GB9803624D0 - Magnetic resonance imaging apparatus - Google Patents

Magnetic resonance imaging apparatus

Info

Publication number
GB9803624D0
GB9803624D0 GBGB9803624.7A GB9803624A GB9803624D0 GB 9803624 D0 GB9803624 D0 GB 9803624D0 GB 9803624 A GB9803624 A GB 9803624A GB 9803624 D0 GB9803624 D0 GB 9803624D0
Authority
GB
United Kingdom
Prior art keywords
magnetic resonance
imaging apparatus
resonance imaging
magnetic
resonance
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.)
Withdrawn
Application number
GBGB9803624.7A
Other versions
GB2334585A (en
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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 GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Publication of GB9803624D0 publication Critical patent/GB9803624D0/en
Priority to EP98305817A priority Critical patent/EP0895093B1/en
Priority to DE69830105T priority patent/DE69830105T2/en
Priority to JP10247689A priority patent/JPH11128206A/en
Priority to US09/124,656 priority patent/US6275039B1/en
Publication of GB2334585A publication Critical patent/GB2334585A/en
Withdrawn legal-status Critical Current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
    • G01R33/28—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
    • G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • 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
    • 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
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB9803624A 1997-07-29 1998-02-20 Linear motor in a shuttling prepolariser uses MRI magnet as rotor Withdrawn GB2334585A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP98305817A EP0895093B1 (en) 1997-07-29 1998-07-21 Movable pre-polarisation unit for a magnetic resonance imaging apparatus
DE69830105T DE69830105T2 (en) 1997-07-29 1998-07-21 A movable pre-polarization unit for a magnetic resonance imaging apparatus
JP10247689A JPH11128206A (en) 1997-07-29 1998-07-29 Magnetic resonance image forming equipment
US09/124,656 US6275039B1 (en) 1997-07-29 1998-07-29 Magnetic resonance pre-polarization apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9715938A GB2327762A (en) 1997-07-29 1997-07-29 MRI magnet with shuttling HTSC prepolarising block

Publications (2)

Publication Number Publication Date
GB9803624D0 true GB9803624D0 (en) 1998-04-15
GB2334585A GB2334585A (en) 1999-08-25

Family

ID=10816609

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9715938A Withdrawn GB2327762A (en) 1997-07-29 1997-07-29 MRI magnet with shuttling HTSC prepolarising block
GB9803624A Withdrawn GB2334585A (en) 1997-07-29 1998-02-20 Linear motor in a shuttling prepolariser uses MRI magnet as rotor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9715938A Withdrawn GB2327762A (en) 1997-07-29 1997-07-29 MRI magnet with shuttling HTSC prepolarising block

Country Status (1)

Country Link
GB (2) GB2327762A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109490804A (en) * 2017-09-12 2019-03-19 胜美达集团株式会社 High frequency magnetic field generation device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11248810A (en) * 1998-02-27 1999-09-17 Rikagaku Kenkyusho Nuclear magnetic resonance apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI91448C (en) * 1991-11-22 1994-06-27 Picker Nordstar Oy Magnetic imaging device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109490804A (en) * 2017-09-12 2019-03-19 胜美达集团株式会社 High frequency magnetic field generation device

Also Published As

Publication number Publication date
GB2327762A (en) 1999-02-03
GB2334585A (en) 1999-08-25
GB9715938D0 (en) 1997-10-01

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)