FI843066A - Foerfaringssaett foer bildning av kaern- magnetisk resonansbild med tillhjaelp av selektiv magnetisering och fri presession kombination omfattande pulsserier. - Google Patents

Foerfaringssaett foer bildning av kaern- magnetisk resonansbild med tillhjaelp av selektiv magnetisering och fri presession kombination omfattande pulsserier. Download PDF

Info

Publication number
FI843066A
FI843066A FI843066A FI843066A FI843066A FI 843066 A FI843066 A FI 843066A FI 843066 A FI843066 A FI 843066A FI 843066 A FI843066 A FI 843066A FI 843066 A FI843066 A FI 843066A
Authority
FI
Finland
Prior art keywords
resonansbild
pulsserier
magnetisk
magnetisering
kaern
Prior art date
Application number
FI843066A
Other languages
English (en)
Finnish (fi)
Other versions
FI843066A0 (fi
Inventor
William Alan Edelstein
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of FI843066A0 publication Critical patent/FI843066A0/fi
Publication of FI843066A publication Critical patent/FI843066A/fi

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
    • G01R33/561—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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI843066A 1983-09-09 1984-08-03 Foerfaringssaett foer bildning av kaern- magnetisk resonansbild med tillhjaelp av selektiv magnetisering och fri presession kombination omfattande pulsserier. FI843066A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/530,810 US4532474A (en) 1983-09-09 1983-09-09 Nuclear magnetic resonance imaging using pulse sequences combining selective excitation and driven free precession

Publications (2)

Publication Number Publication Date
FI843066A0 FI843066A0 (fi) 1984-08-03
FI843066A true FI843066A (fi) 1985-03-10

Family

ID=24115074

Family Applications (1)

Application Number Title Priority Date Filing Date
FI843066A FI843066A (fi) 1983-09-09 1984-08-03 Foerfaringssaett foer bildning av kaern- magnetisk resonansbild med tillhjaelp av selektiv magnetisering och fri presession kombination omfattande pulsserier.

Country Status (7)

Country Link
US (1) US4532474A (fr)
EP (1) EP0135847B1 (fr)
JP (1) JPS6095339A (fr)
KR (1) KR880001364B1 (fr)
DE (1) DE3483990D1 (fr)
FI (1) FI843066A (fr)
IL (1) IL72687A0 (fr)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE33279E (en) * 1983-10-07 1990-07-31 General Electric Company Method for rapid acquisition of NMR data
GB2148013B (en) * 1983-10-12 1988-02-03 Yokogawa Electric Corp Nuclear magnetic resonance imaging
US4689567A (en) * 1984-06-01 1987-08-25 Advanced Nmr Systems, Inc. NMR Fourier imaging from multiple echoes
JPS6117054A (ja) * 1984-07-03 1986-01-25 Yokogawa Medical Syst Ltd 核磁気共鳴断層撮影装置
JPS61234344A (ja) * 1985-04-10 1986-10-18 Mitsubishi Electric Corp 核磁気共鳴映像法
JPS6148753A (ja) * 1984-08-17 1986-03-10 Mitsubishi Electric Corp 核磁気共鳴映像装置
US4649345A (en) * 1984-08-17 1987-03-10 Mitsubishi Denki Kabushiki Kaisha NMR imaging method
DE3434161A1 (de) * 1984-09-18 1986-03-27 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz
IL74942A (en) * 1984-10-22 1988-11-30 Univ Leland Stanford Junior Flow measurement using nuclear magnetic resonance
US4678995A (en) * 1984-12-12 1987-07-07 Yale University Apparatus and method for determining the presence of substances in a sample by NMR and producing an NMR image thereof
US4665365A (en) * 1985-01-07 1987-05-12 General Electric Company Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients
DE3504734C2 (de) * 1985-02-12 1998-12-10 Max Planck Gesellschaft Verfahren und Vorrichtung zur Aufnahme von Spinresonanzdaten
JPS61191949A (ja) * 1985-02-19 1986-08-26 Toshiba Corp 磁気共鳴イメ−ジング装置
US4779620A (en) * 1985-06-11 1988-10-25 Siemens Aktiengesellschaft Nuclear magnetic resonance tomography apparatus and method
JPS628046A (ja) * 1985-07-04 1987-01-16 Yokogawa Electric Corp 核磁気共鳴信号の処理方法
US4788500A (en) * 1985-08-14 1988-11-29 Brigham & Women's Hospital Measurement of capillary flow using nuclear magnetic resonance
US4769603A (en) * 1985-08-19 1988-09-06 Siemens Aktiengesellschaft Method for the operation of a nuclear magnetic resonance apparatus
DE3538464A1 (de) * 1985-10-29 1987-04-30 Siemens Ag Verfahren zum betrieb eines kernspinresonanzgeraetes fuer die schnelle bestimmung der laengsrelaxationszeit t(pfeil abwaerts)1(pfeil abwaerts)
GB8528357D0 (en) * 1985-11-18 1985-12-24 Picker Int Ltd Nuclear magnetic resonance imaging
US4716367A (en) * 1986-08-15 1987-12-29 Brigham & Women's Hospital Creation and use of a moving reference frame for NMR imaging of flow
IL79732A (en) * 1986-08-15 1990-03-19 Elscint Ltd Magnetic resonance imaging with driven equilibrium
US4739766A (en) * 1986-08-18 1988-04-26 Duke University NMR blood vessel imaging method and apparatus
IL80727A (en) * 1986-11-21 1990-06-10 Elscint Ltd Noise reduction in magnetic resonance images
US4740748A (en) * 1986-12-03 1988-04-26 Advanced Nmr Systems, Inc. Method of high-speed magnetic resonance imaging
JPH0687847B2 (ja) * 1987-03-06 1994-11-09 株式会社東芝 磁気共鳴映像装置
FR2613076B1 (fr) * 1987-03-25 1990-05-18 Thomson Cgr Procede d'imagerie rapide par resonance magnetique nucleaire
DE3724157A1 (de) * 1987-07-22 1989-02-02 Philips Patentverwaltung Kernspinuntersuchungsverfahren
GB8719244D0 (en) * 1987-08-14 1987-09-23 Mansfield P Nmr imaging
US4792758A (en) * 1987-11-19 1988-12-20 Picker International, Inc. Steady-state echo magnetic resonance imaging
US5377679A (en) * 1988-10-27 1995-01-03 Kabushiki Kaisha Toshiba Magnetic resonance imaging system
US4933639A (en) * 1989-02-13 1990-06-12 The Board Of Regents, The University Of Texas System Axis translator for magnetic resonance imaging
AU4836396A (en) 1995-02-24 1996-09-11 British Technology Group Limited Method of and apparatus for nuclear quadrupole resonance testing a sample, and pulse sequence for exciting nuclear quadrupole resonance
US6219571B1 (en) 1998-04-06 2001-04-17 Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging using driven equilibrium fourier transform
US6587708B2 (en) 2000-12-29 2003-07-01 Ge Medical Systems Global Technology, Llc Method for coherent steady-state imaging of constant-velocity flowing fluids
JP2007068796A (ja) * 2005-09-08 2007-03-22 Ge Medical Systems Global Technology Co Llc Ｒｆパルス印加方法およびｍｒｉ装置
JP7020930B2 (ja) * 2018-01-24 2022-02-16 富士フイルムヘルスケア株式会社 磁気共鳴イメージング装置、磁気共鳴イメージングシステム及びパラメータ推定方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
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
GB2052753B (en) * 1979-05-23 1983-08-03 Emi Ltd Nmr system
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
EP0076054B1 (fr) * 1981-09-21 1986-06-04 Peter Mansfield Méthodes de résonance magnétique nucléaire
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
US4484138A (en) * 1982-07-01 1984-11-20 General Electric Company Method of eliminating effects of spurious free induction decay NMR signal caused by imperfect 180 degrees RF pulses

Also Published As

Publication number Publication date
EP0135847A3 (en) 1986-10-08
IL72687A0 (en) 1984-11-30
KR880001364B1 (ko) 1988-07-28
EP0135847B1 (fr) 1991-01-23
JPH0345648B2 (fr) 1991-07-11
FI843066A0 (fi) 1984-08-03
US4532474A (en) 1985-07-30
EP0135847A2 (fr) 1985-04-03
JPS6095339A (ja) 1985-05-28
DE3483990D1 (de) 1991-02-28
KR850002323A (ko) 1985-05-10

Similar Documents

Publication Publication Date Title
FI843066A0 (fi) Foerfaringssaett foer bildning av kaern- magnetisk resonansbild med tillhjaelp av selektiv magnetisering och fri presession kombination omfattande pulsserier.
FI844656A0 (fi) Foerfarande och blandning foer kontrollerad framstaellning av foertaerbara laekemedel med laong verkningstid.
FI840642A (fi) Foerfarande och anordning foer avbildning av blodets stroemning med hjaelp av kaernmagnetisk resonans.
FI841459A0 (fi) Vaegg- eller takelement bestaoende av en skumplastkaerna och metalliska taeckskikt.
FI851873L (fi) Foerfarande och anordning foer framstaellning av fibermassa.
FI840375A (fi) Foerfarande foer elektrisk motstaonds- rullsvetsning och svetsmaskin foer genomfoerande av foerfarandet.
FI853204A0 (fi) Foerfarande och anordning foer beroeringsfri kvalitetsidentifiering och strukturbeskrivning av exempelvis arbetsstycken saosom virkesstycken.
FI843054A (fi) Med flaensar foersedda vaermevaexlarroer och foerfarande och anordning foer tillverkning av dessa.
FI831802L (fi) Stroemningsregulator och anvaendning av denna.
FI831524L (fi) Foerfarande och anordning foer aostadkommande av en av intensitetfoerdelning justerbar elektronridao.
FI842680A (fi) Foerfarande foer framstaellning av biorostkol och anordning foer utfoering av foerfarandet.
FI832885A (fi) Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet.
FI832401L (fi) Foerfarande foer framstaellning och belaeggning av skivformiga stycken.
FI843328A0 (fi) Foerfarande foer framstaellning av staol med laog kolhalt under reglering av kolets aendpunkt och smaelttemperatur.
FI844495L (fi) Enhet och foerfarande foer reglering av stroemning i samband med flytande braensle fungerande braennare och i samband med atomiseringsanordningar.
FI833228A (fi) Skyddshandske och foerfarande foer tillverkning av densamma.
FI833869A (fi) Hydrometallurgiskt foerfarande foer behandling av klorider och fluorider innehaollande raoaemnen av vaerdefulla metaller.
FI830402L (fi) Foerfarande och anordning foer styrning av funktionen av en borrmaskins matningsmotor.
FI840453A (fi) Syreinjekteringsmunstycke med stabiliserad oeverljudsstraole foer faerskning av gjutjaern och saerskilt kromhaltigt gjutjaern.
FI833788A (fi) Foerfarande foer framstaellning av zeolitkatalyter och alkyleringsprocess.
FI831997L (fi) Foerfarande och anordning foer katalytisk oxidering av svaveldioxid.
FI831432L (fi) Foerfarande och anordning foer behandling och provning av papper.
FI834442A (fi) Foerfarande foer styrning av en vaexelvaeljarautomat i en med en hydraulisk momentomvandlare foersedd vaexellaoda och vaexelvaeljarautomat.
FI832185L (fi) Foerfarande och anordning foer framstaellning av en nyckel och laosets hinderskivor.
FI830428L (fi) Foerfarande foer framstaellning av ureid innehaollande riktligt med kvaeve och anvaendningar av foerfarandet.

Legal Events

Date Code Title Description
FD Application lapsed

Owner name: GENERAL ELECTRIC COMPANY