CN1237937C - 磁共振成像装置 - Google Patents

磁共振成像装置 Download PDF

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Publication number
CN1237937C
CN1237937C CN99803615.3A CN99803615A CN1237937C CN 1237937 C CN1237937 C CN 1237937C CN 99803615 A CN99803615 A CN 99803615A CN 1237937 C CN1237937 C CN 1237937C
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China
Prior art keywords
mentioned
tomography
signal
echo
time
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Expired - Fee Related
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CN99803615.3A
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English (en)
Chinese (zh)
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CN1291873A (zh
Inventor
渡部滋
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Hitachi Healthcare Manufacturing Ltd
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Hitachi Medical Corp
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Publication of CN1291873A publication Critical patent/CN1291873A/zh
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • 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

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN99803615.3A 1998-03-04 1999-03-03 磁共振成像装置 Expired - Fee Related CN1237937C (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP52341/98 1998-03-04
JP05234198A JP4127889B2 (ja) 1998-03-04 1998-03-04 磁気共鳴イメージング装置
JP52341/1998 1998-03-04

Publications (2)

Publication Number Publication Date
CN1291873A CN1291873A (zh) 2001-04-18
CN1237937C true CN1237937C (zh) 2006-01-25

Family

ID=12912109

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99803615.3A Expired - Fee Related CN1237937C (zh) 1998-03-04 1999-03-03 磁共振成像装置

Country Status (6)

Country Link
US (1) US6442414B1 (enExample)
EP (1) EP1060706B1 (enExample)
JP (1) JP4127889B2 (enExample)
CN (1) CN1237937C (enExample)
DE (1) DE69931611T2 (enExample)
WO (1) WO1999044501A1 (enExample)

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US7339375B1 (en) 2001-01-26 2008-03-04 Fonar Corporation Driven equilibrium and fast-spin echo scanning
US7242190B1 (en) * 2001-01-26 2007-07-10 Fonar Corporation Driven equilibrium and fast-spin echo scanning
DE10133278A1 (de) * 2001-07-09 2003-01-23 Univ Eberhard Karls Verfahren und Vorrichtung zur Darstellung einer Fluidperfusion
JP4122452B2 (ja) * 2001-10-15 2008-07-23 株式会社日立メディコ 磁気共鳴撮像装置
EP1499908A1 (en) * 2002-04-08 2005-01-26 Koninklijke Philips Electronics N.V. Data-processing to form a compound object data set from a plurality of basis datasets
CN1802123B (zh) * 2002-05-16 2010-04-28 梅德拉股份有限公司 应用3.0泰斯拉磁共振系统获取内腔结构图像与谱图的系统
WO2004055524A2 (en) * 2002-12-13 2004-07-01 Philips Intellectual Property & Standards Gmbh Method and arrangement for determining the position of an object in an mr device
US6922054B2 (en) * 2003-08-18 2005-07-26 The Board Of Trustees Of The Leland Stanford Junior University Steady state free precession magnetic resonance imaging using phase detection of material separation
GB2405935A (en) 2003-09-10 2005-03-16 Rolls Royce Plc NMR methods of measuring fluid flow rates
DE10346275B4 (de) * 2003-10-06 2005-08-18 Siemens Ag Erzeuger zeitvariabler Magnetfelder eines Magnetresonanzgeräts und Magnetresonanzgerät mit dem Erzeuger
JP4309755B2 (ja) * 2003-12-22 2009-08-05 株式会社東芝 磁気共鳴イメージング装置
US8000768B2 (en) 2005-01-10 2011-08-16 Vassol Inc. Method and system for displaying blood flow
JP5215657B2 (ja) * 2005-02-16 2013-06-19 株式会社日立メディコ 磁気共鳴イメージング装置及び装置
JP4738056B2 (ja) * 2005-05-24 2011-08-03 株式会社日立メディコ 磁気共鳴イメージング装置
US7613496B2 (en) * 2005-09-22 2009-11-03 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and magnetic resonance imaging method
US9538936B2 (en) 2006-11-22 2017-01-10 Toshiba Medical Systems Corporation MRI apparatus acquires first and second MR data and generates therefrom third image data having higher contrast between blood and background tissues
US10098563B2 (en) 2006-11-22 2018-10-16 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus
JP5362580B2 (ja) * 2007-11-16 2013-12-11 株式会社日立メディコ 磁気共鳴イメージング装置及び血管撮像方法
JP5483308B2 (ja) * 2007-11-21 2014-05-07 株式会社東芝 磁気共鳴イメージング装置
WO2009094304A2 (en) * 2008-01-23 2009-07-30 The Regents Of The University Of Colorado Susceptibility weighted magnetic resonance imaging of venous vasculature
JP5352109B2 (ja) * 2008-04-10 2013-11-27 株式会社日立メディコ 磁気共鳴イメージング装置
US7847545B2 (en) * 2008-04-11 2010-12-07 General Electric Company System and method for correcting flow velocity measurements in phase contrast imaging using magnetic field monitoring
US8483466B2 (en) 2008-05-22 2013-07-09 Hitachi Medical Corporation Magnetic resonance imaging apparatus and blood vessel image acquiring method
DE102009019596B4 (de) * 2009-04-30 2023-08-17 Siemens Healthcare Gmbh Magnetresonanzangiographie mit flusskompensierter und flusssensitiver Bildgebung
GB2493746A (en) * 2011-08-17 2013-02-20 Schlumberger Holdings NMR Flow meter with superconducting polariser
US10980492B2 (en) * 2012-05-11 2021-04-20 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus and image processing apparatus
WO2014203245A2 (en) 2013-06-20 2014-12-24 Aspect International (2015) Private Limited An nmr/mri-based integrated system for analyzing and treating of a drilling mud for drilling mud recycling process and methods thereof
US9964621B2 (en) 2013-10-01 2018-05-08 Beth Israel Deaconess Medical Center, Inc. Methods and apparatus for reducing scan time of phase contrast MRI
US9494503B2 (en) 2013-11-06 2016-11-15 Aspect Imaging Ltd. Inline rheology/viscosity, density, and flow rate measurement
EP3247881A4 (en) 2015-01-19 2019-06-12 Aspect International (2015) Private Limited NMR based systems for crude oil improvement and method therefor
CN106053299B (zh) 2015-04-12 2020-10-30 艾斯拜克特Ai有限公司 非圆形横截面管道中的流体的nmr成像
US10123761B2 (en) 2015-07-01 2018-11-13 William E. Butler Device and method for spatiotemporal reconstruction of a moving vascular pulse wave in the brain and other organs
CN106324010A (zh) 2015-07-02 2017-01-11 艾斯拜克特Ai有限公司 使用mr设备对在管道中流动的流体的分析
KR101733800B1 (ko) * 2015-09-18 2017-05-10 삼성전자주식회사 자기 공명 영상 장치가 혈관을 스캔하는 방법 및 그 자기 공명 영상 장치
CN106923813B (zh) * 2015-12-30 2019-05-07 中国科学院深圳先进技术研究院 一种磁共振心脏血流速度的测量方法及装置
US10655996B2 (en) 2016-04-12 2020-05-19 Aspect Imaging Ltd. System and method for measuring velocity profiles
CN106646296B (zh) * 2016-09-30 2019-11-19 上海联影医疗科技有限公司 磁共振接收链路及接收方法
JP6734173B2 (ja) * 2016-10-03 2020-08-05 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
GB2598463B (en) 2019-02-06 2023-08-23 E Butler William Improved methods for angiography
CN113395935B (zh) 2019-02-06 2023-11-24 威廉·E·巴特勒 重建心搏频率血管造影现象的表示的方法和计算机系统
GB2596015B (en) 2019-03-27 2022-10-12 E Butler William Reconstructing cardiac frequency phenomena in angiographic data
CA3132140C (en) 2019-04-04 2024-03-05 William E. Butler Intrinsic contrast optical cross-correlated wavelet angiography
US12220272B2 (en) 2021-05-12 2025-02-11 Angiowave Imaging, Inc. Motion-compensated wavelet angiography

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JPH03272743A (ja) * 1990-03-23 1991-12-04 Toshiba Corp 磁気共鳴イメージング法による血管像撮影方法
DE69127565T2 (de) * 1990-03-20 1998-04-23 Toshiba Kawasaki Kk Verfahren und Apparat zur Bilderzeugung von Blutgefässen mittels magnetischer Resonanz
JPH03272742A (ja) * 1990-03-20 1991-12-04 Toshiba Corp 磁気共鳴イメージング法による血管像撮影方法
US5167232A (en) * 1990-08-07 1992-12-01 Ihc Hospitals, Inc. Magnetic resonance angiography by sequential multiple thin slab three dimensional acquisition
JP3512482B2 (ja) * 1994-09-06 2004-03-29 株式会社東芝 磁気共鳴映像装置
US6043655A (en) * 1997-01-09 2000-03-28 Kabushiki Kaisha Toshiba MR imaging utilizing the time of flight effect

Also Published As

Publication number Publication date
CN1291873A (zh) 2001-04-18
EP1060706A4 (en) 2002-04-10
EP1060706A1 (en) 2000-12-20
JPH11244257A (ja) 1999-09-14
EP1060706B1 (en) 2006-05-31
JP4127889B2 (ja) 2008-07-30
WO1999044501A1 (en) 1999-09-10
US6442414B1 (en) 2002-08-27
DE69931611D1 (de) 2006-07-06
DE69931611T2 (de) 2007-01-11

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