JP3995542B2 - 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 - Google Patents

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 Download PDF

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JP3995542B2
JP3995542B2 JP2002189883A JP2002189883A JP3995542B2 JP 3995542 B2 JP3995542 B2 JP 3995542B2 JP 2002189883 A JP2002189883 A JP 2002189883A JP 2002189883 A JP2002189883 A JP 2002189883A JP 3995542 B2 JP3995542 B2 JP 3995542B2
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pulse
resonance imaging
magnetic resonance
space
imaging apparatus
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Japanese (ja)
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JP2004024783A5 (https=
JP2004024783A (ja
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真史 大川
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Toshiba Corp
Canon Medical Systems Corp
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Toshiba Corp
Toshiba Medical Systems Engineering Co Ltd
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Priority to US10/606,933 priority patent/US6914429B2/en
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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
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (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)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2002189883A 2002-06-28 2002-06-28 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 Expired - Lifetime JP3995542B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002189883A JP3995542B2 (ja) 2002-06-28 2002-06-28 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
US10/606,933 US6914429B2 (en) 2002-06-28 2003-06-27 MR imaging system and data acquisition method

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Application Number Priority Date Filing Date Title
JP2002189883A JP3995542B2 (ja) 2002-06-28 2002-06-28 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

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JP2004024783A JP2004024783A (ja) 2004-01-29
JP2004024783A5 JP2004024783A5 (https=) 2005-10-06
JP3995542B2 true JP3995542B2 (ja) 2007-10-24

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JP (1) JP3995542B2 (https=)

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AU2003273242A1 (en) * 2002-08-27 2004-03-19 Xavier Golay (Nmi) Microvascular blood volume magnetic resonance imaging
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
US7974679B2 (en) * 2003-06-27 2011-07-05 General Electric Company Method and apparatus to reduce image intensity variation during MR data acquisition
US7714575B2 (en) * 2003-10-15 2010-05-11 General Electric Company Method and apparatus for enhanced magnetic preparation in MR imaging
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
US7941204B1 (en) * 2004-11-16 2011-05-10 Yi Wang Magnetic resonance imaging concepts
US7330028B2 (en) * 2005-09-26 2008-02-12 General Electric Company Apparatus and method of simultaneous fat suppression, magnetization transfer contrast, and spatial saturation for 3D time-of-flight imaging
JP5288745B2 (ja) * 2006-09-13 2013-09-11 株式会社東芝 磁気共鳴イメージング装置
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
WO2009126289A2 (en) * 2008-04-09 2009-10-15 Beth Israel Deaconess Medical Center, Inc. Positive magnetic resonance imaging contrast methods and apparatus using chemical exchange saturation transfer
JP2010051369A (ja) 2008-08-26 2010-03-11 Toshiba Corp 磁気共鳴イメージング装置
DE102010003552B4 (de) * 2010-03-31 2012-03-22 Universitätsklinikum Freiburg Verfahren zur Homogenisierung der Auflösung in Magnetresonanz-Tomographie-Aufnahmen unter Verwendung von nicht-linearen Kodierfeldern
DE102011083871B4 (de) * 2011-09-30 2013-06-13 Siemens Aktiengesellschaft Anpassung der Grundfrequenz eines HF-Anregungspulses bei der nicht-selektiven Anregung von Kernspinsignalen in einem Untersuchungsobjekt
DE102011083890B4 (de) * 2011-09-30 2013-06-13 Siemens Aktiengesellschaft MR-Bildgebung mit variabler Anzahl von Präparationspulsen
CN104395772B (zh) * 2012-03-19 2017-05-10 皇家飞利浦有限公司 具有在对中心和外周k空间区的采样期间的呼吸运动检测的磁共振图像重建方法
JP5997984B2 (ja) * 2012-09-04 2016-09-28 株式会社日立製作所 磁気共鳴イメージング装置及びマルチエコー計測方法
DE102012218424B3 (de) * 2012-10-10 2014-03-20 Siemens Aktiengesellschaft Schnelle MR-Bildaufnahme mit optimiertem Signal-Rausch-Verhältnis und/oder Kontrast
US10197658B2 (en) * 2013-08-02 2019-02-05 Siemens Healthcare Gmbh Methods, systems and apparatuses for using flexible triggered segmentation to optimize magnetic resonance imaging
KR101568214B1 (ko) 2014-02-25 2015-11-11 고려대학교 산학협력단 자기 공명 영상장치 및 이를 이용한 자기 공명 영상방법
JP6362950B2 (ja) * 2014-07-24 2018-07-25 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 磁気共鳴装置
KR101643286B1 (ko) * 2014-09-04 2016-07-29 삼성전자주식회사 의료 영상 장치 및 그 제어방법
JP6496547B2 (ja) * 2014-12-25 2019-04-03 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 磁気共鳴装置
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
US11313932B2 (en) * 2020-02-14 2022-04-26 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP7629816B2 (ja) 2021-07-19 2025-02-14 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
CN114114115B (zh) * 2021-11-19 2024-12-24 深圳市联影高端医疗装备创新研究院 心脏图像获取方法、装置、磁共振设备和存储介质

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JPH06114030A (ja) 1992-09-30 1994-04-26 Shimadzu Corp Ｍｒイメージング装置
US5402067A (en) * 1993-08-04 1995-03-28 Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for rare echo imaging using k-space spiral coverage
US5614826A (en) * 1995-08-18 1997-03-25 Emory University Methods for prepulsing in nuclear magnetic resonance pulse sequencing
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
US6201985B1 (en) * 1998-08-14 2001-03-13 General Electric Company Segmented k-space method for three-dimensional MR imaging
DE19901171C2 (de) * 1999-01-14 2001-12-13 Axel Haase Verfahren und Vorrichtung zum Gewinnen von Daten für Magnetresonanz-Bildgebung
DE19924448A1 (de) 1999-05-28 2000-12-07 Siemens Ag Verfahren zur Gewinnung von zeit- und ortsaufgelösten dreidimensionalen Datensätzen mittels der magnetischen Resonanz und Vorrichtung zur Durchführung des Verfahrens
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

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US6914429B2 (en) 2005-07-05
JP2004024783A (ja) 2004-01-29

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