FI830277L - Foerfarande foer gestaltning av kaernmagnetisk resonans som inte paoverkas av t2*-effekter i ett heterogent statiskt magnetfaelt - Google Patents

Foerfarande foer gestaltning av kaernmagnetisk resonans som inte paoverkas av t2*-effekter i ett heterogent statiskt magnetfaelt

Info

Publication number
FI830277L
FI830277L FI830277A FI830277A FI830277L FI 830277 L FI830277 L FI 830277L FI 830277 A FI830277 A FI 830277A FI 830277 A FI830277 A FI 830277A FI 830277 L FI830277 L FI 830277L
Authority
FI
Finland
Prior art keywords
statiskt
resonans
paoverkas
magnetfaelt
kaernmagnetisk
Prior art date
Application number
FI830277A
Other languages
English (en)
Other versions
FI78358B (fi
FI830277A0 (fi
FI78358C (fi
Inventor
William Alan Edelstein
Paul Arthur Bottomley
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23355083&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI830277(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Gen Electric filed Critical Gen Electric
Publication of FI830277A0 publication Critical patent/FI830277A0/fi
Publication of FI830277L publication Critical patent/FI830277L/fi
Publication of FI78358B publication Critical patent/FI78358B/fi
Application granted granted Critical
Publication of FI78358C publication Critical patent/FI78358C/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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

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)
FI830277A 1982-02-03 1983-01-26 Foerfarande och anordning foer gestaltning av kaernmagnetisk resonans som inte paoverkas av t2*-effekter i ett heterogent statiskt magnetfaelt. FI78358C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34544482 1982-02-03
US06/345,444 US4471306A (en) 1982-02-03 1982-02-03 Method of NMR imaging which overcomes T2 * effects in an inhomogeneous static magnetic field

Publications (4)

Publication Number Publication Date
FI830277A0 FI830277A0 (fi) 1983-01-26
FI830277L true FI830277L (fi) 1983-08-04
FI78358B FI78358B (fi) 1989-03-31
FI78358C FI78358C (fi) 1989-07-10

Family

ID=23355083

Family Applications (1)

Application Number Title Priority Date Filing Date
FI830277A FI78358C (fi) 1982-02-03 1983-01-26 Foerfarande och anordning foer gestaltning av kaernmagnetisk resonans som inte paoverkas av t2*-effekter i ett heterogent statiskt magnetfaelt.

Country Status (6)

Country Link
US (1) US4471306A (fi)
EP (1) EP0086972B2 (fi)
JP (1) JPS58151545A (fi)
DE (1) DE3365200D1 (fi)
FI (1) FI78358C (fi)
IL (1) IL67771A (fi)

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US4549140A (en) * 1983-06-03 1985-10-22 General Electric Company Method utilizing combined, interleaved pulse sequences for reducing motion artifacts in computed T1,T2 and M0 NMR imaging
US4621235A (en) * 1983-06-07 1986-11-04 U.S. Philips Corporation Method of and device for determining a nuclear magnetization distribution in a region of a body
FI833807A7 (fi) * 1983-06-23 1984-12-24 Instrumentarium Oy Foerfarande foer utredning av aemnets eller magnetfaeltets egenskaper.
JPS6031069A (ja) * 1983-08-01 1985-02-16 Hitachi Ltd 核磁気共鳴を用いた検査装置
GB8321308D0 (en) * 1983-08-08 1983-09-07 M & D Technology Ltd Radio frequency coil
US4817612A (en) * 1983-08-14 1989-04-04 University Of Florida Cross-coupled double loop receiver coil for NMR imaging of cardiac and thoraco-abdominal regions of the human body
JPS6039539A (ja) * 1983-08-15 1985-03-01 Hitachi Ltd 核磁気共鳴を用いた検査装置
US4689562A (en) * 1983-10-11 1987-08-25 Elscint Ltd. NMR Imaging method and system
US4595879A (en) * 1983-11-14 1986-06-17 Technicare Corporation Nuclear magnetic resonance flow imaging
US4570119A (en) * 1983-11-15 1986-02-11 General Electric Company Method for visualization of in-plane fluid flow by proton NMR imaging
US4593247A (en) * 1983-11-25 1986-06-03 General Electric Company Method of NMR imaging with off-center zoom scan
US4585993A (en) * 1983-12-14 1986-04-29 General Electric Company Method for selective NMR imaging of chemically-shifted nuclei
GB8415078D0 (en) * 1984-06-13 1984-07-18 Picker Int Ltd Nuclear magnetic resonance imaging
JPS61153554A (ja) * 1984-12-26 1986-07-12 Toshiba Corp 磁気共鳴イメ−ジング装置
US4614930A (en) * 1985-03-25 1986-09-30 General Electric Company Radially magnetized cylindrical magnet
US4746863A (en) * 1985-11-07 1988-05-24 The Regents Of The University Of California Contiguous slices in multi-slice MRI
US4649347A (en) * 1985-11-15 1987-03-10 General Electric Company Method for off-center field-of-view imaging using MR
DE3542215A1 (de) * 1985-11-29 1987-06-04 Philips Patentverwaltung Kernspintomographieverfahren und anordnung zur durchfuehrung des verfahrens
JPH0731525B2 (ja) * 1986-03-31 1995-04-10 株式会社東芝 シ−ケンス制御回路
US4777956A (en) * 1986-08-06 1988-10-18 Stanford University NMR angiography system and method with immunity to inhomogeneity
DE3769560D1 (de) * 1986-08-18 1991-05-29 Siemens Ag Verfahren zur ermittlung von kernmagnetischen spektren aus raeumlich selektierbaren bereichen eines untersuchungsobjektes.
US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4760336A (en) * 1987-02-27 1988-07-26 Stanford University Variable rate magnetic resonance selective excitation for reducing rf power and specific absorption rate
DE3724157A1 (de) * 1987-07-22 1989-02-02 Philips Patentverwaltung Kernspinuntersuchungsverfahren
US5187658A (en) * 1990-01-17 1993-02-16 General Electric Company System and method for segmenting internal structures contained within the interior region of a solid object
JPH05269106A (ja) * 1991-08-12 1993-10-19 Toshiba Corp 磁気共鳴方法および装置
US5268640A (en) * 1992-04-02 1993-12-07 Toshiba America Mri, Inc. Method and apparatus for the formation of a plurality of NMR images, each having a different characteristic, of the same slice, in a single sequence
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
US5517118A (en) * 1994-04-25 1996-05-14 Panacea Medical Laboratories Subslicing for remotely positioned MRI
US5767675A (en) * 1996-05-31 1998-06-16 Panacea Medical Laboratories Mixed timing CPMG sequence for remotely positioned MRI
US6049206A (en) * 1996-08-19 2000-04-11 National Research Council Of Canada Compensation for inhomogeneity of the field generated by the RF coil in a nuclear magnetic resonance system
US5999838A (en) * 1997-07-24 1999-12-07 Panacea Medical Laboratories Spread spectrum MRI
JP2001258863A (ja) * 2000-03-10 2001-09-25 Ge Medical Systems Global Technology Co Llc Ｍｒイメージング方法およびｍｒｉ装置
US6489767B1 (en) 2000-09-06 2002-12-03 Quantum Magnetics, Inc. Apparatus for and method of single-sided magnetic resonance imaging with palm-size probe
US7525310B2 (en) * 2006-03-04 2009-04-28 Raju Viswanathan Signal acquisition and processing method and apparatus for magnetic resonance imaging
WO2012054639A2 (en) 2010-10-22 2012-04-26 T2 Biosystems, Inc. Nmr systems and methods for the rapid detection of analytes
US8409807B2 (en) 2010-10-22 2013-04-02 T2 Biosystems, Inc. NMR systems and methods for the rapid detection of analytes
US8563298B2 (en) 2010-10-22 2013-10-22 T2 Biosystems, Inc. NMR systems and methods for the rapid detection of analytes
WO2013158281A1 (en) 2012-04-20 2013-10-24 T2 Biosystems, Inc. Compositions and methods for detection of candida species
WO2016036643A1 (en) * 2014-09-01 2016-03-10 bioProtonics LLC Selective sampling magnetic resonance-based method for assessing structural spatial frequencies
US11519016B2 (en) 2016-01-21 2022-12-06 T2 Biosystems, Inc. NMR methods and systems for the rapid detection of bacteria
US10422841B2 (en) * 2016-04-21 2019-09-24 Regents Of The University Of Minnesota Systems and methods for designing multidimensional selective adiabatic pulses
CN112834543B (zh) * 2020-04-28 2024-05-14 苏州纽迈分析仪器股份有限公司 基于脉冲梯度硬件结构的一维空间选层t2谱测试方法

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GB1580787A (en) * 1976-04-14 1980-12-03 Mansfield P Nuclear magnetic resonance apparatus and methods
GB1596160A (en) * 1976-12-15 1981-08-19 Nat Res Dev Nuclear magnetic resonance apparatus and methods
GB1584949A (en) * 1978-05-25 1981-02-18 Emi Ltd Imaging systems
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GB1601970A (en) * 1978-05-31 1981-11-04 Nat Res Dev Methods of deriving image information from objects
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
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
US4339716A (en) * 1979-05-23 1982-07-13 Picker International Limited Nuclear magnetic resonance systems
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation

Also Published As

Publication number Publication date
JPS58151545A (ja) 1983-09-08
DE3365200D1 (en) 1986-09-18
EP0086972A1 (en) 1983-08-31
US4471306A (en) 1984-09-11
FI78358B (fi) 1989-03-31
EP0086972B1 (en) 1986-08-13
EP0086972B2 (en) 1994-10-26
FI830277A0 (fi) 1983-01-26
JPH0224135B2 (fi) 1990-05-28
IL67771A (en) 1985-12-31
FI78358C (fi) 1989-07-10

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Owner name: GENERAL ELECTRIC COMPANY