JP4773612B2 - ナヴィゲータ磁気共鳴撮像エコー信号を用いた呼吸変位及び速度の測定法 - Google Patents

ナヴィゲータ磁気共鳴撮像エコー信号を用いた呼吸変位及び速度の測定法 Download PDF

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JP4773612B2
JP4773612B2 JP2000378250A JP2000378250A JP4773612B2 JP 4773612 B2 JP4773612 B2 JP 4773612B2 JP 2000378250 A JP2000378250 A JP 2000378250A JP 2000378250 A JP2000378250 A JP 2000378250A JP 4773612 B2 JP4773612 B2 JP 4773612B2
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magnetic resonance
navigator
signal
nuclear magnetic
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JP2001204712A5 (enExample
JP2001204712A (ja
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イーピン・ピー・ドゥ
エリオット・アール・マクベイグ
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General Electric Co
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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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5676—Gating or triggering based on an MR signal, e.g. involving one or more navigator echoes for motion monitoring and correction

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Physiology (AREA)
  • Power Engineering (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Signal Processing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2000378250A 1999-12-14 2000-12-13 ナヴィゲータ磁気共鳴撮像エコー信号を用いた呼吸変位及び速度の測定法 Expired - Fee Related JP4773612B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/460,686 US6292684B1 (en) 1999-12-14 1999-12-14 Respiratory displacement and velocity measurement using navigator MRI echo signals
US09/460686 1999-12-14

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JP2001204712A JP2001204712A (ja) 2001-07-31
JP2001204712A5 JP2001204712A5 (enExample) 2008-01-31
JP4773612B2 true JP4773612B2 (ja) 2011-09-14

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JP2000378250A Expired - Fee Related JP4773612B2 (ja) 1999-12-14 2000-12-13 ナヴィゲータ磁気共鳴撮像エコー信号を用いた呼吸変位及び速度の測定法

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US (1) US6292684B1 (enExample)
EP (1) EP1113288B1 (enExample)
JP (1) JP4773612B2 (enExample)
DE (1) DE60026474T2 (enExample)

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JP4896763B2 (ja) * 2007-02-19 2012-03-14 株式会社東芝 呼吸抑制部材および磁気共鳴映像装置
US8417007B2 (en) * 2007-12-10 2013-04-09 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
CN101721210B (zh) 2008-10-15 2013-08-21 株式会社东芝 磁共振成像装置以及磁共振成像方法
JP5454846B2 (ja) * 2008-10-15 2014-03-26 株式会社東芝 磁気共鳴映像装置
GB2478403B (en) 2010-02-23 2012-01-25 Univ Cape Town A method for compensating for respiratory motion in magnetic resonance imaging
RU2013136488A (ru) * 2011-01-05 2015-02-10 Конинклейке Филипс Электроникс Н.В. Способ и устройство детектирования и коррекции движения в данных позитронно-эмиссионной томографии в режиме списка с использованием синхронизированного сигнала
RU2014142029A (ru) * 2012-03-19 2016-05-20 Конинклейке Филипс Н.В. Способ восстановления магнитно-резонансного изображения с обнаружением дыхательного движения во время дискретизации центральной и переферийной областей k-пространства
US8900225B2 (en) * 2012-05-07 2014-12-02 Biosense Webster (Israel) Ltd. Automatic ablation tracking
EP2728371B1 (en) * 2012-11-02 2022-07-27 Universitätsklinikum Freiburg Segmented 3D Cartesian MR data acquisition using a randomized sampling pattern for compressed sensing image reconstruction
JP6109598B2 (ja) * 2013-02-26 2017-04-05 東芝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
US9398855B2 (en) 2013-05-30 2016-07-26 Siemens Aktiengesellschaft System and method for magnetic resonance imaging based respiratory motion correction for PET/MRI
JP5889841B2 (ja) * 2013-07-08 2016-03-22 株式会社東芝 磁気共鳴映像装置
JP2013198795A (ja) * 2013-07-08 2013-10-03 Toshiba Corp 磁気共鳴映像装置
JP5881793B2 (ja) * 2014-09-24 2016-03-09 株式会社東芝 磁気共鳴映像装置
US10132902B2 (en) * 2015-05-26 2018-11-20 The Board Of Trustees Of The Leland Stanford Junior University Intrinsic navigation from velocity-encoding gradients in phase-contrast MRI
CN106539584B (zh) * 2015-09-22 2020-08-04 上海联影医疗科技有限公司 磁共振成像方法及系统
US11073584B2 (en) 2018-09-06 2021-07-27 Canon Medical Systems Corporation Magnetic resonance imaging apparatus
CN109917315B (zh) 2019-04-30 2021-09-28 上海联影医疗科技股份有限公司 磁共振成像扫描方法、装置、计算机设备和存储介质
US11163029B2 (en) 2019-08-14 2021-11-02 GE Precision Healthcare LLC MRI system with improved navigator

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Also Published As

Publication number Publication date
DE60026474D1 (de) 2006-05-04
DE60026474T2 (de) 2006-10-12
EP1113288B1 (en) 2006-03-08
US6292684B1 (en) 2001-09-18
EP1113288A3 (en) 2003-07-16
JP2001204712A (ja) 2001-07-31
EP1113288A2 (en) 2001-07-04

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