GB2462416B - Pre-polarising MRI magnet with improved openess - Google Patents

Pre-polarising MRI magnet with improved openess

Info

Publication number
GB2462416B
GB2462416B GB0814201A GB0814201A GB2462416B GB 2462416 B GB2462416 B GB 2462416B GB 0814201 A GB0814201 A GB 0814201A GB 0814201 A GB0814201 A GB 0814201A GB 2462416 B GB2462416 B GB 2462416B
Authority
GB
United Kingdom
Prior art keywords
openess
polarising
improved
mri magnet
mri
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
GB0814201A
Other versions
GB0814201D0 (en
GB2462416A (en
Inventor
Marcel Jan Marie Kruip
Ian Nicholson
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.)
Siemens PLC
Original Assignee
Siemens Magnet Technology Ltd
Siemens PLC
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 Siemens Magnet Technology Ltd, Siemens PLC filed Critical Siemens Magnet Technology Ltd
Priority to GB0814201A priority Critical patent/GB2462416B/en
Publication of GB0814201D0 publication Critical patent/GB0814201D0/en
Publication of GB2462416A publication Critical patent/GB2462416A/en
Application granted granted Critical
Publication of GB2462416B publication Critical patent/GB2462416B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • G01R33/44—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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets

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)
GB0814201A 2008-08-04 2008-08-04 Pre-polarising MRI magnet with improved openess Expired - Fee Related GB2462416B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0814201A GB2462416B (en) 2008-08-04 2008-08-04 Pre-polarising MRI magnet with improved openess

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0814201A GB2462416B (en) 2008-08-04 2008-08-04 Pre-polarising MRI magnet with improved openess

Publications (3)

Publication Number Publication Date
GB0814201D0 GB0814201D0 (en) 2008-09-10
GB2462416A GB2462416A (en) 2010-02-10
GB2462416B true GB2462416B (en) 2010-07-28

Family

ID=39767459

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0814201A Expired - Fee Related GB2462416B (en) 2008-08-04 2008-08-04 Pre-polarising MRI magnet with improved openess

Country Status (1)

Country Link
GB (1) GB2462416B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRM20130711A1 (en) * 2013-12-20 2015-06-21 Imaging Technology Abruzzo S R L SIMULTANEOUS IMAGING SYSTEM AND METHOD THROUGH ELECTRONIC SPIN RESONANCE AND NUCLEAR SPIN RESONANCE

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906931A (en) * 1987-10-08 1990-03-06 Instrumentarium Corp. Apparatus and method for the examination of properties of an object
US6208143B1 (en) * 1998-04-10 2001-03-27 The Board Of Trustee Of The Leland Stanford Junior University Biplanar homogeneous field electromagnets and method for making same
WO2006052236A1 (en) * 2004-11-03 2006-05-18 The Regents Of The University Of California Nmr and mri apparatus and method involving a squid magnetometer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4906931A (en) * 1987-10-08 1990-03-06 Instrumentarium Corp. Apparatus and method for the examination of properties of an object
US6208143B1 (en) * 1998-04-10 2001-03-27 The Board Of Trustee Of The Leland Stanford Junior University Biplanar homogeneous field electromagnets and method for making same
WO2006052236A1 (en) * 2004-11-03 2006-05-18 The Regents Of The University Of California Nmr and mri apparatus and method involving a squid magnetometer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Magnetic Resonance in Medicine, 2007, vol. 57, Kegler et al., "Prepolarized Fast Spin-Echo Pulse Sequence for Low-Field MRI", pp1180-1184 *

Also Published As

Publication number Publication date
GB0814201D0 (en) 2008-09-10
GB2462416A (en) 2010-02-10

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: SIEMENS PLC

Free format text: FORMER OWNER: SIEMENS MAGNET TECHNOLOGY LIMITED

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120804