DE3068307D1 - Moving gradient zeugmatography - Google Patents

Moving gradient zeugmatography

Info

Publication number
DE3068307D1
DE3068307D1 DE8080104808T DE3068307T DE3068307D1 DE 3068307 D1 DE3068307 D1 DE 3068307D1 DE 8080104808 T DE8080104808 T DE 8080104808T DE 3068307 T DE3068307 T DE 3068307T DE 3068307 D1 DE3068307 D1 DE 3068307D1
Authority
DE
Germany
Prior art keywords
matography
gradient test
moving gradient
moving
test
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.)
Expired
Application number
DE8080104808T
Other languages
English (en)
Inventor
Richard Scott Likes
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.)
General Electric Co
Original Assignee
General Electric Co
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=22077760&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3068307(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3068307D1 publication Critical patent/DE3068307D1/de
Expired 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]
    • G01R33/446—Multifrequency selective RF pulses, e.g. multinuclear acquisition mode
    • 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]

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)
DE8080104808T 1979-08-20 1980-08-14 Moving gradient zeugmatography Expired DE3068307D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/067,697 US4307343A (en) 1979-08-20 1979-08-20 Moving gradient zeugmatography

Publications (1)

Publication Number Publication Date
DE3068307D1 true DE3068307D1 (de) 1984-07-26

Family

ID=22077760

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080104808T Expired DE3068307D1 (de) 1979-08-20 1980-08-14 Moving gradient zeugmatography

Country Status (4)

Country Link
US (1) US4307343A (de)
EP (1) EP0024640B1 (de)
JP (2) JPS5630636A (de)
DE (1) DE3068307D1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2951537A1 (de) * 1979-12-20 1981-07-02 Siemens AG, 1000 Berlin und 8000 München Zeugmatografieverfahren
DE3139137A1 (de) * 1981-10-01 1983-04-14 Siemens AG, 1000 Berlin und 8000 München Geraet zur erzeugung von bildern eines untersuchungsobjektes
DE3209264A1 (de) * 1982-03-13 1983-09-22 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie
DE3209810A1 (de) * 1982-03-18 1983-10-13 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz fuer die nmr-tomographie
EP0105700B1 (de) * 1982-10-06 1989-01-04 Peter Mansfield Verfahren zur Kernresonanzspektroskopie
US4639671A (en) * 1983-05-31 1987-01-27 General Electric Company Simultaneous NMR imaging system
GB8321769D0 (en) * 1983-08-12 1983-09-14 Picker Int Ltd Nuclear magnetic resonance apparatus
JPS6044880A (ja) * 1983-08-23 1985-03-11 Yokogawa Medical Syst Ltd チャ−プトラッキング方式を用いた核磁気共鳴イメ−ジング装置
US4573014A (en) * 1983-11-09 1986-02-25 Duke University NMR Imaging method and apparatus
US4629989A (en) * 1983-11-10 1986-12-16 General Electric Company Patient alignment system for NMR studies
US4585992A (en) * 1984-02-03 1986-04-29 Philips Medical Systems, Inc. NMR imaging methods
US4642567A (en) * 1984-06-04 1987-02-10 Indiana University Foundation Methods for two dimensional nuclear magnetic resonance imaging
US4656424A (en) * 1984-11-07 1987-04-07 Yuval Tsur Apparatus and methods for selective excitation
US4665366A (en) * 1985-03-11 1987-05-12 Albert Macovski NMR imaging system using phase-shifted signals
US4678996A (en) * 1985-05-07 1987-07-07 Picker International, Inc. Magnetic resonance imaging method
US4791370A (en) * 1985-08-23 1988-12-13 Resonex, Inc. Gradient field structure and method for use with magnetic resonance imaging apparatus
US4727325A (en) * 1985-10-16 1988-02-23 Hitachi, Ltd. NMR imaging method
US4748410A (en) * 1986-08-06 1988-05-31 Stanford University Rapid NMR imaging system
JP2644744B2 (ja) * 1987-02-04 1997-08-25 株式会社日立製作所 Ｎｍｒスペクトロスコピックイメージング装置
US4760336A (en) * 1987-02-27 1988-07-26 Stanford University Variable rate magnetic resonance selective excitation for reducing rf power and specific absorption rate
US4862086A (en) * 1987-04-28 1989-08-29 Kabushiki Kaisha Toshiba System for generating magnetic fields utilized for magnetic resonance imaging apparatus
US4984573A (en) * 1987-06-23 1991-01-15 Hafslund Nycomed Innovation Ab Method of electron spin resonance enhanced magnetic resonance imaging
US4985677A (en) * 1989-06-22 1991-01-15 The Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging and spectroscopy using an excitation pulse for multiple-dimensional selectivity
US5233301A (en) * 1989-07-28 1993-08-03 Board Of Trustees Of The Leland Stanford Junior University High resolution/reduced slice width magnetic resonance imaging and spectroscopy by signal combination and use of minimum phase excitation pulses
US5192909A (en) * 1991-01-07 1993-03-09 General Electric Company Spectroscopic localization using pinwheel nmr excitation pulses
US5243284A (en) * 1991-07-24 1993-09-07 Board Of Trustees Of The Leland Stanford Junior University Method of magnetic resonance reconstruction imaging from projections using partial data collected in k-space
US5402067A (en) * 1993-08-04 1995-03-28 Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for rare echo imaging using k-space spiral coverage
DE4343023C1 (de) * 1993-12-16 1995-03-09 Bruker Medizintech Magnetresonanz-Bildgebung mit kombiniertem Rückprojektions- und Fouriertransformationsverfahren
US5539312A (en) * 1995-02-02 1996-07-23 Mayo Foundation For Medical Education And Research Detection and measurement of motion during NMR imaging using orbital navigator echo signals
US5709207A (en) * 1996-03-20 1998-01-20 Case Western Reserve University Audio information incorporated within MRI pulse sequences
US6081118A (en) 1998-04-07 2000-06-27 Kaplan; Jerome I. Rapid high-accuracy magnetic resonance imaging
US6566877B1 (en) 2000-12-26 2003-05-20 Koninklijke Philips Electronics, N.V. Band-limited gradient waveforms
DE10224192A1 (de) * 2002-05-31 2003-12-18 Fraunhofer Ges Forschung Bildgebendes NMR-Verfahren sowie NMR-Vorrichtung
RU2318224C2 (ru) * 2002-11-19 2008-02-27 Бейкер Хьюз Инкорпорейтед Азимутальная ямр-визуализация свойств горной породы из ствола скважины
US7081751B2 (en) * 2002-12-31 2006-07-25 The Uab Research Foundation Systems and methods for estimating properties of a sample
WO2006059378A1 (ja) * 2004-11-30 2006-06-08 Hamano Life Science Research Foundation 磁気共鳴映像法および磁気共鳴映像装置
DE102004061509B4 (de) * 2004-12-21 2007-02-08 Siemens Ag Verfahren und Gerät zur beschleunigten Spiral-kodierten Bildgebung in der Magnetresonanztomographie
DE102005022549A1 (de) * 2005-05-17 2006-11-30 Siemens Ag Magnetresonanzeinrichtung
US7514923B2 (en) * 2005-11-07 2009-04-07 General Electric Company Method for localized excitation for accurate center frequency measurements with MRI
DE102006032339B3 (de) * 2006-07-12 2007-11-29 Siemens Ag Verfahren und Gerät zur beschleunigten Spiral-kodierten Bildgebung in der Magnetresonanztomographie
FR2921160B1 (fr) * 2007-09-18 2009-11-20 Centre Nat Rech Scient Procede de traitement de signaux hypercomplexes
WO2014039080A1 (en) 2012-09-07 2014-03-13 Heartvista, Inc. Methods for optimal gradient design and fast generic waveform switching
US10061007B2 (en) 2014-06-27 2018-08-28 General Electric Company Method, apparatus, and article for frequency-overlapped 3-D multispectral magnetic resonance images
US10064589B2 (en) 2014-06-27 2018-09-04 General Electric Company Method, apparatus, and article for pet attenuation correction utilizing MRI
JP6845313B2 (ja) 2017-09-29 2021-03-17 福建加譜新科科技有限公司 重合式フーリエ変換に基づくイメージング方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015196A (en) * 1974-04-05 1977-03-29 National Research Development Corporation Analysis of materials
US4021726A (en) * 1974-09-11 1977-05-03 National Research Development Corporation Image formation using nuclear magnetic resonance
CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
US4045723A (en) * 1975-12-15 1977-08-30 Varian Associates, Inc. Two dimensional gyromagnetic resonance spectroscopy
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
GB1601816A (en) * 1977-05-27 1981-11-04 Nat Res Dev Investigation of samples by nmr techniques
GB1584949A (en) * 1978-05-25 1981-02-18 Emi Ltd Imaging systems
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
US4322684A (en) * 1978-11-16 1982-03-30 E M I Limited Imaging systems
US4318044A (en) * 1979-03-07 1982-03-02 National Research Development Corporation Methods of indicating nuclear spin density distribution

Also Published As

Publication number Publication date
JPH024867B2 (de) 1990-01-30
JPH0356730B2 (de) 1991-08-29
US4307343A (en) 1981-12-22
JPS5630636A (en) 1981-03-27
JPH02232034A (ja) 1990-09-14
EP0024640A1 (de) 1981-03-11
EP0024640B1 (de) 1984-06-20

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Legal Events

Date Code Title Description
8365 Fully valid after opposition proceedings
8328 Change in the person/name/address of the agent

Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8320 Willingness to grant licences declared (paragraph 23)