CA2878010A1 - Techniques, systemes et programmes lisibles par machine pour examen par resonance magnetique - Google Patents

Techniques, systemes et programmes lisibles par machine pour examen par resonance magnetique Download PDF

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Publication number
CA2878010A1
CA2878010A1 CA2878010A CA2878010A CA2878010A1 CA 2878010 A1 CA2878010 A1 CA 2878010A1 CA 2878010 A CA2878010 A CA 2878010A CA 2878010 A CA2878010 A CA 2878010A CA 2878010 A1 CA2878010 A1 CA 2878010A1
Authority
CA
Canada
Prior art keywords
coil
nuclei
sample
subject
magnetization
Prior art date
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.)
Abandoned
Application number
CA2878010A
Other languages
English (en)
Inventor
Neal Kalechofsky
Mirko HROVAT
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.)
MILLIKELVIN TECHNOLOGIES LLC
Original Assignee
MILLIKELVIN TECHNOLOGIES LLC
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
Priority claimed from US13/844,446 external-priority patent/US9207298B2/en
Application filed by MILLIKELVIN TECHNOLOGIES LLC filed Critical MILLIKELVIN TECHNOLOGIES LLC
Publication of CA2878010A1 publication Critical patent/CA2878010A1/fr
Abandoned 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/46—NMR spectroscopy
    • G01R33/4608—RF excitation sequences for enhanced detection, e.g. NOE, polarisation transfer, selection of a coherence transfer pathway
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • 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]
    • G01R33/46—NMR spectroscopy
    • G01R33/4616—NMR spectroscopy using specific RF pulses or specific modulation schemes, e.g. stochastic excitation, adiabatic RF pulses, composite pulses, binomial pulses, Shinnar-le-Roux pulses, spectrally selective pulses not being used for spatial selection
    • 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/485—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy based on chemical shift information [CSI] or spectroscopic imaging, e.g. to acquire the spatial distributions of metabolites
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56308—Characterization of motion or flow; Dynamic 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
    • 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
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56366—Perfusion imaging

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA2878010A 2012-07-02 2013-07-02 Techniques, systemes et programmes lisibles par machine pour examen par resonance magnetique Abandoned CA2878010A1 (fr)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US201261667283P 2012-07-02 2012-07-02
US61/667,283 2012-07-02
US201261706102P 2012-09-26 2012-09-26
US201261706100P 2012-09-26 2012-09-26
US201261706106P 2012-09-26 2012-09-26
US61/706,100 2012-09-26
US61/706,102 2012-09-26
US61/706,106 2012-09-26
US201261733415P 2012-12-04 2012-12-04
US61/733,415 2012-12-04
US13/844,446 2013-03-15
US13/844,446 US9207298B2 (en) 2011-03-23 2013-03-15 Techniques, systems and machine readable programs for magnetic resonance
PCT/US2013/049014 WO2014008226A1 (fr) 2012-07-02 2013-07-02 Techniques, systèmes et programmes lisibles par machine pour examen par résonance magnétique

Publications (1)

Publication Number Publication Date
CA2878010A1 true CA2878010A1 (fr) 2014-01-09

Family

ID=49882457

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2878010A Abandoned CA2878010A1 (fr) 2012-07-02 2013-07-02 Techniques, systemes et programmes lisibles par machine pour examen par resonance magnetique

Country Status (7)

Country Link
EP (1) EP2867657A4 (fr)
KR (1) KR101887736B1 (fr)
CN (1) CN104487830B (fr)
AU (1) AU2013286922A1 (fr)
CA (1) CA2878010A1 (fr)
IL (1) IL236503A0 (fr)
WO (1) WO2014008226A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101650486B1 (ko) * 2015-09-01 2016-08-31 울산대학교 산학협력단 난류 운동 에너지 획득 장치 및 그 방법
EP3388854B1 (fr) * 2017-04-11 2020-09-16 Siemens Healthcare GmbH Couplage de radiocommunication normalisé entre une installation à résonance magnétique et un dispositif externe
CN107831094B (zh) * 2017-10-30 2020-04-07 中国人民解放军国防科技大学 基于碱金属原子弛豫率变化测量气体扩散常数的方法
CN108802648B (zh) * 2018-04-03 2020-12-01 上海东软医疗科技有限公司 一种基于梯度回波的磁共振定量成像方法和装置
CN112817811B (zh) * 2020-12-31 2022-09-06 深圳市联影高端医疗装备创新研究院 扫描失败率的预测方法、装置、设备及存储介质
CN113433156B (zh) * 2021-06-25 2024-04-12 中国矿业大学 基于核磁传感器的围海造陆地基含水量监测系统及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1702271A1 (ru) * 1988-12-08 1991-12-30 Научно-производственное объединение Всесоюзного научно-исследовательского, проектно-конструкторского и технологического института кабельной промышленности Способ ЯМР-томографии
GB0001727D0 (en) * 2000-01-25 2000-03-15 Oxford Instr Uk Ltd Hyperpolarization of a noble gas
HUP0302425A3 (en) * 2000-11-03 2011-04-28 Ge Healthcare As Methods and devices for polarised nmr samples
US7053611B2 (en) * 2004-06-04 2006-05-30 Schlumberger Technology Corporation Method and apparatus for using pulsed field gradient NMR measurements to determine fluid properties in a fluid sampling well logging tool
US7781228B2 (en) * 2005-04-07 2010-08-24 Menon & Associates, Inc. Magnetic resonance system and method to detect and confirm analytes
RU2411528C2 (ru) * 2005-06-24 2011-02-10 Конинклейке Филипс Электроникс Н.В. Магнитно-резонансное устройство и способ
US7298142B2 (en) * 2005-06-27 2007-11-20 Baker Hughes Incorporated Method and apparatus for reservoir fluid characterization in nuclear magnetic resonance logging
US20100090693A1 (en) * 2008-10-14 2010-04-15 Wald Lawrence L Method and apparatus for controlling t1 recovery process in magnetic resonance measurements
WO2010045457A2 (fr) * 2008-10-15 2010-04-22 Regents Of The University Of Minnesota Découplage d’éléments bobinés pour irm

Also Published As

Publication number Publication date
KR20150037917A (ko) 2015-04-08
IL236503A0 (en) 2015-02-26
CN104487830A (zh) 2015-04-01
AU2013286922A1 (en) 2015-01-29
CN104487830B (zh) 2018-08-21
EP2867657A4 (fr) 2016-05-11
EP2867657A1 (fr) 2015-05-06
KR101887736B1 (ko) 2018-09-11
WO2014008226A1 (fr) 2014-01-09

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20180704