ATE449348T1 - Verfahren zur k-space-datenerfassung und mri- einrichtung - Google Patents
Verfahren zur k-space-datenerfassung und mri- einrichtungInfo
- Publication number
- ATE449348T1 ATE449348T1 AT03798988T AT03798988T ATE449348T1 AT E449348 T1 ATE449348 T1 AT E449348T1 AT 03798988 T AT03798988 T AT 03798988T AT 03798988 T AT03798988 T AT 03798988T AT E449348 T1 ATE449348 T1 AT E449348T1
- Authority
- AT
- Austria
- Prior art keywords
- coordinate axis
- space data
- data collection
- spaces
- sampling
- 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
- G01R33/561—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]
-
- 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
- G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
- G01R33/4835—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices of multiple slices
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02079089 | 2002-10-01 | ||
PCT/IB2003/004014 WO2004031793A1 (en) | 2002-10-01 | 2003-09-12 | A method for k-space data acquisition and mri device |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE449348T1 true ATE449348T1 (de) | 2009-12-15 |
Family
ID=32050042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03798988T ATE449348T1 (de) | 2002-10-01 | 2003-09-12 | Verfahren zur k-space-datenerfassung und mri- einrichtung |
Country Status (8)
Country | Link |
---|---|
US (1) | US7180290B2 (de) |
EP (1) | EP1549966B1 (de) |
JP (1) | JP2006501006A (de) |
CN (1) | CN100416295C (de) |
AT (1) | ATE449348T1 (de) |
AU (1) | AU2003260846A1 (de) |
DE (1) | DE60330166D1 (de) |
WO (1) | WO2004031793A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8072215B2 (en) | 2006-07-06 | 2011-12-06 | Koninklijke Philips Electronics N.V. | Magnetic resonance device and method |
WO2008132659A2 (en) * | 2007-04-27 | 2008-11-06 | Koninklijke Philips Electronics N.V. | Magnetic resonance device and method for propeller mri |
US7860291B2 (en) * | 2007-06-12 | 2010-12-28 | General Electric Co. | Method and apparatus for correcting motion in multi-shot diffusion-weighted magnetic resonance imaging |
US7622924B2 (en) * | 2007-06-12 | 2009-11-24 | General Electric Company | Method and apparatus for k-space and hybrid-space based image reconstruction for parallel imaging and artifact correction |
CN102077108B (zh) * | 2008-04-28 | 2015-02-25 | 康奈尔大学 | 分子mri中的磁敏度精确量化 |
US20100145185A1 (en) * | 2008-12-04 | 2010-06-10 | Xiaole Hong | Extending the resolution of mri data by combining subsets from plural image acquisitions |
US8422756B2 (en) * | 2010-04-27 | 2013-04-16 | Magnetic Resonance Innovations, Inc. | Method of generating nuclear magnetic resonance images using susceptibility weighted imaging and susceptibility mapping (SWIM) |
RU2013104364A (ru) * | 2010-07-02 | 2014-08-10 | Конинклейке Филипс Электроникс Н.В. | Компьютерный программный продукт, осуществляемый компьютером способ и система магнитно-резонансной визуализации для получения магнитно-резонансного изображения |
EP2728371B1 (de) * | 2012-11-02 | 2022-07-27 | Universitätsklinikum Freiburg | Segmentierte dreidimensionale kartesische MR Datenaufnahme unter Verwendung eines stochastischen Abtastmusters für die Bildrekonstruktion mittels komprimierter Abtastung |
KR101418170B1 (ko) | 2012-11-29 | 2014-07-09 | 연세대학교 산학협력단 | 자기공명영상 획득 장치 및 방법 |
CN106308798B (zh) * | 2013-02-04 | 2019-05-31 | 上海联影医疗科技有限公司 | 一种磁共振扫描短te成像方法及磁共振扫描系统 |
US10254371B2 (en) * | 2013-08-28 | 2019-04-09 | Brigham And Women's Hospital, Inc. | System and method for Z-shim compensated echo-planar magnetic resonance imaging |
DE102017203936A1 (de) * | 2017-03-09 | 2018-09-13 | Siemens Healthcare Gmbh | Leise Echo Planar Bildgebung |
CN110794352B (zh) * | 2018-08-02 | 2023-05-26 | 上海康达卡勒幅医疗科技有限公司 | 一种抑制磁共振图像伪影的方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3576641B2 (ja) * | 1995-06-29 | 2004-10-13 | ジーイー横河メディカルシステム株式会社 | Mri装置 |
US5742163A (en) * | 1996-04-26 | 1998-04-21 | Picker International, Inc. | Magnetic resonance scan calibration and reconstruction technique for multi-shot, multi-echo imaging |
US6044290A (en) | 1997-04-11 | 2000-03-28 | Wisconsin Alumni Research Foundation | Time-resolved digital subtraction magnetic resonance angiography using echo-planar imaging |
JP4282810B2 (ja) * | 1999-02-22 | 2009-06-24 | 株式会社東芝 | Mri装置 |
JP3423902B2 (ja) * | 1999-09-17 | 2003-07-07 | ジーイー横河メディカルシステム株式会社 | 勾配磁場計測方法およびmri装置 |
JP3365983B2 (ja) * | 1999-09-28 | 2003-01-14 | ジーイー横河メディカルシステム株式会社 | Mri装置 |
WO2002035250A1 (en) | 2000-10-20 | 2002-05-02 | Duke University | Single-shot epi with signal recovery from susceptibility-induced losses |
US6492811B1 (en) * | 2000-11-22 | 2002-12-10 | Koninklijke Philips Electronics N.V. | Multishot echo planar imaging fluoroscopic technique |
-
2003
- 2003-09-12 WO PCT/IB2003/004014 patent/WO2004031793A1/en active Application Filing
- 2003-09-12 AU AU2003260846A patent/AU2003260846A1/en not_active Abandoned
- 2003-09-12 US US10/529,841 patent/US7180290B2/en not_active Expired - Fee Related
- 2003-09-12 AT AT03798988T patent/ATE449348T1/de not_active IP Right Cessation
- 2003-09-12 JP JP2004541035A patent/JP2006501006A/ja not_active Withdrawn
- 2003-09-12 EP EP03798988A patent/EP1549966B1/de not_active Expired - Lifetime
- 2003-09-12 DE DE60330166T patent/DE60330166D1/de not_active Expired - Lifetime
- 2003-09-12 CN CNB038234939A patent/CN100416295C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1549966A1 (de) | 2005-07-06 |
US7180290B2 (en) | 2007-02-20 |
WO2004031793A1 (en) | 2004-04-15 |
EP1549966B1 (de) | 2009-11-18 |
CN1685242A (zh) | 2005-10-19 |
AU2003260846A1 (en) | 2004-04-23 |
US20060033492A1 (en) | 2006-02-16 |
DE60330166D1 (de) | 2009-12-31 |
JP2006501006A (ja) | 2006-01-12 |
CN100416295C (zh) | 2008-09-03 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |