FR2607253B1 - Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire - Google Patents

Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire

Info

Publication number
FR2607253B1
FR2607253B1 FR8616259A FR8616259A FR2607253B1 FR 2607253 B1 FR2607253 B1 FR 2607253B1 FR 8616259 A FR8616259 A FR 8616259A FR 8616259 A FR8616259 A FR 8616259A FR 2607253 B1 FR2607253 B1 FR 2607253B1
Authority
FR
France
Prior art keywords
experimentation
magnetic resonance
nuclear magnetic
moving parts
representing moving
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8616259A
Other languages
English (en)
Other versions
FR2607253A1 (fr
Inventor
Patrick Leroux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric CGR SA
Original Assignee
Thomson CGR
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 Thomson CGR filed Critical Thomson CGR
Priority to FR8616259A priority Critical patent/FR2607253B1/fr
Priority to US07/246,666 priority patent/US5007426A/en
Priority to PCT/FR1987/000450 priority patent/WO1988004046A1/fr
Priority to JP63500059A priority patent/JPH01502161A/ja
Priority to EP87907772A priority patent/EP0290554A1/fr
Publication of FR2607253A1 publication Critical patent/FR2607253A1/fr
Application granted granted Critical
Publication of FR2607253B1 publication Critical patent/FR2607253B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • 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)
FR8616259A 1986-11-21 1986-11-21 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire Expired FR2607253B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8616259A FR2607253B1 (fr) 1986-11-21 1986-11-21 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire
US07/246,666 US5007426A (en) 1986-11-21 1987-11-13 Method for depiction of moving parts in a body by nuclear magnetic resonance experiment
PCT/FR1987/000450 WO1988004046A1 (fr) 1986-11-21 1987-11-13 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire
JP63500059A JPH01502161A (ja) 1986-11-21 1987-11-13 核磁気共鳴を利用した測定によって身体内の運動部分を表示する方法
EP87907772A EP0290554A1 (fr) 1986-11-21 1987-11-13 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8616259A FR2607253B1 (fr) 1986-11-21 1986-11-21 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire

Publications (2)

Publication Number Publication Date
FR2607253A1 FR2607253A1 (fr) 1988-05-27
FR2607253B1 true FR2607253B1 (fr) 1989-06-09

Family

ID=9341081

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8616259A Expired FR2607253B1 (fr) 1986-11-21 1986-11-21 Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire

Country Status (5)

Country Link
US (1) US5007426A (fr)
EP (1) EP0290554A1 (fr)
JP (1) JPH01502161A (fr)
FR (1) FR2607253B1 (fr)
WO (1) WO1988004046A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5541512A (en) * 1994-09-28 1996-07-30 General Electric Company Method for the prevention of registration artifacts due to motion in magnetic resonance images
US5578924A (en) * 1995-11-15 1996-11-26 General Electric Company Methods for the simultaneous detection of multiple magnetic resonance images
WO1998027437A1 (fr) * 1996-12-18 1998-06-25 Koninklijke Philips Electronics N.V. Procede d'imagerie par resonance magnetique de pieces mobiles articulees
JP3028220B2 (ja) * 1998-05-21 2000-04-04 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
WO2003096881A2 (fr) * 2002-05-14 2003-11-27 University Of Pittsburgh Dispositif et methode pour l'isolement fonctionnel de tissus animaux ou humains
US8157818B2 (en) 2005-08-01 2012-04-17 Ension, Inc. Integrated medical apparatus for non-traumatic grasping, manipulating and closure of tissue
US9393023B2 (en) * 2009-01-13 2016-07-19 Atricure, Inc. Apparatus and methods for deploying a clip to occlude an anatomical structure
JP5436909B2 (ja) * 2009-03-30 2014-03-05 任天堂株式会社 情報処理プログラム、情報処理装置、情報処理システム、および、情報処理方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989355A (en) * 1975-01-21 1976-11-02 Xerox Corporation Electro-optic display system
JPS57172315A (en) * 1981-04-17 1982-10-23 Yokogawa Hokushin Electric Corp Light controlling device
DE3218244C2 (de) * 1982-05-14 1985-08-08 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Vorrichtung zur optischen Datenverarbeitung
DE3325855A1 (de) * 1983-07-18 1985-01-31 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Einrichtung zum erzeugen eines signales entsprechend einem faltungsprodukt zweier funktionen
US4613949A (en) * 1984-02-17 1986-09-23 General Electric Company Composite pulses for time reversal in NMR imaging
IL74942A (en) * 1984-10-22 1988-11-30 Univ Leland Stanford Junior Flow measurement using nuclear magnetic resonance
DE3445689A1 (de) * 1984-12-14 1986-06-19 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Verfahren und einrichtung zur ortsaufgeloesten untersuchung einer probe mittels magnetischer resonanz von spinmomenten
US4697149A (en) * 1985-11-04 1987-09-29 Wisconsin Alumni Research Foundation NMR flow imaging using a composite excitation field and magnetic field gradient sequence
US4777956A (en) * 1986-08-06 1988-10-18 Stanford University NMR angiography system and method with immunity to inhomogeneity
US4718424A (en) * 1986-08-07 1988-01-12 Stanford University NMR imaging of blood flow by moment variation of magnetic gradients

Also Published As

Publication number Publication date
WO1988004046A1 (fr) 1988-06-02
JPH01502161A (ja) 1989-08-03
EP0290554A1 (fr) 1988-11-17
US5007426A (en) 1991-04-16
FR2607253A1 (fr) 1988-05-27

Similar Documents

Publication Publication Date Title
EP0228056A3 (en) A method for magnetic field gradient eddy current compensation
FI841447A7 (fi) Menetelmä yhdistettyjen, lomittaisten pulssisekvenssien käyttämiseksi liikevaikutuksien vähentämiseksi suoritetussa T1, T2 ja Mo ydinmagneet tiresonanssikuvauksessa.
IL78063A0 (en) Ferromagnetic shield for magnetic resonance magnets
DE68907276D1 (de) Stuetzvorrichtung einer strahlungsabschirmung in einem magnetresonanz-magneten.
GB2128745B (en) Method of measuring internal information from a body by using nuclear magnetic resonance
EP0188006A3 (en) Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients
FR2607253B1 (fr) Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire
GB8805700D0 (en) Method & apparatus for examination of body by nuclear magnetic resonance
FR2615286B1 (fr) Procede de mesure des flux dans une experimentation de resonance magnetique nucleaire
EP0204320A3 (en) Magnetic resonance imaging method
DE69028586D1 (de) System zum Senden und/oder Empfangen elektromagnetischer Strahlung mittels eines Hohlraumresonators aus Hoch-Tc-supraleitendem Material
GB2121188B (en) A method of tomographic scanning of an object by nuclear magnetic resonance
GB8612146D0 (en) Nuclear magnetic resonance imaging apparatus
GB2197487B (en) A magnetic shield for a magnetic resonance magnet
GB2234594B (en) Nuclear magnetic resonance imaging methods
DE3666632D1 (en) Nuclear magnetic resonance imaging method
FI902323A7 (fi) NdFeB-magneetti ja menetelmä NdFeB-magneettien pintapassivoimiseksi
FR2579753B1 (fr) Procede et dispositif d'imagerie par resonance magnetique nucleaire
IL82029A (en) Method for performing magnetic resonance studies of restricted volumes
GB8929123D0 (en) Magnetic steel plate for use as a magnetic shielding member and a method for the manufacture thereof
BR8604166A (pt) Metodo e aparelho de gravacao magnetica vertical de retorno a zero
GB8523673D0 (en) Nuclear magnetic resonance methods
FR2588995B1 (fr) Perfectionnement a une bobine de gradient pour appareils d'imagerie par resonance magnetique nucleaire
GB2164155B (en) Flow imaging by means of nuclear magnetic resonance
FR2622977B1 (fr) Procede et instrument de diagraphie par magnetisme nucleaire

Legal Events

Date Code Title Description
ST Notification of lapse