DE3780561D1 - Kernspintomographieverfahren. - Google Patents

Kernspintomographieverfahren.

Info

Publication number
DE3780561D1
DE3780561D1 DE8787115929T DE3780561T DE3780561D1 DE 3780561 D1 DE3780561 D1 DE 3780561D1 DE 8787115929 T DE8787115929 T DE 8787115929T DE 3780561 T DE3780561 T DE 3780561T DE 3780561 D1 DE3780561 D1 DE 3780561D1
Authority
DE
Germany
Prior art keywords
nuclear spin
tomography method
spin tomography
nuclear
tomography
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
DE8787115929T
Other languages
English (en)
Other versions
DE3780561T2 (de
Inventor
Hiroyuki Takeuchi
Hidenori Kishino
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 Medical 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 Hitachi Medical Corp filed Critical Hitachi Medical Corp
Publication of DE3780561D1 publication Critical patent/DE3780561D1/de
Application granted granted Critical
Publication of DE3780561T2 publication Critical patent/DE3780561T2/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
    • G01R33/4818—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space
    • G01R33/482—MR characterised by data acquisition along a specific k-space trajectory or by the temporal order of k-space coverage, e.g. centric or segmented coverage of k-space using a Cartesian trajectory
    • 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)
  • 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)
DE8787115929T 1986-10-29 1987-10-29 Kernspintomographieverfahren. Expired - Lifetime DE3780561T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61255667A JPS63109847A (ja) 1986-10-29 1986-10-29 核磁気共鳴映像装置

Publications (2)

Publication Number Publication Date
DE3780561D1 true DE3780561D1 (de) 1992-08-27
DE3780561T2 DE3780561T2 (de) 1993-02-11

Family

ID=17281939

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787115929T Expired - Lifetime DE3780561T2 (de) 1986-10-29 1987-10-29 Kernspintomographieverfahren.

Country Status (4)

Country Link
US (1) US4804919A (de)
EP (1) EP0265955B1 (de)
JP (1) JPS63109847A (de)
DE (1) DE3780561T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05300895A (ja) * 1991-07-31 1993-11-16 Hitachi Medical Corp Ｍｒｉ装置における核スピンの選択励起方法
JP3496898B2 (ja) * 1995-03-03 2004-02-16 株式会社日立メディコ 核磁気共鳴撮影装置
DE19928110A1 (de) * 1999-06-19 2000-12-21 Philips Corp Intellectual Pty MR-Verfahren
US7054675B2 (en) 2002-01-30 2006-05-30 Ge Medical Systems Global Technology Company, Llc Customized spatial saturation pulse sequence for suppression of artifacts in MR images

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3209263A1 (de) * 1982-03-13 1983-09-22 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz
JPS58223048A (ja) * 1982-06-21 1983-12-24 Toshiba Corp 磁気共鳴励起領域選択方法、および、該方法が実施し得る磁気共鳴イメージング装置
US4616182A (en) * 1983-11-09 1986-10-07 Technicare Corporation Nuclear magnetic resonance signal artifact removal
DE3582275D1 (de) * 1984-05-02 1991-05-02 Philips Nv Verfahren und anordnung zur ermittlung einer kernmagnetisierungsverteilung in einem teil eines koerpers.
US4721912A (en) * 1985-09-30 1988-01-26 The Reagents Of The University Of California Apparatus and method for initially capturing most significant low spatial frequency NMR imaging data
DE3604281A1 (de) * 1986-02-12 1987-08-13 Philips Patentverwaltung Verfahren zur bestimmung der kernmagnetisierungsverteilung in einer schicht eines untersuchungsbereiches und kernspintomograph zur durchfuehrung des verfahrens
JPS62207447A (ja) * 1986-03-07 1987-09-11 横河メディカルシステム株式会社 Ｎｍｒイメ−ジングにおける選択励起方法
JPS6346146A (ja) * 1986-08-13 1988-02-27 株式会社東芝 磁気共鳴測定装置

Also Published As

Publication number Publication date
JPS63109847A (ja) 1988-05-14
EP0265955A3 (en) 1989-01-18
DE3780561T2 (de) 1993-02-11
JPH0374100B2 (de) 1991-11-25
EP0265955A2 (de) 1988-05-04
US4804919A (en) 1989-02-14
EP0265955B1 (de) 1992-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition