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FR2216580B1 - - Google Patents

Info

Publication number
FR2216580B1
FR2216580B1 FR7340276A FR7340276A FR2216580B1 FR 2216580 B1 FR2216580 B1 FR 2216580B1 FR 7340276 A FR7340276 A FR 7340276A FR 7340276 A FR7340276 A FR 7340276A FR 2216580 B1 FR2216580 B1 FR 2216580B1
Authority
FR
France
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
FR7340276A
Other versions
FR2216580A1 (fr
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.)
Hokkaido University NUC
Original Assignee
Hokkaido University NUC
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 Hokkaido University NUC filed Critical Hokkaido University NUC
Publication of FR2216580A1 publication Critical patent/FR2216580A1/fr
Application granted granted Critical
Publication of FR2216580B1 publication Critical patent/FR2216580B1/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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/716—Measuring the time taken to traverse a fixed distance using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]
    • 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]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Vascular Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
FR7340276A 1973-02-02 1973-11-13 Expired FR2216580B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48013508A JPS49103693A (fr) 1973-02-02 1973-02-02

Publications (2)

Publication Number Publication Date
FR2216580A1 FR2216580A1 (fr) 1974-08-30
FR2216580B1 true FR2216580B1 (fr) 1975-04-11

Family

ID=11835067

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7340276A Expired FR2216580B1 (fr) 1973-02-02 1973-11-13

Country Status (7)

Country Link
US (1) US3932805A (fr)
JP (1) JPS49103693A (fr)
DE (1) DE2356647A1 (fr)
FR (1) FR2216580B1 (fr)
GB (1) GB1461077A (fr)
NL (1) NL166543C (fr)
SU (1) SU852186A3 (fr)

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US4318043A (en) * 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
USRE32619E (en) * 1978-11-20 1988-03-08 Apparatus and method for nuclear magnetic resonance scanning and mapping
US4354499A (en) * 1978-11-20 1982-10-19 Damadian Raymond V Apparatus and method for nuclear magnetic resonance scanning and mapping
DE2854774A1 (de) * 1978-12-19 1980-07-10 Battelle Institut E V Vorrichtung zur noninvasiven, lokalen in-vivo-untersuchung von koerpergewebe, organen, knochen, nerven oder von stroemendem blut auf der basis der spin-echo-technik
US4339716A (en) * 1979-05-23 1982-07-13 Picker International Limited Nuclear magnetic resonance systems
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FR2475282B1 (fr) * 1980-02-05 1985-10-04 Radiologie Cie Gle Systeme de bobines electromagnetiques pour l'examen de corps volumineux par resonance magnetique nucleaire, et appareil d'imagerie du corps humain utilisant un tel systeme
WO1981002833A1 (fr) * 1980-04-04 1981-10-15 M Kalfaian Radiateur de champ pour la guerison du cancer et autre maladie
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US4957939A (en) * 1981-07-24 1990-09-18 Schering Aktiengesellschaft Sterile pharmaceutical compositions of gadolinium chelates useful enhancing NMR imaging
DE3129906C3 (de) * 1981-07-24 1996-12-19 Schering Ag Paramagnetische Komplexsalze, deren Herstellung und Mittel zur Verwendung bei der NMR-Diagnostik
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DE3209264A1 (de) * 1982-03-13 1983-09-22 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie
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EP0103372A3 (fr) * 1982-08-11 1986-05-07 Picker International Limited Procédé et appareil de résonance magnétique nucléaire
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JPS5985651A (ja) * 1982-11-08 1984-05-17 株式会社東芝 診断用核磁気共鳴装置
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US4556848A (en) * 1983-02-01 1985-12-03 The United States Of America As Represented By The United States Department Of Energy Point sensitive NMR imaging system using a magnetic field configuration with a spatial minimum
US4590427A (en) * 1983-03-28 1986-05-20 The United States Of America As Represented By The United States Department Of Energy Nuclear magnetic resonance apparatus having semitoroidal rf coil for use in topical NMR and NMR imaging
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JPS60549U (ja) * 1983-06-15 1985-01-05 横河メディカルシステム株式会社 核磁気共鳴イメ−ジング装置
US4613818A (en) * 1983-06-20 1986-09-23 The Medical College Of Wisconsin, Inc. Nuclear magnetic resonance blood flowmeter
US4595879A (en) * 1983-11-14 1986-06-17 Technicare Corporation Nuclear magnetic resonance flow imaging
US5720939A (en) * 1985-08-15 1998-02-24 Nycomed Imaging As Method of contrast enhanced magnetic resonance imaging using magnetically responsive-particles
US5618514A (en) * 1983-12-21 1997-04-08 Nycomed Imaging As Diagnostic and contrast agent
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JPH0617089Y2 (ja) * 1984-03-26 1994-05-02 日本電子株式会社 核磁気共鳴プローブ
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PT81498B (pt) * 1984-11-23 1987-12-30 Schering Ag Processo para a preparacao de composicoes para diagnostico contendo particulas magneticas
US4656026A (en) * 1984-12-10 1987-04-07 University Of Iowa Research Foundation Magnetic resonance (MR) image enhancement compounds for specific areas of the brain
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US4724389A (en) * 1985-05-08 1988-02-09 Medical College Of Wisconsin, Inc. Loop-gap resonator for localized NMR imaging
US4714886A (en) * 1985-07-16 1987-12-22 President And Fellows Of Harvard College Magnetic resonance analysis of substances in samples that include dissipative material
US4769601A (en) * 1985-08-22 1988-09-06 Amoco Corporation Method of and apparatus for determining cement strength and extent of setting with a pulsed nuclear magnetic resonance spectrometer
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US4697147A (en) * 1985-11-14 1987-09-29 Metriflow, Inc. Blood flow imaging using a CW NMR technique
US5219554A (en) * 1986-07-03 1993-06-15 Advanced Magnetics, Inc. Hydrated biodegradable superparamagnetic metal oxides
US4703272A (en) * 1986-08-29 1987-10-27 The Regents Of The University Of California Apparatus and method for decoupling MRI RF coil from selected body portions using passive components
JPS63189134A (ja) * 1987-02-02 1988-08-04 株式会社東芝 磁気共鳴イメ−ジング装置
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JPH0721471B2 (ja) * 1987-10-28 1995-03-08 アドヴァンスド・テクトロニクス・インコーポレーテッド 体質液の成分を試験するための核磁気共鳴装置
US4975644A (en) * 1989-03-29 1990-12-04 Kabushiki Kaisha Toshiba Coil system for a magnetic resonance imaging system
US5144236A (en) * 1990-08-17 1992-09-01 Strenk Scientific Consultants, Inc. Method and apparatus for r.f. tomography
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EP2410347A1 (fr) 2010-07-23 2012-01-25 Universitätsklinikum Freiburg IRM sélective en volume par moyen d'une préparation de phase spatialement non-linéaire et application d'une fonction de fenêtrage à l'acquisition
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US10602957B2 (en) 2015-06-30 2020-03-31 Varuna Biomedical Corporation Systems and methods for detecting and visualizing biofields with nuclear magnetic resonance imaging and QED quantum coherent fluid immersion
CN105445307B (zh) * 2015-12-08 2017-06-30 大连工业大学 一种海参盐渍过程中质构品质的低场核磁共振检测方法
EP4012433A4 (fr) * 2019-08-06 2023-08-30 National University Corporation Hokkaido University Appareil de transfert de polarisation et dispositif microfluidique
CN115371538B (zh) * 2022-09-22 2024-08-27 中国工程物理研究院材料研究所 一种涡流膜厚传感器

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US2858504A (en) * 1955-06-13 1958-10-28 Varian Associates Means and apparatus for improving the homogeneity of magnetic fields
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Also Published As

Publication number Publication date
GB1461077A (en) 1977-01-13
DE2356647A1 (de) 1974-08-08
NL166543C (nl) 1981-08-17
FR2216580A1 (fr) 1974-08-30
NL166543B (nl) 1981-03-16
NL7315322A (fr) 1974-08-06
US3932805A (en) 1976-01-13
DE2356647C2 (fr) 1991-04-18
JPS49103693A (fr) 1974-10-01
SU852186A3 (ru) 1981-07-30

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