FI841447A0 - Foerfarande foer anvaendning av kombinerade, varvade pulssekvenser foer minskning av roerelseinverkan vid utfoerd t1, t2 och mo-avbildning med kaernmagnetisk resonans. - Google Patents

Foerfarande foer anvaendning av kombinerade, varvade pulssekvenser foer minskning av roerelseinverkan vid utfoerd t1, t2 och mo-avbildning med kaernmagnetisk resonans.

Info

Publication number
FI841447A0
FI841447A0 FI841447A FI841447A FI841447A0 FI 841447 A0 FI841447 A0 FI 841447A0 FI 841447 A FI841447 A FI 841447A FI 841447 A FI841447 A FI 841447A FI 841447 A0 FI841447 A0 FI 841447A0
Authority
FI
Finland
Prior art keywords
foer
varvade
utfoerd
roerelseinverkan
resonans
Prior art date
Application number
FI841447A
Other languages
English (en)
Other versions
FI841447A (fi
Inventor
James Russell Macfall
B I
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 FI841447A0 publication Critical patent/FI841447A0/fi
Publication of FI841447A publication Critical patent/FI841447A/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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI841447A 1983-06-03 1984-04-11 Foerfarande foer anvaendning av kombinerade, varvade pulssekvenser foer minskning av roerelseinverkan vid utfoerd t1, t2 och mo-avbildning med kaernmagnetisk resonans. FI841447A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/500,666 US4549140A (en) 1983-06-03 1983-06-03 Method utilizing combined, interleaved pulse sequences for reducing motion artifacts in computed T1,T2 and M0 NMR imaging

Publications (2)

Publication Number Publication Date
FI841447A0 true FI841447A0 (fi) 1984-04-11
FI841447A FI841447A (fi) 1984-12-04

Family

ID=23990419

Family Applications (1)

Application Number Title Priority Date Filing Date
FI841447A FI841447A (fi) 1983-06-03 1984-04-11 Foerfarande foer anvaendning av kombinerade, varvade pulssekvenser foer minskning av roerelseinverkan vid utfoerd t1, t2 och mo-avbildning med kaernmagnetisk resonans.

Country Status (5)

Country Link
US (1) US4549140A (fi)
EP (1) EP0127850A3 (fi)
JP (1) JPS6047945A (fi)
FI (1) FI841447A (fi)
IL (1) IL71472A0 (fi)

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* Cited by examiner, † Cited by third party
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US4581581A (en) * 1983-06-30 1986-04-08 General Electric Company Method of projection reconstruction imaging with reduced sensitivity to motion-related artifacts
JPS6024463A (ja) * 1983-07-20 1985-02-07 Toshiba Corp 核磁気共鳴映像法
US4604579A (en) * 1983-07-21 1986-08-05 The Regents Of The University Of California Method and apparatus for enhanced T1 NMR measurements using repetition intervals TR related to one another by integer multiples
EP0172345B1 (de) * 1984-08-01 1989-05-10 Siemens Aktiengesellschaft Gerät zur Erzeugung von Bildern eines Untersuchungsobjektes
US4612504A (en) * 1984-11-21 1986-09-16 General Electric Company Method for removing the effects of baseline error components in NMR imaging applications
US4665365A (en) * 1985-01-07 1987-05-12 General Electric Company Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients
DE3514530A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Kernspinresonanzgeraet
NL8501459A (nl) * 1985-05-22 1986-12-16 Philips Nv Werkwijze voor het verminderen van artefacten bij het met behulp van fourier-zeugmatografie bepalen van beelden.
US4695800A (en) * 1985-06-06 1987-09-22 Technicare Corporation Non harmonic NMR spin echo imaging
US4667159A (en) * 1985-06-10 1987-05-19 General Electric Company Method of, and apparatus for, minimizing magnetic resonance imaging artifacts due to power line interference
US4728890A (en) * 1985-08-16 1988-03-01 Picker International, Inc. Motion artifact suppression technique of magnetic resonance imaging
US4663591A (en) * 1985-08-16 1987-05-05 General Electric Company Method for reducing image artifacts due to periodic signal variations in NMR imaging
US4706026A (en) * 1985-08-16 1987-11-10 General Electric Company Method for reducing image artifacts due to periodic signal variations in NMR imaging
US4721912A (en) * 1985-09-30 1988-01-26 The Reagents Of The University Of California Apparatus and method for initially capturing most significant low spatial frequency NMR imaging data
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
US4746863A (en) * 1985-11-07 1988-05-24 The Regents Of The University Of California Contiguous slices in multi-slice MRI
FR2590025B1 (fr) * 1985-11-12 1987-12-18 Thomson Cgr Appareil d'imagerie par resonance magnetique nucleaire
JPS62139641A (ja) * 1985-12-16 1987-06-23 横河メディカルシステム株式会社 Ｎｍｒイメ−ジング装置
NL8503525A (nl) * 1985-12-20 1987-07-16 Philips Nv Mri-werkwijze en inrichting ter reductie van beweginsartefacten.
US4717879A (en) * 1986-05-05 1988-01-05 Duke University Pulse sequence for NMR image acquisition
US4734646A (en) * 1986-09-16 1988-03-29 Fonar Corporation Method for obtaining T1-weighted and T2-weighted NMR images for a plurality of selected planes in the course of a single scan
US4982161A (en) * 1989-08-24 1991-01-01 North American Philips Corporation Multimode magnetic resonance fast imaging method
US5227725A (en) * 1990-11-29 1993-07-13 The United States Of America As Represented By The Secretary Of The Navy Nuclear magnetic resonance imaging with short gradient pulses
US5387866A (en) * 1993-08-12 1995-02-07 General Electric Company Methods for high-speed measurement of spin-lattice relaxation times
US6600315B1 (en) * 2000-03-03 2003-07-29 Schlumberger Technology Corporation Method for improving resolution of nuclear magnetic resonance measurements by combining low resolution high accuracy measurements with high resolution low accuracy measurements
CA2341812A1 (en) * 2000-03-24 2001-09-24 National Research Council Of Canada Magnetic resonance spectroscopic imaging with a variable repetition time in conjunction with a variable data acquistion time
US6650114B2 (en) * 2001-06-28 2003-11-18 Baker Hughes Incorporated NMR data acquisition with multiple interecho spacing
JP4494937B2 (ja) * 2004-11-08 2010-06-30 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
US10429469B2 (en) * 2012-04-11 2019-10-01 Dignity Health System and method for magnetic resonance imaging using three-dimensional, distributed, non-Cartesian sampling trajectories

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1584950A (en) * 1978-05-25 1981-02-18 Emi Ltd Imaging systems
DE3162208D1 (en) * 1980-03-14 1984-03-22 Nat Res Dev Methods of producing image information from objects
US4475084A (en) * 1981-01-15 1984-10-02 Picker International Limited Nuclear magnetic resonance detector
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
US4471306A (en) * 1982-02-03 1984-09-11 General Electric Company Method of NMR imaging which overcomes T2 * effects in an inhomogeneous static magnetic field
US4443760A (en) * 1982-07-01 1984-04-17 General Electric Company Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging
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
US4516075A (en) * 1983-01-04 1985-05-07 Wisconsin Alumni Research Foundation NMR scanner with motion zeugmatography

Also Published As

Publication number Publication date
US4549140A (en) 1985-10-22
FI841447A (fi) 1984-12-04
EP0127850A2 (en) 1984-12-12
IL71472A0 (en) 1984-07-31
JPS6047945A (ja) 1985-03-15
EP0127850A3 (en) 1987-05-27

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Owner name: GENERAL ELECTRIC COMPANY