IT1396080B1 - Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica. - Google Patents

Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica.

Info

Publication number
IT1396080B1
IT1396080B1 ITTO2009A000789A ITTO20090789A IT1396080B1 IT 1396080 B1 IT1396080 B1 IT 1396080B1 IT TO2009A000789 A ITTO2009A000789 A IT TO2009A000789A IT TO20090789 A ITTO20090789 A IT TO20090789A IT 1396080 B1 IT1396080 B1 IT 1396080B1
Authority
IT
Italy
Prior art keywords
images
formation
magnetic
complex
magnetic resonance
Prior art date
Application number
ITTO2009A000789A
Other languages
English (en)
Inventor
Andrea Viale
Giulio Sandini
Franco Bertora
Elisa Molinari
Original Assignee
Fond Istituto Italiano Di Tecnologia
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 Fond Istituto Italiano Di Tecnologia filed Critical Fond Istituto Italiano Di Tecnologia
Priority to ITTO2009A000789A priority Critical patent/IT1396080B1/it
Priority to EP10773152.3A priority patent/EP2491416B1/en
Priority to PCT/IB2010/054705 priority patent/WO2011048537A1/en
Priority to US13/501,680 priority patent/US8849363B2/en
Publication of ITTO20090789A1 publication Critical patent/ITTO20090789A1/it
Application granted granted Critical
Publication of IT1396080B1 publication Critical patent/IT1396080B1/it

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
    • G01R33/28—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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive 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
    • G01R33/28—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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Thin Magnetic Films (AREA)
ITTO2009A000789A 2009-10-19 2009-10-19 Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica. IT1396080B1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITTO2009A000789A IT1396080B1 (it) 2009-10-19 2009-10-19 Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica.
EP10773152.3A EP2491416B1 (en) 2009-10-19 2010-10-18 C-shaped open-structure magnetic assembly for magnetic resonance imaging
PCT/IB2010/054705 WO2011048537A1 (en) 2009-10-19 2010-10-18 Open - structure magnetic assembly for magnetic resonance imaging
US13/501,680 US8849363B2 (en) 2009-10-19 2010-10-18 Open-structure magnetic assembly for magnetic resonance imaging

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO2009A000789A IT1396080B1 (it) 2009-10-19 2009-10-19 Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica.

Publications (2)

Publication Number Publication Date
ITTO20090789A1 ITTO20090789A1 (it) 2011-04-20
IT1396080B1 true IT1396080B1 (it) 2012-11-09

Family

ID=42174242

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO2009A000789A IT1396080B1 (it) 2009-10-19 2009-10-19 Complesso magnetico aperto, particolarmente per la formazione di immagini per risonanza magnetica.

Country Status (4)

Country Link
US (1) US8849363B2 (it)
EP (1) EP2491416B1 (it)
IT (1) IT1396080B1 (it)
WO (1) WO2011048537A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11320505B2 (en) * 2016-12-06 2022-05-03 Yale University MRI system using nonuniform magnetic fields

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8410972D0 (en) 1984-04-30 1984-06-06 Oxford Magnet Tech Magnet assembly
US5305749B1 (en) * 1992-09-24 2000-05-02 Univ California Side-loading of patient into mri c-magnet while maintaining adjacent open accessibility to patient
JPH07106155A (ja) 1993-05-26 1995-04-21 General Electric Co <Ge> Ｃ字形超伝導磁石
US5428292A (en) 1994-04-29 1995-06-27 General Electric Company Pancake MRI magnet with modified imaging volume
US5539366A (en) 1994-07-27 1996-07-23 General Electric Company Magnet having contoured pole faces for magnetic field homogeneity
US5592090A (en) * 1994-12-12 1997-01-07 Houston Advanced Research Center Compact, open geometry U-shaped magnet for magnetic resonance imaging

Also Published As

Publication number Publication date
WO2011048537A1 (en) 2011-04-28
US20120202696A1 (en) 2012-08-09
EP2491416B1 (en) 2017-11-22
US8849363B2 (en) 2014-09-30
EP2491416A1 (en) 2012-08-29
ITTO20090789A1 (it) 2011-04-20

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