NL1034804A1 - Magnetische-resonantieafbeeldingsapparatuur en magnetische-resonantiefafbeeldingswerkwijze. - Google Patents

Magnetische-resonantieafbeeldingsapparatuur en magnetische-resonantiefafbeeldingswerkwijze.

Info

Publication number
NL1034804A1
NL1034804A1 NL1034804A NL1034804A NL1034804A1 NL 1034804 A1 NL1034804 A1 NL 1034804A1 NL 1034804 A NL1034804 A NL 1034804A NL 1034804 A NL1034804 A NL 1034804A NL 1034804 A1 NL1034804 A1 NL 1034804A1
Authority
NL
Netherlands
Prior art keywords
magnetic resonance
resonance imaging
equipment
imaging method
imaging equipment
Prior art date
Application number
NL1034804A
Other languages
English (en)
Other versions
NL1034804C2 (nl
Inventor
Mitsuharu Miyoshi
Original Assignee
Ge Med Sys Global Tech Co Llc
Ge Yokogawa Medical Systems
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ge Med Sys Global Tech Co Llc, Ge Yokogawa Medical Systems filed Critical Ge Med Sys Global Tech Co Llc
Publication of NL1034804A1 publication Critical patent/NL1034804A1/nl
Application granted granted Critical
Publication of NL1034804C2 publication Critical patent/NL1034804C2/nl

Links

Classifications

    • 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
    • G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
    • 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
    • G01R33/5602—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by filtering or weighting based on different relaxation times within the sample, e.g. T1 weighting using an inversion pulse
    • 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
    • G01R33/5607—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reducing the NMR signal of a particular spin species, e.g. of a chemical species for fat suppression, or of a moving spin species for black-blood imaging

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL1034804A 2006-12-07 2007-12-07 Magnetische-resonantieafbeeldingsapparatuur en magnetische-resonantiefafbeeldingswerkwijze. NL1034804C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006330959 2006-12-07
JP2006330959A JP5121219B2 (ja) 2006-12-07 2006-12-07 磁気共鳴イメージング装置および磁気共鳴イメージング方法

Publications (2)

Publication Number Publication Date
NL1034804A1 true NL1034804A1 (nl) 2008-06-10
NL1034804C2 NL1034804C2 (nl) 2012-05-02

Family

ID=39432041

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1034804A NL1034804C2 (nl) 2006-12-07 2007-12-07 Magnetische-resonantieafbeeldingsapparatuur en magnetische-resonantiefafbeeldingswerkwijze.

Country Status (6)

Country Link
US (1) US20080136411A1 (nl)
JP (1) JP5121219B2 (nl)
KR (1) KR20080052470A (nl)
CN (1) CN101259018A (nl)
DE (1) DE102007059053A1 (nl)
NL (1) NL1034804C2 (nl)

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US9804245B2 (en) * 2007-06-29 2017-10-31 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
JP5280089B2 (ja) * 2008-04-23 2013-09-04 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
KR101056451B1 (ko) * 2009-10-22 2011-08-11 연세대학교 산학협력단 유동성 혈류의 신호를 선택적으로 제거하면서 조직체의 ｔ1-강조 영상을 획득하는 방법
JP2011143236A (ja) * 2009-12-14 2011-07-28 Toshiba Corp 磁気共鳴イメージング装置および磁気共鳴イメージング方法
CN103328999A (zh) * 2011-01-25 2013-09-25 皇家飞利浦有限公司 交错的自旋锁定成像
DE102011080215B4 (de) * 2011-08-01 2013-02-28 Siemens Aktiengesellschaft Erfassung von MR-Daten in einem vorbestimmten Bereich
WO2013042466A1 (ja) * 2011-09-22 2013-03-28 株式会社 東芝 磁気共鳴イメージング装置及び磁気共鳴イメージング方法
KR101310706B1 (ko) 2012-04-05 2013-09-24 고려대학교 산학협력단 선택적 회질 영상을 획득할 수 있는 자기공명영상 장치 및 이를 이용한 자기공명영상 획득방법
KR101967244B1 (ko) * 2012-12-05 2019-04-09 삼성전자주식회사 자기 공명 영상 방법 및 장치
KR101507762B1 (ko) * 2013-06-26 2015-04-07 전북대학교산학협력단 Tof-mra의 신호강도를 이용한 혈류속도의 유도 시스템 및 방법
KR102349449B1 (ko) * 2014-12-11 2022-01-10 삼성전자주식회사 자기 공명 영상 장치 및 자기 공명 영상 장치의 영상 처리 방법
US10684343B2 (en) * 2017-05-31 2020-06-16 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and magnetic resonance imaging method
CN107167751B (zh) * 2017-06-30 2019-08-02 上海联影医疗科技有限公司 一种磁共振射频发射场测量方法及磁共振***
EP3470868A1 (en) * 2017-10-16 2019-04-17 Koninklijke Philips N.V. Quantitative measurement of relaxation times in magnetic resonance imaging
CN110215209B (zh) * 2019-04-29 2023-03-28 上海联影医疗科技股份有限公司 一种磁共振成像方法和磁共振成像***
CN117518053A (zh) * 2020-08-19 2024-02-06 上海联影医疗科技股份有限公司 磁共振成像方法
CN113476031B (zh) * 2021-08-04 2024-03-29 浙江大学 反转恢复准备的3d梯度自旋回波扩散成像方法、介质及设备

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Also Published As

Publication number Publication date
DE102007059053A1 (de) 2008-06-26
US20080136411A1 (en) 2008-06-12
KR20080052470A (ko) 2008-06-11
NL1034804C2 (nl) 2012-05-02
JP5121219B2 (ja) 2013-01-16
CN101259018A (zh) 2008-09-10
JP2008142192A (ja) 2008-06-26

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