ATE338954T1 - Gradientenspulenstruktur für kernspintomographie - Google Patents

Gradientenspulenstruktur für kernspintomographie

Info

Publication number
ATE338954T1
ATE338954T1 AT03256308T AT03256308T ATE338954T1 AT E338954 T1 ATE338954 T1 AT E338954T1 AT 03256308 T AT03256308 T AT 03256308T AT 03256308 T AT03256308 T AT 03256308T AT E338954 T1 ATE338954 T1 AT E338954T1
Authority
AT
Austria
Prior art keywords
coil
gradient coil
coil structure
main
image
Prior art date
Application number
AT03256308T
Other languages
English (en)
Inventor
Frederick Thomas David Goldie
Original Assignee
Tesla Engineering 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 Tesla Engineering Ltd filed Critical Tesla Engineering Ltd
Application granted granted Critical
Publication of ATE338954T1 publication Critical patent/ATE338954T1/de

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
    • G01R33/42—Screening
    • G01R33/421—Screening of main or gradient magnetic field
    • G01R33/4215—Screening of main or gradient magnetic field of the gradient magnetic field, e.g. using passive or active shielding of the 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AT03256308T 2002-10-10 2003-10-07 Gradientenspulenstruktur für kernspintomographie ATE338954T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0223684.2A GB0223684D0 (en) 2002-10-10 2002-10-10 Gradient coil structure for magnetic resonace imaging

Publications (1)

Publication Number Publication Date
ATE338954T1 true ATE338954T1 (de) 2006-09-15

Family

ID=9945754

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03256308T ATE338954T1 (de) 2002-10-10 2003-10-07 Gradientenspulenstruktur für kernspintomographie

Country Status (7)

Country Link
US (1) US6911821B2 (de)
EP (1) EP1408339B1 (de)
JP (1) JP4540326B2 (de)
CN (1) CN100498368C (de)
AT (1) ATE338954T1 (de)
DE (1) DE60308122T2 (de)
GB (1) GB0223684D0 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4639763B2 (ja) * 2004-11-12 2011-02-23 三菱電機株式会社 磁気共鳴イメージング装置
US7605587B2 (en) * 2004-11-29 2009-10-20 Hitachi Medical Corporation Magnetic resonance imaging apparatus
US7098663B1 (en) * 2005-03-18 2006-08-29 Timothy James Hollis Systems, methods and apparatus of an actively shielded superconducting magnet drift compensation coil
US7852083B2 (en) * 2006-04-14 2010-12-14 Hitachi Medical Corporation Magnetic resonance imaging apparatus and gradient magnetic field coil
JP4857061B2 (ja) * 2006-09-26 2012-01-18 株式会社日立メディコ 傾斜磁場コイル及びそれを用いた核磁気共鳴断層写真装置
EP2376933A1 (de) * 2008-12-04 2011-10-19 Koninklijke Philips Electronics N.V. Magnetresonanz-bildgebungssystem mit satellitengradientenspulen
US8314615B2 (en) * 2009-12-22 2012-11-20 General Electric Company Apparatus and method to improve magnet stability in an MRI system
GB2483890A (en) * 2010-09-22 2012-03-28 Tesla Engineering Ltd MRIS gradient coil assembly with screening layers connected to respective coil layers
CN104678335B (zh) * 2015-03-26 2017-10-31 南京磁晨医疗技术有限公司 一种专用mri梯度线圈
CN104698412B (zh) * 2015-03-26 2017-12-26 南京磁晨医疗技术有限公司 一种平面mri梯度线圈

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4638253A (en) * 1984-10-29 1987-01-20 General Electric Company Mutual inductance NMR RF coil matching device
US5365173A (en) * 1992-07-24 1994-11-15 Picker International, Inc. Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling
FR2694850B1 (fr) * 1992-08-11 1994-10-07 Gerard Perrot Etage amplificateur à faible distorsion thermique.
US5554929A (en) * 1993-03-12 1996-09-10 Doty Scientific, Inc. Crescent gradient coils
GB9311321D0 (en) * 1993-06-02 1993-07-21 British Tech Group Apparatus for and methods of acoustic and magnetic screening
DE4422782C2 (de) * 1994-06-29 1998-02-19 Siemens Ag Aktiv geschirmte transversale Gradientenspule für Kernspintomographiegeräte
JP3654463B2 (ja) 1996-03-29 2005-06-02 株式会社日立メディコ 磁気共鳴イメージング装置
DE19620926C2 (de) 1996-05-24 2001-08-09 Bruker Analytik Gmbh Magnetanordnung für ein NMR-Tomographiesystem, insbesondere für Haut- und Oberflächenuntersuchungen, Verfahren zur Herstellung der Magnetanordnung und Gradientenspulensystem
US5942898A (en) 1996-12-13 1999-08-24 Picker International, Inc. Thrust balanced bi-planar gradient set for MRI scanners
DE19653449C2 (de) * 1996-12-20 1999-11-11 Siemens Ag Gradientenspulenanordnung für ein Kernspintomographiegerät
US6078177A (en) 1998-01-05 2000-06-20 Picker International, Inc. Flared gradient coil set with a finite shield current
GB9804829D0 (en) * 1998-03-07 1998-04-29 Mansfield Peter Improvements in active acoustic control
DE19943372C2 (de) * 1999-09-10 2001-07-19 Siemens Ag Gradientenspulensystem für ein Magnetresonanztomographiegerät
EP1230560A1 (de) * 2000-09-26 2002-08-14 Koninklijke Philips Electronics N.V. Gerät der bildgebenden magnetischen resonanz mit vertikalem feld und mit einer im hauptmagneten angeordneten konischen kavität
WO2002027346A1 (en) * 2000-09-26 2002-04-04 Koninklijke Philips Electronics N.V. Vertical field type mri apparatus with a conical gradient coil situated in the main magnet
DE10202986A1 (de) * 2002-01-26 2003-07-31 Philips Intellectual Property Spulensystem für eine MR-Apparatur sowie MR-Apparatur mit einem solchen Spulensystem

Also Published As

Publication number Publication date
EP1408339A2 (de) 2004-04-14
JP2004130141A (ja) 2004-04-30
CN100498368C (zh) 2009-06-10
US6911821B2 (en) 2005-06-28
CN1553212A (zh) 2004-12-08
GB0223684D0 (en) 2002-11-20
EP1408339A3 (de) 2004-06-02
EP1408339B1 (de) 2006-09-06
DE60308122D1 (de) 2006-10-19
US20040070472A1 (en) 2004-04-15
DE60308122T2 (de) 2007-03-29
JP4540326B2 (ja) 2010-09-08

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