DE3673107D1 - Modulationsverfahren des geschwindigkeitseffekts von beweglichen teilchen eines koerpers in einer dichtemessung mittels der kernmagnetischen resonanz. - Google Patents

Modulationsverfahren des geschwindigkeitseffekts von beweglichen teilchen eines koerpers in einer dichtemessung mittels der kernmagnetischen resonanz.

Info

Publication number
DE3673107D1
DE3673107D1 DE8686401788T DE3673107T DE3673107D1 DE 3673107 D1 DE3673107 D1 DE 3673107D1 DE 8686401788 T DE8686401788 T DE 8686401788T DE 3673107 T DE3673107 T DE 3673107T DE 3673107 D1 DE3673107 D1 DE 3673107D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
modulation method
density measurement
moving particles
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 - Fee Related
Application number
DE8686401788T
Other languages
English (en)
Inventor
Roux Patrick Le
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
General Electric CGR SA
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
Priority claimed from FR8512352A external-priority patent/FR2586296B1/fr
Application filed by General Electric CGR SA filed Critical General Electric CGR SA
Application granted granted Critical
Publication of DE3673107D1 publication Critical patent/DE3673107D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/56341—Diffusion 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)
DE8686401788T 1985-08-13 1986-08-08 Modulationsverfahren des geschwindigkeitseffekts von beweglichen teilchen eines koerpers in einer dichtemessung mittels der kernmagnetischen resonanz. Expired - Fee Related DE3673107D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8512352A FR2586296B1 (fr) 1985-08-13 1985-08-13 Procede de modulation de l'effet de la vitesse des parties mobiles d'un corps dans une mesure de densite par resonance magnetique nucleaire, et mise en oeuvre du procede pour en deduire la vitesse des parties mobiles concernees
US06/808,049 US4694253A (en) 1985-08-13 1985-12-12 Process for the modulation of the speed effect of moving parts of a body in a nuclear magnetic resonance density measurement and performance of the process in order to deduce therefrom the speed of the moving parts in question

Publications (1)

Publication Number Publication Date
DE3673107D1 true DE3673107D1 (de) 1990-09-06

Family

ID=26224681

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686401788T Expired - Fee Related DE3673107D1 (de) 1985-08-13 1986-08-08 Modulationsverfahren des geschwindigkeitseffekts von beweglichen teilchen eines koerpers in einer dichtemessung mittels der kernmagnetischen resonanz.

Country Status (2)

Country Link
EP (1) EP0216657B1 (de)
DE (1) DE3673107D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731583A (en) * 1985-11-15 1988-03-15 General Electric Company Method for reduction of MR image artifacts due to flowing nuclei by gradient moment nulling
FR2621693A1 (fr) * 1987-10-13 1989-04-14 Thomson Cgr Procede d'imagerie de mouvements intravoxels par rmn dans un corps
US5115812A (en) * 1988-11-30 1992-05-26 Hitachi, Ltd. Magnetic resonance imaging method for moving object

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516075A (en) * 1983-01-04 1985-05-07 Wisconsin Alumni Research Foundation NMR scanner with motion zeugmatography
US4616180A (en) * 1983-11-14 1986-10-07 Technicare Corporation Nuclear magnetic resonance imaging with reduced sensitivity to motional effects

Also Published As

Publication number Publication date
EP0216657A1 (de) 1987-04-01
EP0216657B1 (de) 1990-08-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee