FI904062A0 - Stroemningskompenserad snabb nmr (kaernmagnetisk resonans) pulssekvens. - Google Patents

Stroemningskompenserad snabb nmr (kaernmagnetisk resonans) pulssekvens.

Info

Publication number
FI904062A0
FI904062A0 FI904062A FI904062A FI904062A0 FI 904062 A0 FI904062 A0 FI 904062A0 FI 904062 A FI904062 A FI 904062A FI 904062 A FI904062 A FI 904062A FI 904062 A0 FI904062 A0 FI 904062A0
Authority
FI
Finland
Prior art keywords
stroemningskompenserad
resonans
kaernmagnetisk
snabb
nmr
Prior art date
Application number
FI904062A
Other languages
English (en)
Inventor
Matthew Abraham Bernstein
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 FI904062A0 publication Critical patent/FI904062A0/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
    • 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
    • G01R33/5613—Generating steady state signals, e.g. low flip angle sequences [FLASH]
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling

Landscapes

  • 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)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI904062A 1989-08-17 1990-08-16 Stroemningskompenserad snabb nmr (kaernmagnetisk resonans) pulssekvens. FI904062A0 (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/395,001 US4973906A (en) 1989-08-17 1989-08-17 Flow compensated NMR fast pulse sequence

Publications (1)

Publication Number Publication Date
FI904062A0 true FI904062A0 (fi) 1990-08-16

Family

ID=23561289

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904062A FI904062A0 (fi) 1989-08-17 1990-08-16 Stroemningskompenserad snabb nmr (kaernmagnetisk resonans) pulssekvens.

Country Status (5)

Country Link
US (1) US4973906A (fi)
EP (1) EP0413511A3 (fi)
JP (1) JPH0620448B2 (fi)
FI (1) FI904062A0 (fi)
IL (1) IL95181A0 (fi)

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US5170122A (en) * 1991-07-25 1992-12-08 General Electric NMR imaging using flow compensated SSFP pulse sequences
US5185574A (en) * 1991-08-09 1993-02-09 Mayo Foundation For Medical Education And Research NMR measurements using recursive RF excitation
US5280244A (en) * 1992-03-19 1994-01-18 General Electric Company Gradient moment nulling in a fast spin echo NMR pulse sequence
JPH0654817A (ja) * 1992-04-24 1994-03-01 Philips Electron Nv 磁気共鳴画像方法及び装置
EP0567194A3 (en) * 1992-04-24 1994-05-18 Philips Electronics Nv Method and apparatus for rapid spin echo magnetic resonance imaging
EP0576712A1 (de) * 1992-07-03 1994-01-05 Siemens Aktiengesellschaft Pulssequenz zur schnellen Bildgebung in der Kernspintomographie
US5256967A (en) * 1992-10-01 1993-10-26 General Electric Company Fast NMR image acquisition with spectrally selective inversion pulses
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
US5521502A (en) * 1994-04-25 1996-05-28 Georgia Tech Research Corporation Flow differentiation scheme for magnetic resonance angiography
JP3453089B2 (ja) * 1999-08-20 2003-10-06 ジーイー横河メディカルシステム株式会社 Ｍｒｉ装置
US6493569B2 (en) * 2000-12-30 2002-12-10 Ge Medical Systems Global Technology Company, Llc Method and apparatus using post contrast-enhanced steady-state free precession in MR imaging
DE10112704B4 (de) * 2001-03-16 2004-03-18 Universitätsklinikum Freiburg Verfahren zur Messung der Magnetresonanz (NMR) mittels Driven Equilibrium
DE10138961B4 (de) * 2001-08-08 2006-09-28 Universitätsklinikum Freiburg Verfahren zur Messung der Magnetresonanz (NMR) mittels Steady State Signalen (SSFP)
DE10157540B4 (de) * 2001-11-23 2007-01-11 Siemens Ag Doppelechosequenz und Magnetresonanzgerät zum Ausführen der Doppelechosequenz und Verwendung desselben in der Orthopädie
US7558612B2 (en) * 2002-04-16 2009-07-07 The Board Of Trustees Of The Leland Stanford Junior University Motion compensated spiral FISP MRI
US20030210044A1 (en) * 2002-05-13 2003-11-13 Ken-Pin Hwang Missing pulse steady state free precession
US6806709B2 (en) * 2002-12-11 2004-10-19 The Board Of Trustees Of The Leland Stanford Junior University Flow imaging using balanced phase contrast steady state free precession magnetic resonance imaging
US7046004B2 (en) * 2004-05-07 2006-05-16 University Of Basel Generic eddy-current compensation in magnetic resonance imaging
JP4192139B2 (ja) * 2004-10-27 2008-12-03 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 Ｓｓｆｐパルスシーケンスにおけるフェーズサイクリング法および磁気共鳴撮影装置
WO2006087934A1 (ja) * 2005-02-16 2006-08-24 Hitachi Medical Corporation 磁気共鳴イメージング方法及び装置
JP4679968B2 (ja) * 2005-05-25 2011-05-11 株式会社日立メディコ 磁気共鳴イメージング装置
JP2007090001A (ja) * 2005-09-30 2007-04-12 Ge Medical Systems Global Technology Co Llc Ｍｒスキャン方法およびｍｒｉ装置
US8219176B2 (en) * 2007-03-08 2012-07-10 Allegheny-Singer Research Institute Single coil parallel imaging
CN101281241B (zh) * 2007-04-06 2012-06-20 Ge医疗系统环球技术有限公司 Mri设备及其控制方法
US7541808B2 (en) * 2007-04-11 2009-06-02 Allegheny-Singer Research Institute Rapid MRI dynamic imaging using MACH
US8159221B2 (en) * 2007-11-22 2012-04-17 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and method using SSFP having non-zero first moment gradients within the repetition time
US8148981B2 (en) * 2007-12-20 2012-04-03 Kabushiki Kaisha Toshiba MRI apparatus and MRI method for SSFP with center frequency and 1st order gradient moments zeroed
US7834625B2 (en) * 2008-01-03 2010-11-16 Allegheny-Singer Research Institute Split-echo with fractional temporal-interpolation
US8688193B2 (en) * 2008-06-26 2014-04-01 Allegheny-Singer Research Institute Magnetic resonance imager, method and program which continuously applies steady-state free precession to k-space
US8131046B2 (en) * 2008-10-29 2012-03-06 Allegheny-Singer Research Institute Magnetic resonance imager using cylindrical offset region of excitation, and method
US20100234721A1 (en) * 2009-03-11 2010-09-16 Allegheny-Singer Research Institute Method and MRI for referenceless flow imaging
US9211081B2 (en) 2009-04-16 2015-12-15 Ghost Medical Technologies, Ltd Method for non-contrast enhanced magnetic resonance angiography
US8332010B2 (en) * 2009-04-16 2012-12-11 Ghost Medical Technologies, Ltd Method for non-contrast enhanced magnetic resonance angiography
US9176212B2 (en) 2009-04-16 2015-11-03 Ghost Medical Technologies, Ltd Method for non-contrast enhanced magnetic resonance angiography
US8198892B2 (en) * 2009-04-22 2012-06-12 Allegheny-Singer Research Institute Steady-state-free-precession (SSFP) magnetic resonance imaging (MRI) and method
US8405394B2 (en) * 2009-10-20 2013-03-26 Allegheny-Singer Research Institute Targeted acquisition using holistic ordering (TACHO) approach for high signal to noise imaging
US20110215805A1 (en) * 2010-03-03 2011-09-08 Allegheny-Singer Research Institute MRI and method using multi-slice imaging
US9507003B2 (en) 2012-09-19 2016-11-29 Northshore University Healthsystem System and method for imaging of vascular structures using non-contrast enhanced magnetic resonance imaging
KR101442619B1 (ko) * 2012-11-26 2014-09-22 삼성전자주식회사 Ｍｒｉ 시스템 및 ｍｒｉ 시스템 진단 방법
US9113810B2 (en) 2013-01-11 2015-08-25 Northshore University Healthsystem System and method for ungated non-contrast enhanced magnetic resonance angiography
US9241654B2 (en) 2013-06-20 2016-01-26 Northshore University Healthsystem System and method for selective magnetic resonance imaging angiography of arteries or veins
DE102015223658B4 (de) * 2015-11-30 2017-08-17 Siemens Healthcare Gmbh Verfahren zum Erfassen von Magnetresonanz-Signalen eines Untersuchungsobjekts
DE102017221608A1 (de) * 2017-11-30 2019-06-06 Siemens Healthcare Gmbh Vorrichtung und Verfahren zum Erzeugen von Anregungspulsen

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FR2271571B1 (fi) * 1974-02-05 1977-03-04 Cameca
US4639671A (en) * 1983-05-31 1987-01-27 General Electric Company Simultaneous NMR imaging system
US4656424A (en) * 1984-11-07 1987-04-07 Yuval Tsur Apparatus and methods for selective excitation
US4665365A (en) * 1985-01-07 1987-05-12 General Electric Company Method for reversing residual transverse magnetization due to phase-encoding magnetic field gradients
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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
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US4714081A (en) * 1986-03-03 1987-12-22 General Electric Company Methods for NMR angiography
US4796635A (en) * 1987-02-11 1989-01-10 General Electric Company Multiple-echo, multiple-view NMR angiography
US4800889A (en) * 1987-04-06 1989-01-31 General Electric Company Rapid-scan NMR angiography
US4812760A (en) * 1987-07-27 1989-03-14 General Electric Company Multi-dimensional selective NMR excitation with a single RF pulse
US4849697A (en) * 1988-06-27 1989-07-18 General Electric Company Three-dimensional magnetic resonance flow-contrast angiography with suppression of stationary material
US4896113A (en) * 1988-11-25 1990-01-23 General Electric Company Use of repeated gradient echoes for noise reduction and improved NMR imaging
US4918386A (en) * 1988-12-23 1990-04-17 General Electric Company Method for simultaneously obtaining three-dimensional NMR angiograms and stationary tissue NMR images

Also Published As

Publication number Publication date
IL95181A0 (en) 1991-06-10
EP0413511A2 (en) 1991-02-20
EP0413511A3 (en) 1991-09-04
US4973906A (en) 1990-11-27
JPH03118043A (ja) 1991-05-20
JPH0620448B2 (ja) 1994-03-23

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Owner name: GENERAL ELECTRIC COMPANY