | 2005-09-22 | 2008-06-04 | Wisconsin Alumni Research Foundation | Stark beschränkte rückprojektionskonstruktion bei der mr-spektroskopie |
WO2007037951A2 (en) * | 2005-09-22 | 2007-04-05 | Wisconsin Alumni Research Foundation | Reconstruction of motion encoded mr images involving a highly constrained backprojection |
JP5123192B2 (ja) * | 2005-09-22 | 2013-01-16 | ウイスコンシン アラムナイ リサーチ ファウンデーシヨン | 機能的磁気共鳴イメージング用の、画像の取得及び再構成の方法 |
JP4717573B2 (ja) * | 2005-09-26 | 2011-07-06 | 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 |
US7309984B2 (en) | 2005-10-27 | 2007-12-18 | Wisconsin Alumni Research Foundation | Parallel magnetic resonance imaging method using a radial acquisition trajectory |
JP2007275481A (ja) * | 2006-04-12 | 2007-10-25 | Hitachi Medical Corp | 磁気共鳴イメージング装置 |
JP5278903B2 (ja) * | 2006-04-14 | 2013-09-04 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び傾斜磁場コイル |
US8345945B2 (en) * | 2006-04-21 | 2013-01-01 | The Trustees Of The University Of Pennsylvania | Motion artifact compensation |
US8219176B2 (en) * | 2007-03-08 | 2012-07-10 | Allegheny-Singer Research Institute | Single coil parallel imaging |
US7541808B2 (en) * | 2007-04-11 | 2009-06-02 | Allegheny-Singer Research Institute | Rapid MRI dynamic imaging using MACH |
JP2009056072A (ja) * | 2007-08-31 | 2009-03-19 | Ge Medical Systems Global Technology Co Llc | Mri装置 |
CN101470178B (zh) * | 2007-12-29 | 2013-06-05 | 西门子(中国)有限公司 | 一种抑制残余运动伪影的方法及装置 |
US8688193B2 (en) * | 2008-06-26 | 2014-04-01 | Allegheny-Singer Research Institute | Magnetic resonance imager, method and program which continuously applies steady-state free precession to k-space |
US7816916B2 (en) * | 2008-09-15 | 2010-10-19 | Siemens Aktiengesellschaft | Magnetic resonance imaging method using a parallel imaging technique combined with a zoomed acquisition technique |
US8131046B2 (en) * | 2008-10-29 | 2012-03-06 | Allegheny-Singer Research Institute | Magnetic resonance imager using cylindrical offset region of excitation, and method |
US8198892B2 (en) * | 2009-04-22 | 2012-06-12 | Allegheny-Singer Research Institute | Steady-state-free-precession (SSFP) magnetic resonance imaging (MRI) and method |
US8768095B2 (en) * | 2009-08-14 | 2014-07-01 | General Electric Company | System and method for processing data signals |
US8274284B2 (en) * | 2009-10-06 | 2012-09-25 | Northshore University Healthsystem | Parallel-accelerated complex subtraction MRI |
US8405394B2 (en) * | 2009-10-20 | 2013-03-26 | Allegheny-Singer Research Institute | Targeted acquisition using holistic ordering (TACHO) approach for high signal to noise imaging |
US20110215805A1 (en) * | 2010-03-03 | 2011-09-08 | Allegheny-Singer Research Institute | MRI and method using multi-slice imaging |
US8970217B1 (en) | 2010-04-14 | 2015-03-03 | Hypres, Inc. | System and method for noise reduction in magnetic resonance imaging |
DE102011007847B4 (de) * | 2011-04-21 | 2013-02-21 | Siemens Aktiengesellschaft | Dynamische Anpassung eines Dephasierungsgradientenpaares |
DE102011078273B4 (de) * | 2011-06-29 | 2014-11-20 | Siemens Aktiengesellschaft | MR-Angiographie mit nicht-kartesischer Signalakquisition |
WO2013106512A1 (en) | 2012-01-10 | 2013-07-18 | The Johns Hopkins University | Methods and systems for tomographic reconstruction |
JP6548531B2 (ja) * | 2015-09-03 | 2019-07-24 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置及び画像処理装置 |
CA3028716C (en) * | 2016-06-22 | 2024-02-13 | Viewray Technologies, Inc. | Magnetic resonance imaging at low field strength |
JP7140551B2 (ja) * | 2018-05-28 | 2022-09-21 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置、処理装置、および医用画像処理方法 |
US20190370956A1 (en) * | 2018-05-30 | 2019-12-05 | General Electric Company | Contrast imaging system and method |
JP2022092161A (ja) * | 2020-12-10 | 2022-06-22 | キヤノンメディカルシステムズ株式会社 | 磁気共鳴イメージング装置、および画像生成方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838539A (ja) * | 1981-08-31 | 1983-03-07 | 株式会社東芝 | 診断用核磁気共鳴装置 |
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 |
JPH04211589A (ja) * | 1990-01-31 | 1992-08-03 | Toshiba Corp | 画像記録装置 |
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 |
US5590654A (en) * | 1993-06-07 | 1997-01-07 | Prince; Martin R. | Method and apparatus for magnetic resonance imaging of arteries using a magnetic resonance contrast agent |
DE4319539A1 (de) * | 1993-06-12 | 1994-12-15 | Philips Patentverwaltung | Verfahren zur Erzeugung einer MR-Bildfolge und Anordnung zur Durchführung des Verfahrens |
US5713358A (en) * | 1996-03-26 | 1998-02-03 | Wisconsin Alumni Research Foundation | Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent |
JP3525007B2 (ja) * | 1996-03-28 | 2004-05-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US6167293A (en) * | 1996-04-19 | 2000-12-26 | General Electric Company | Method for performing magnetic resonance angiography using a contrast agent |
-
1998
- 1998-12-11 WO PCT/US1998/026523 patent/WO1999030179A2/en active Application Filing
- 1998-12-11 AT AT98962092T patent/ATE504007T1/de not_active IP Right Cessation
- 1998-12-11 US US09/600,433 patent/US6630828B1/en not_active Expired - Lifetime
- 1998-12-11 CA CA002313006A patent/CA2313006C/en not_active Expired - Lifetime
- 1998-12-11 DE DE69842209T patent/DE69842209D1/de not_active Expired - Lifetime
- 1998-12-11 EP EP98962092A patent/EP1047951B1/de not_active Expired - Lifetime
- 1998-12-14 JP JP2000524683A patent/JP4646011B2/ja not_active Expired - Lifetime
- 1998-12-14 AU AU17253/99A patent/AU1725399A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1999030179A3 (en) | 1999-08-19 |
WO1999030179A2 (en) | 1999-06-17 |
CA2313006A1 (en) | 1999-06-17 |
AU1725399A (en) | 1999-06-28 |
EP1047951A2 (de) | 2000-11-02 |
JP4646011B2 (ja) | 2011-03-09 |
US6630828B1 (en) | 2003-10-07 |
CA2313006C (en) | 2006-04-11 |
JP2001526067A (ja) | 2001-12-18 |
WO1999030179A9 (en) | 1999-09-30 |
DE69842209D1 (de) | 2011-05-12 |
EP1047951B1 (de) | 2011-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |