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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CN
China
Prior art keywords
magnetic field
mentioned
measurement
signal
data
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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)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (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
JP52341/1998 1998-03-04
JP05234198A JP4127889B2 (ja) 1998-03-04 1998-03-04 磁気共鳴イメージング装置

Publications (2)

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

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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 (cg-RX-API-DMAC7.html)
EP (1) EP1060706B1 (cg-RX-API-DMAC7.html)
JP (1) JP4127889B2 (cg-RX-API-DMAC7.html)
CN (1) CN1237937C (cg-RX-API-DMAC7.html)
DE (1) DE69931611T2 (cg-RX-API-DMAC7.html)
WO (1) WO1999044501A1 (cg-RX-API-DMAC7.html)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1157371A (ja) * 1997-08-11 1999-03-02 Taiyo Toyo Sanso Co Ltd 超清浄空気の製造方法
JP4357641B2 (ja) * 1999-06-29 2009-11-04 株式会社東芝 Ｍｒｉ装置
DE10009166A1 (de) * 2000-02-26 2001-08-30 Philips Corp Intellectual Pty Verfahren zur Lokalisierung von Objekten in der interventionellen Radiologie
ITSV20000036A1 (it) * 2000-09-07 2002-03-07 Esaote Spa Sistema e metodo per il rilevamento di immagini
US6847209B2 (en) * 2001-01-26 2005-01-25 Fonar Corporation Driven equilibrium and fast-spin echo scanning
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
AU2003212591A1 (en) * 2002-04-08 2003-10-20 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
AU2003282318A1 (en) * 2002-12-13 2004-07-09 Koninklijke Philips Electronics N.V. 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
EP1808127B1 (en) * 2004-10-29 2015-04-29 Hitachi Medical Corporation Moving-table magnetic resonance imaging
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
WO2009063791A1 (ja) * 2007-11-16 2009-05-22 Hitachi Medical Corporation 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
WO2009142167A1 (ja) * 2008-05-22 2009-11-26 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画像取得方法
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
US11510642B2 (en) 2019-02-06 2022-11-29 William E. Butler Spatiotemporal reconstruction in higher dimensions of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections
JP7357060B2 (ja) 2019-02-06 2023-10-05 ウィリアム イー バトラー， 血管造影の改善された方法
JP7490002B2 (ja) 2019-03-27 2024-05-24 ウィリアム イー バトラー， 血管造影データにおける心臓周波数現象の再構成
KR20210136057A (ko) 2019-04-04 2021-11-16 윌리암 이. 버틀러 고유 콘트라스트 광학 교차-상관 웨이블릿 혈관 조영술
US12220272B2 (en) 2021-05-12 2025-02-11 Angiowave Imaging, Inc. Motion-compensated wavelet angiography

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609872A (en) * 1984-08-10 1986-09-02 General Electric Company NMR multiple-echo phase-contrast blood flow imaging
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
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
EP0447970B1 (en) * 1990-03-20 1997-09-10 Kabushiki Kaisha Toshiba Method and apparatus for imaging blood vessels employing magnetic resonance
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
JP4127889B2 (ja) 2008-07-30
EP1060706B1 (en) 2006-05-31
EP1060706A4 (en) 2002-04-10
DE69931611T2 (de) 2007-01-11
JPH11244257A (ja) 1999-09-14
US6442414B1 (en) 2002-08-27
EP1060706A1 (en) 2000-12-20
WO1999044501A1 (en) 1999-09-10
DE69931611D1 (de) 2006-07-06

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Granted publication date: 20060125

Termination date: 20130303