GB2304900A - RF coil for vertical magnetic field MRI system - Google Patents

RF coil for vertical magnetic field MRI system Download PDF

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Publication number
GB2304900A
GB2304900A GB9616687A GB9616687A GB2304900A GB 2304900 A GB2304900 A GB 2304900A GB 9616687 A GB9616687 A GB 9616687A GB 9616687 A GB9616687 A GB 9616687A GB 2304900 A GB2304900 A GB 2304900A
Authority
GB
United Kingdom
Prior art keywords
loops
posts
coil
plane
loop
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Withdrawn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
GB9616687A
Other languages
English (en)
Other versions
GB9616687D0 (en
Inventor
Leon Kaufman
Joseph W Carlson
Barry Mccarten
Stephen Krasnor
William K M Lu
Mitsuaki Arakawa
Kevin A Derby
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.)
Toshiba America MRI Inc
Original Assignee
Toshiba America MRI 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 Toshiba America MRI Inc filed Critical Toshiba America MRI Inc
Publication of GB9616687D0 publication Critical patent/GB9616687D0/en
Publication of GB2304900A publication Critical patent/GB2304900A/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Withdrawn legal-status Critical Current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
    • G01R33/32—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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
GB9616687A 1995-08-29 1996-08-08 RF coil for vertical magnetic field MRI system Withdrawn GB2304900A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/520,748 US5663645A (en) 1994-08-02 1995-08-29 Spatially orthogonal rectangular coil pair suitable for vertical magnetic field MRI system

Publications (2)

Publication Number Publication Date
GB9616687D0 GB9616687D0 (en) 1996-09-25
GB2304900A true GB2304900A (en) 1997-03-26

Family

ID=24073907

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9616687A Withdrawn GB2304900A (en) 1995-08-29 1996-08-08 RF coil for vertical magnetic field MRI system

Country Status (3)

Country Link
US (1) US5663645A (https=)
JP (1) JP3645368B2 (https=)
GB (1) GB2304900A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326715A (en) * 1997-06-26 1998-12-30 Toshiba America Mri Inc Self-supporting RF coil for MRI
EP0913699B1 (en) * 1997-11-03 2005-12-07 Koninklijke Philips Electronics N.V. Planar gradient coil system for MRI positioned on only one side of the subject to be examined

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5939883A (en) * 1996-07-17 1999-08-17 Fonar Corporation Magnetic resonance imaging excitation and reception methods and apparatus
US6144203A (en) * 1997-11-28 2000-11-07 Hitachi Medical Corporation Coil harness assembly for interventional MRI application
US6029081A (en) * 1998-03-19 2000-02-22 Picker International, Inc. Movable magnets for magnetic resonance surgery
US6249121B1 (en) 1999-05-17 2001-06-19 General Electric Company RF body coil
DE10116802C1 (de) * 2001-04-04 2002-10-02 Siemens Ag RF-Antenne für ein offenes MR-System
JP3727601B2 (ja) * 2002-03-05 2005-12-14 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴イメージング装置
DE102004003535B3 (de) * 2004-01-23 2005-10-13 Siemens Ag Erzeuger eines zeitvariablen Magnetfelds eines Magnetresonanzgeräts und Magnetresonanzgerät mit einem derartigen Erzeuger eines zeitvariablen Magnetfelds
US8823221B1 (en) 2012-09-26 2014-09-02 The United States Of America As Represented By The Secretary Of The Navy Optimized galfenol-type magnetostrictive actuator
WO2015102434A1 (ko) * 2014-01-03 2015-07-09 삼성전자 주식회사 알에프 코일

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133382A1 (en) * 1983-08-08 1985-02-20 Basic Medical Imaging Limited Radiofrequency coil
GB2144918A (en) * 1983-08-08 1985-03-13 Nat Res Dev Magnetic coils
GB2295675A (en) * 1994-12-01 1996-06-05 Univ California Four-post MRI magnet with RF screens

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Publication number Priority date Publication date Assignee Title
DE3579773D1 (de) * 1984-07-31 1990-10-25 Oxford Research Systems Ltd Verfahren und vorrichtung zur ermittlung von magnetischen kernresonanzspektren und darin verwendbare spulen.
US4918388A (en) * 1985-08-14 1990-04-17 Picker International, Inc. Quadrature surface coils for magnetic resonance imaging
US4784146A (en) * 1986-08-14 1988-11-15 University Of Florida Angled segment receiver coil for NMR imaging of a human head
US4766383A (en) * 1987-02-24 1988-08-23 Kabushiki Kaisha Toshiba Quadrature antenna for magnetic resonance imaging using elliptical coils
JPH0197443A (ja) * 1987-10-12 1989-04-14 Hitachi Ltd Ｎｍｒ用高周波コイル装置
GB2221995B (en) * 1988-08-19 1992-12-09 Picker Int Ltd Magnetic resonance methods and apparatus
US5134374A (en) * 1989-06-01 1992-07-28 Applied Superconetics Magnetic field control apparatus
US5003276A (en) * 1989-08-11 1991-03-26 General Atomics Method of site shimming on permanent magnets
DE4024582C2 (de) * 1989-08-16 1996-08-14 Siemens Ag Hochfrequenz-Antenne eines Kernspintomographen
DE69020113T2 (de) * 1989-11-24 1996-02-29 Toshiba Kawasaki Kk Empfangsspule für einen Apparat zur Bilderzeugung mit magnetischer Kernresonanz.
US5245286A (en) * 1991-04-18 1993-09-14 The Regents Of The University Of California Apparatus and method for stabilizing the background magnetic field during mri
US5510714A (en) * 1991-08-09 1996-04-23 Hitachi, Ltd. Magnetic resonance imaging apparatus and RF coil employed therein
DE4128323C2 (de) * 1991-08-27 1995-08-24 Siemens Ag Zirkular polarisierende Lokalantenne für ein Kernspinresonanz-Bildgerät
US5457386A (en) * 1991-11-26 1995-10-10 Hitachi, Ltd. Multiple-coil adopting a quadrature detection method applied thereto and a signal processing circuit employing the same in an MRI apparatus in a vertical magnetic system
US5270656A (en) * 1992-04-24 1993-12-14 The Trustees Of The University Of Pennsylvania Biplanar RF coils for magnetic resonance imaging or spectroscopy
DE4232884C2 (de) * 1992-09-30 1997-10-16 Siemens Ag Antennenanordnung für ein Kernspinresonanzgerät
US5517120A (en) * 1993-11-24 1996-05-14 Medrad, Inc. Quadrature coil for neurovascular imaging and spectroscopy of the human anatomy
US5370118A (en) * 1993-12-23 1994-12-06 Medical Advances, Inc. Opposed loop-pair quadrature NMR coil

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133382A1 (en) * 1983-08-08 1985-02-20 Basic Medical Imaging Limited Radiofrequency coil
GB2144918A (en) * 1983-08-08 1985-03-13 Nat Res Dev Magnetic coils
GB2295675A (en) * 1994-12-01 1996-06-05 Univ California Four-post MRI magnet with RF screens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326715A (en) * 1997-06-26 1998-12-30 Toshiba America Mri Inc Self-supporting RF coil for MRI
US6011393A (en) * 1997-06-26 2000-01-04 Toshiba America Mri, Inc. Self-supporting RF coil for MRI
EP0913699B1 (en) * 1997-11-03 2005-12-07 Koninklijke Philips Electronics N.V. Planar gradient coil system for MRI positioned on only one side of the subject to be examined

Also Published As

Publication number Publication date
US5663645A (en) 1997-09-02
GB9616687D0 (en) 1996-09-25
JPH09164126A (ja) 1997-06-24
JP3645368B2 (ja) 2005-05-11

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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)