CN103513203B - 在厚片选择性space成像中减少流动伪影的磁共振系统和方法 - Google Patents
在厚片选择性space成像中减少流动伪影的磁共振系统和方法 Download PDFInfo
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- CN103513203B CN103513203B CN201310258153.1A CN201310258153A CN103513203B CN 103513203 B CN103513203 B CN 103513203B CN 201310258153 A CN201310258153 A CN 201310258153A CN 103513203 B CN103513203 B CN 103513203B
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- 238000003384 imaging method Methods 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 17
- 238000002595 magnetic resonance imaging Methods 0.000 claims abstract description 29
- 230000004913 activation Effects 0.000 claims abstract description 18
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 claims abstract description 17
- 238000001994 activation Methods 0.000 claims description 17
- 241001465754 Metazoa Species 0.000 claims description 8
- 238000010977 unit operation Methods 0.000 claims description 5
- 210000001367 artery Anatomy 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
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- 238000005070 sampling Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 7
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000011017 operating method Methods 0.000 description 3
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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
- G01R33/561—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
-
- 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
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
- G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (12)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/533,371 | 2012-06-26 | ||
US13/533,371 US9360545B2 (en) | 2012-06-26 | 2012-06-26 | Magnetic resonance system and operating method for flow artifact reduction in slab selective space imaging |
Publications (2)
Publication Number | Publication Date |
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CN103513203A CN103513203A (zh) | 2014-01-15 |
CN103513203B true CN103513203B (zh) | 2017-08-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201310258153.1A Active CN103513203B (zh) | 2012-06-26 | 2013-06-26 | 在厚片选择性space成像中减少流动伪影的磁共振系统和方法 |
Country Status (3)
Country | Link |
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US (1) | US9360545B2 (zh) |
KR (1) | KR101665752B1 (zh) |
CN (1) | CN103513203B (zh) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10054656B2 (en) * | 2014-07-28 | 2018-08-21 | Siemens Healthcare Gmbh | Method and apparatus that acquire magnetic resonance data using a 3D turbo or fast spin echo pulse sequence with a lengthened echo spacing |
US9891300B2 (en) * | 2014-08-21 | 2018-02-13 | University Of Virginia Patent Foundation | Method and apparatus for acquiring magnetic resonance data |
CN105988098B (zh) * | 2015-01-30 | 2021-07-27 | Ge医疗系统环球技术有限公司 | 磁共振信号采集系统及方法 |
CN107690587B (zh) * | 2015-06-08 | 2020-06-16 | 皇家飞利浦有限公司 | 具有可变密度采样的mri |
GB2545149B (en) | 2015-08-21 | 2017-10-25 | Shenzhen United Imaging Healthcare Co Ltd | System and method for flip angle determination in magnetic resonance imaging |
KR101820487B1 (ko) * | 2016-04-29 | 2018-02-28 | 동양피스톤 주식회사 | 엔진 피스톤 코팅용 수지 조성물 및 그 제조방법 |
CN109222974A (zh) * | 2018-11-30 | 2019-01-18 | 济南市儿童医院(山东大学齐鲁儿童医院) | 一种具有对流动伪影的抑制的mr成像方法 |
CN111381204B (zh) * | 2018-12-28 | 2022-07-12 | 西门子(深圳)磁共振有限公司 | 基于二维快速自旋回波的磁共振成像方法和装置 |
CN109765513B (zh) * | 2019-02-12 | 2021-05-18 | 上海联影医疗科技股份有限公司 | 用于产生磁共振场图的方法、装置及计算机设备 |
CN111239659B (zh) * | 2020-02-19 | 2022-07-19 | 上海康达卡勒幅医疗科技有限公司 | 一种减少中间层干扰伪影的方法 |
Family Cites Families (22)
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JPS62207447A (ja) * | 1986-03-07 | 1987-09-11 | 横河メディカルシステム株式会社 | Nmrイメ−ジングにおける選択励起方法 |
DE69321653T2 (de) * | 1992-05-27 | 1999-05-20 | Koninklijke Philips Electronics N.V., Eindhoven | Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz |
DE69320105T2 (de) * | 1992-05-27 | 1999-03-11 | Philips Electronics N.V., Eindhoven | Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz |
DE19834698C2 (de) * | 1997-08-19 | 2001-06-21 | Siemens Ag | Diffusionserfassung mittels magnetischer Resonanz |
US7254437B2 (en) * | 1998-04-17 | 2007-08-07 | Kabushiki Kaisha Toshiba | MR imaging providing tissue/blood contrast image |
DE19860488C1 (de) * | 1998-12-28 | 2000-10-26 | Siemens Ag | Impulssequenz für ein Kernspintomographiegerät |
DE19901763B4 (de) * | 1999-01-18 | 2005-12-01 | Siemens Ag | Impulssequenz für ein Kernspintomographiegerät |
JP4309632B2 (ja) * | 2002-10-08 | 2009-08-05 | 株式会社東芝 | 磁気共鳴イメージング装置 |
DE10318990B4 (de) * | 2003-04-25 | 2008-04-03 | Siemens Ag | Bildgebungsverfahren für die Magnetresonanz-Tomographie |
DE102004017852B4 (de) * | 2004-04-13 | 2008-11-27 | Siemens Ag | Bewegungskorrigiertes Multi-Shot-Verfahren zur diffusionsgewichteten Bildgebung in der Magnetresonanztomographie |
WO2006121827A2 (en) * | 2005-05-06 | 2006-11-16 | Board Of Regents, The University Of Texas System | System, program product, and method of acquiring and processing mri data for simultaneous determination of water, fat, and transverse relaxation time constants |
JP5022696B2 (ja) * | 2006-12-22 | 2012-09-12 | 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 | 磁気共鳴イメージング装置 |
DE102006061177B4 (de) | 2006-12-22 | 2009-04-02 | Siemens Ag | 3D-MR-Bildgebung mit Fettunterdrückung |
JP5037236B2 (ja) | 2007-06-20 | 2012-09-26 | 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 | 磁気共鳴イメージング装置および磁気共鳴画像生成方法 |
US8228060B2 (en) * | 2007-06-25 | 2012-07-24 | General Electric Company | Method and apparatus for generating a flip angle schedule for a spin echo train pulse sequence |
JP5508697B2 (ja) | 2007-10-04 | 2014-06-04 | 株式会社東芝 | Mri装置 |
DE102008014060B4 (de) * | 2008-03-13 | 2010-06-17 | Siemens Aktiengesellschaft | Verfahren zur Bestimmung einer Phasenlage einer Magnetisierung und Magnetresonanzanlage |
JP5449805B2 (ja) * | 2008-04-25 | 2014-03-19 | 株式会社東芝 | 磁気共鳴イメージング装置 |
US7705597B2 (en) * | 2008-08-20 | 2010-04-27 | Siemens Aktiengesellschaft | Magnetic resonance method and apparatus for generating different weighted images from the same magnetic resonance echo signal evolution |
DE102009019596B4 (de) | 2009-04-30 | 2023-08-17 | Siemens Healthcare Gmbh | Magnetresonanzangiographie mit flusskompensierter und flusssensitiver Bildgebung |
JP2011143241A (ja) * | 2009-12-18 | 2011-07-28 | Toshiba Corp | 磁気共鳴イメージング装置 |
DE102011005084B3 (de) * | 2011-03-04 | 2012-06-28 | Siemens Aktiengesellschaft | Reduktion von Artefakten in der diffusionsgewichteten Bildgebung |
-
2012
- 2012-06-26 US US13/533,371 patent/US9360545B2/en active Active
-
2013
- 2013-06-26 CN CN201310258153.1A patent/CN103513203B/zh active Active
- 2013-06-26 KR KR1020130073956A patent/KR101665752B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
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CN103513203A (zh) | 2014-01-15 |
US20130342202A1 (en) | 2013-12-26 |
US9360545B2 (en) | 2016-06-07 |
KR101665752B1 (ko) | 2016-10-12 |
KR20140001162A (ko) | 2014-01-06 |
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