CA2845965A1 - Mecanisme et methode d'imagerie par resonnance magnetique (irm) - Google Patents

Mecanisme et methode d'imagerie par resonnance magnetique (irm) Download PDF

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Publication number
CA2845965A1
CA2845965A1 CA2845965A CA2845965A CA2845965A1 CA 2845965 A1 CA2845965 A1 CA 2845965A1 CA 2845965 A CA2845965 A CA 2845965A CA 2845965 A CA2845965 A CA 2845965A CA 2845965 A1 CA2845965 A1 CA 2845965A1
Authority
CA
Canada
Prior art keywords
mri
signal
receive
coil
transmit
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.)
Abandoned
Application number
CA2845965A
Other languages
English (en)
Inventor
Logi Vidarsson
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.)
Lt Imaging Inc
Original Assignee
LT Imaging Inc
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 LT Imaging Inc filed Critical LT Imaging Inc
Priority to CA2845965A priority Critical patent/CA2845965A1/fr
Priority to CA2884097A priority patent/CA2884097C/fr
Priority to US14/644,725 priority patent/US10018694B2/en
Publication of CA2845965A1 publication Critical patent/CA2845965A1/fr
Abandoned legal-status Critical Current

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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]
    • G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
    • 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
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • 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
    • G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA2845965A 2014-03-13 2014-03-13 Mecanisme et methode d'imagerie par resonnance magnetique (irm) Abandoned CA2845965A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA2845965A CA2845965A1 (fr) 2014-03-13 2014-03-13 Mecanisme et methode d'imagerie par resonnance magnetique (irm)
CA2884097A CA2884097C (fr) 2014-03-13 2015-03-06 Mecanisme et methode d'imagerie par resonnance magnetique (irm)
US14/644,725 US10018694B2 (en) 2014-03-13 2015-03-11 Magnetic resonance imaging (MRI) system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2845965A CA2845965A1 (fr) 2014-03-13 2014-03-13 Mecanisme et methode d'imagerie par resonnance magnetique (irm)

Publications (1)

Publication Number Publication Date
CA2845965A1 true CA2845965A1 (fr) 2015-09-13

Family

ID=54200282

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2845965A Abandoned CA2845965A1 (fr) 2014-03-13 2014-03-13 Mecanisme et methode d'imagerie par resonnance magnetique (irm)

Country Status (1)

Country Link
CA (1) CA2845965A1 (fr)

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Date Code Title Description
FZDE Dead

Effective date: 20180313