DE3668989D1 - Kernmagnetisches resonanzsystem. - Google Patents

Kernmagnetisches resonanzsystem.

Info

Publication number
DE3668989D1
DE3668989D1 DE8686305202T DE3668989T DE3668989D1 DE 3668989 D1 DE3668989 D1 DE 3668989D1 DE 8686305202 T DE8686305202 T DE 8686305202T DE 3668989 T DE3668989 T DE 3668989T DE 3668989 D1 DE3668989 D1 DE 3668989D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
resonance system
core magnetic
core
resonance
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 - Lifetime
Application number
DE8686305202T
Other languages
English (en)
Inventor
Yoshio C O Patent Divi Machida
Takao C O Patent Divis Kasugai
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3668989D1 publication Critical patent/DE3668989D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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]
    • G01R33/48—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
    • G01R33/56518—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to eddy currents, e.g. caused by switching of the gradient magnetic field

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)
DE8686305202T 1985-07-11 1986-07-04 Kernmagnetisches resonanzsystem. Expired - Lifetime DE3668989D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60151342A JPH0657205B2 (ja) 1985-07-11 1985-07-11 磁気共鳴イメージング方法および装置

Publications (1)

Publication Number Publication Date
DE3668989D1 true DE3668989D1 (de) 1990-03-15

Family

ID=15516471

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686305202T Expired - Lifetime DE3668989D1 (de) 1985-07-11 1986-07-04 Kernmagnetisches resonanzsystem.

Country Status (5)

Country Link
US (1) US4709211A (de)
EP (1) EP0208522B1 (de)
JP (1) JPH0657205B2 (de)
CA (1) CA1242762A (de)
DE (1) DE3668989D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
GB8702951D0 (en) * 1987-02-10 1987-03-18 Surrey Medical Imaging Systems Nmr imaging
US4888552A (en) * 1989-01-05 1989-12-19 Elscint Ltd. Magnetic resonance imaging
DE69321653T2 (de) * 1992-05-27 1999-05-20 Koninkl Philips Electronics Nv Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz
JP2004513720A (ja) * 2000-11-14 2004-05-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ 傾斜磁場の非線形性の補正を行う磁気共鳴撮像方法
AU2003901659A0 (en) * 2003-04-09 2003-05-01 Inner Vision Biometrics Pty Ltd Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (RF) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object
US9201129B2 (en) * 2006-09-13 2015-12-01 Kabushiki Kaisha Toshiba Magnetic-resonance image diagnostic apparatus and method of controlling the same
JP5422194B2 (ja) * 2008-12-18 2014-02-19 株式会社東芝 磁気共鳴イメージング装置
US9864033B1 (en) * 2013-08-26 2018-01-09 University Of New Brunswick Free induction decay based magnetic resonance imaging methods
DE102016212632A1 (de) 2016-07-12 2018-01-18 Siemens Healthcare Gmbh Reduzierung von Artefakten in der Magnetresonanztechnik

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
US4355282A (en) * 1979-08-03 1982-10-19 Picker International Limited Nuclear magnetic resonance systems
EP0047274B2 (de) * 1980-03-14 1990-03-21 National Research Development Corporation Verfahren zum ableiten von bildinformation von objekten
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
EP0076054B1 (de) * 1981-09-21 1986-06-04 Peter Mansfield Kernmagnetische Resonanzmethoden
US4431968A (en) * 1982-04-05 1984-02-14 General Electric Company Method of three-dimensional NMR imaging using selective excitation
US4587489A (en) * 1983-10-07 1986-05-06 General Electric Company Method for rapid acquisition of NMR data
US4570119A (en) * 1983-11-15 1986-02-11 General Electric Company Method for visualization of in-plane fluid flow by proton NMR imaging
US4609872A (en) * 1984-08-10 1986-09-02 General Electric Company NMR multiple-echo phase-contrast blood flow imaging
US4649345A (en) * 1984-08-17 1987-03-10 Mitsubishi Denki Kabushiki Kaisha NMR imaging method
US4593246A (en) * 1984-09-12 1986-06-03 Varian Associates, Inc. NMR tuning procedure
US4654593A (en) * 1985-02-13 1987-03-31 University Of Cincinnati Method for chemical and tomographic analysis of a moving object by nuclear magnetic resonance

Also Published As

Publication number Publication date
EP0208522B1 (de) 1990-02-07
EP0208522A3 (en) 1987-04-08
JPS6214840A (ja) 1987-01-23
CA1242762A (en) 1988-10-04
US4709211A (en) 1987-11-24
JPH0657205B2 (ja) 1994-08-03
EP0208522A2 (de) 1987-01-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee