DE69029284D1 - NMR-Untersuchungsverfahren und Apparat - Google Patents

NMR-Untersuchungsverfahren und Apparat

Info

Publication number
DE69029284D1
DE69029284D1 DE69029284T DE69029284T DE69029284D1 DE 69029284 D1 DE69029284 D1 DE 69029284D1 DE 69029284 T DE69029284 T DE 69029284T DE 69029284 T DE69029284 T DE 69029284T DE 69029284 D1 DE69029284 D1 DE 69029284D1
Authority
DE
Germany
Prior art keywords
test method
nmr test
nmr
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 - Fee Related
Application number
DE69029284T
Other languages
English (en)
Other versions
DE69029284T2 (de
Inventor
Tatsuo Nozokido
Etsuji Yamamoto
Hideki Kohno
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE69029284D1 publication Critical patent/DE69029284D1/de
Application granted granted Critical
Publication of DE69029284T2 publication Critical patent/DE69029284T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/56527—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to chemical shift effects
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69029284T 1989-03-31 1990-03-29 NMR-Untersuchungsverfahren und Apparat Expired - Fee Related DE69029284T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1078229A JPH02257934A (ja) 1989-03-31 1989-03-31 核磁気共鳴を用いた検査方法及び装置

Publications (2)

Publication Number Publication Date
DE69029284D1 true DE69029284D1 (de) 1997-01-16
DE69029284T2 DE69029284T2 (de) 1997-06-12

Family

ID=13656217

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69029284T Expired - Fee Related DE69029284T2 (de) 1989-03-31 1990-03-29 NMR-Untersuchungsverfahren und Apparat

Country Status (4)

Country Link
US (1) US5065097A (de)
EP (1) EP0390176B1 (de)
JP (1) JPH02257934A (de)
DE (1) DE69029284T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9100138A (nl) * 1991-01-28 1992-08-17 Philips Nv Magnetische resonantie werkwijze en inrichting ter reductie van beeldfouten in een magnetisch resonantiebeeld.
WO1995004940A1 (en) * 1993-08-06 1995-02-16 The Government Of The United States Of America, Represented By The Secretary Of The Department Of Health And Human Services Method and system for measuring the diffusion tensor and for diffusion tension imaging

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4719423A (en) * 1985-08-13 1988-01-12 Shell Oil Company NMR imaging of materials for transport properties
JPS62148658A (ja) * 1985-12-23 1987-07-02 株式会社日立製作所 核磁気共鳴を用いた検査方法
US4769602A (en) * 1986-07-02 1988-09-06 Shell Oil Company Determining multiphase saturations by NMR imaging of multiple nuclides
US4885539A (en) * 1988-06-06 1989-12-05 General Electric Company Volume NMR coil for optimum signal-to-noise ratio

Also Published As

Publication number Publication date
EP0390176A3 (de) 1991-08-14
EP0390176B1 (de) 1996-12-04
JPH02257934A (ja) 1990-10-18
DE69029284T2 (de) 1997-06-12
EP0390176A2 (de) 1990-10-03
US5065097A (en) 1991-11-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI MEDICAL CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee