DE3650381T2 - Magnetregelung durch Benutzung der von der Bildgebung der chemischen Verschiebung abgeleiteten Information. - Google Patents

Magnetregelung durch Benutzung der von der Bildgebung der chemischen Verschiebung abgeleiteten Information.

Info

Publication number
DE3650381T2
DE3650381T2 DE3650381T DE3650381T DE3650381T2 DE 3650381 T2 DE3650381 T2 DE 3650381T2 DE 3650381 T DE3650381 T DE 3650381T DE 3650381 T DE3650381 T DE 3650381T DE 3650381 T2 DE3650381 T2 DE 3650381T2
Authority
DE
Germany
Prior art keywords
magnetic field
field
polarizing
chemical shift
volume
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
DE3650381T
Other languages
German (de)
English (en)
Other versions
DE3650381D1 (de
Inventor
Gary Harold Glover
Grant Theodore Gullberg
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
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3650381D1 publication Critical patent/DE3650381D1/de
Publication of DE3650381T2 publication Critical patent/DE3650381T2/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
    • G01R33/483—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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE3650381T 1986-01-03 1986-12-19 Magnetregelung durch Benutzung der von der Bildgebung der chemischen Verschiebung abgeleiteten Information. Expired - Fee Related DE3650381T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81607686A 1986-01-03 1986-01-03

Publications (2)

Publication Number Publication Date
DE3650381D1 DE3650381D1 (de) 1995-10-05
DE3650381T2 true DE3650381T2 (de) 1996-04-18

Family

ID=25219617

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3650381T Expired - Fee Related DE3650381T2 (de) 1986-01-03 1986-12-19 Magnetregelung durch Benutzung der von der Bildgebung der chemischen Verschiebung abgeleiteten Information.

Country Status (3)

Country Link
EP (1) EP0230027B1 (enExample)
JP (1) JPS62189056A (enExample)
DE (1) DE3650381T2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386054A4 (en) * 1987-11-05 1991-06-19 University Of Queensland Magnetic field homogenization in nmr spectroscopy
JPH01155836A (ja) * 1987-12-14 1989-06-19 Toshiba Corp 磁気共鳴イメージング装置
US4899109A (en) 1988-08-17 1990-02-06 Diasonics Inc. Method and apparatus for automated magnetic field shimming in magnetic resonance spectroscopic imaging
JPH02195386A (ja) * 1989-01-24 1990-08-01 Seiko Epson Corp 液晶ビデオプロジェクター
DE4217496C2 (de) * 1992-05-27 1994-06-16 Bruker Analytische Messtechnik Shim-Verfahren
US6288545B1 (en) 1999-03-22 2001-09-11 General Electric Company Method and apparatus for calibration of RF and gradient field time delays
ITSV20000009A1 (it) 2000-02-25 2001-08-25 Esaote Spa Metodo, attrezzo e sistema per l'esecuzione di misure di verifica e correzioni dei campi magnetici nei magneti per macchine per il rilevamen
DE10224192A1 (de) * 2002-05-31 2003-12-18 Fraunhofer Ges Forschung Bildgebendes NMR-Verfahren sowie NMR-Vorrichtung
EP2507643B1 (en) * 2009-12-02 2024-04-24 Nanalysis Corp. Method and apparatus for producing homogeneous magnetic fields
KR101896085B1 (ko) * 2017-08-11 2018-09-06 국방과학연구소 통신 디바이스 및 통신 디바이스에서 블라인드 등화 및 복조를 위한 방법
CN110927642B (zh) * 2019-12-05 2021-09-10 湖南迈太科医疗科技有限公司 磁共振成像的匀场控制方法、装置和系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB884129A (en) * 1957-11-04 1961-12-06 Perkin Elmer Corp Device for the creation of a magnetic field
US4284950A (en) * 1978-08-05 1981-08-18 E M I Limited Imaging systems
JPS60102544A (ja) * 1983-11-10 1985-06-06 Hitachi Ltd Νｍｒイメ−ジング装置
US4581580A (en) * 1983-12-14 1986-04-08 General Electric Company Intentionally non-orthogonal correction coils for high-homogeneity magnets
JPS60189905A (ja) * 1984-03-09 1985-09-27 Mitsubishi Electric Corp 高均一磁界発生装置
JPH0799724B2 (ja) * 1985-01-28 1995-10-25 三菱電機株式会社 均一磁界発生装置

Also Published As

Publication number Publication date
EP0230027A3 (en) 1989-07-26
EP0230027B1 (en) 1995-08-30
JPS62189056A (ja) 1987-08-18
JPH0351172B2 (enExample) 1991-08-06
DE3650381D1 (de) 1995-10-05
EP0230027A2 (en) 1987-07-29

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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