AU4374993A - Solenoidal, octopolar, transverse gradient coils - Google Patents

Solenoidal, octopolar, transverse gradient coils

Info

Publication number
AU4374993A
AU4374993A AU43749/93A AU4374993A AU4374993A AU 4374993 A AU4374993 A AU 4374993A AU 43749/93 A AU43749/93 A AU 43749/93A AU 4374993 A AU4374993 A AU 4374993A AU 4374993 A AU4374993 A AU 4374993A
Authority
AU
Australia
Prior art keywords
octopolar
solenoidal
gradient coils
transverse gradient
transverse
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.)
Abandoned
Application number
AU43749/93A
Other languages
English (en)
Inventor
F. David Doty
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.)
Doty Scientific Inc
Original Assignee
Doty Scientific 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 Doty Scientific Inc filed Critical Doty Scientific Inc
Publication of AU4374993A publication Critical patent/AU4374993A/en
Abandoned 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/42—Screening
    • G01R33/421—Screening of 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
    • G01R33/42—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
    • G01R33/42—Screening
    • G01R33/422—Screening of the radio frequency field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
AU43749/93A 1992-07-10 1993-05-13 Solenoidal, octopolar, transverse gradient coils Abandoned AU4374993A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US91214992A 1992-07-10 1992-07-10
US912149 1992-07-10
PCT/US1993/004574 WO1994001785A1 (fr) 1992-07-10 1993-05-13 Bobines solenoide, octopolaire et a gradient transversal

Publications (1)

Publication Number Publication Date
AU4374993A true AU4374993A (en) 1994-01-31

Family

ID=25431449

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43749/93A Abandoned AU4374993A (en) 1992-07-10 1993-05-13 Solenoidal, octopolar, transverse gradient coils

Country Status (2)

Country Link
AU (1) AU4374993A (fr)
WO (1) WO1994001785A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5293126A (en) * 1992-11-09 1994-03-08 General Electric Company Local transverse gradient coil
US5623208A (en) * 1993-04-14 1997-04-22 Jeol Ltd. Z-axis magnetic field gradient coil structure for magnetic resonance system
US5483163A (en) * 1993-08-12 1996-01-09 The United States Of America As Represented By The Department Of Health And Human Services MRI coil using inductively coupled individually tuned elements arranged as free-pivoting components
JP3847079B2 (ja) * 2000-11-21 2006-11-15 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 Ｍｒｉ装置
EP1354216A1 (fr) 2000-12-22 2003-10-22 Koninklijke Philips Electronics N.V. Appareil irm
US7230426B2 (en) * 2003-06-20 2007-06-12 General Electric Company Split-shield gradient coil with improved fringe-field
WO2005029111A1 (fr) * 2003-09-19 2005-03-31 Multi-Dimension Technology, Llc Bobine de gradient a deux plans cylindrique pour irm
GB2409521B (en) * 2003-12-22 2007-04-18 Ge Med Sys Global Tech Co Llc Gradient coil apparatus and method of assembly thereof
JP5961612B2 (ja) * 2010-08-25 2016-08-02 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 遮蔽材料として導電性コーティングを有するｍｒｉに対するｒｆシールド

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354331A (en) * 1941-05-05 1944-07-25 Wladimir J Polydoroff High-frequency ferroinductor
US2498475A (en) * 1948-05-06 1950-02-21 Gen Electric Saturable magnetic core
US3237090A (en) * 1961-10-11 1966-02-22 Emerson Electric Co Welding transformer
US3924211A (en) * 1968-12-25 1975-12-02 Benyamin Alexandrovich Ioffe Method of orienting electrically conductive bodies, preferably non-magnetic ones, in a magnetic field and apparatus for performing same
JPS5438792A (en) * 1977-09-02 1979-03-23 Hitachi Ltd High intensity electromagnetic shield material and production of the same
US4514586A (en) * 1982-08-30 1985-04-30 Enthone, Inc. Method of using a shielding means to attenuate electromagnetic radiation in the radio frequency range
US4642569A (en) * 1983-12-16 1987-02-10 General Electric Company Shield for decoupling RF and gradient coils in an NMR apparatus
US4646046A (en) * 1984-11-21 1987-02-24 General Electric Company Shielded room construction for containment of fringe magnetic fields
US4733189A (en) * 1986-06-03 1988-03-22 Massachusetts Institute Of Technology Magnetic resonance imaging systems
US4766383A (en) * 1987-02-24 1988-08-23 Kabushiki Kaisha Toshiba Quadrature antenna for magnetic resonance imaging using elliptical coils
US4876510A (en) * 1987-06-04 1989-10-24 Siemens Aktiengesellschaft Apparatus for nuclear spin tomography having superconducting base field magnetic coils and a radiation shield
US4768008A (en) * 1987-07-31 1988-08-30 General Atomics MRI magnet system with vessel having composite first wall
US4820988A (en) * 1987-10-07 1989-04-11 The Regents Of The University Of California Magnetic gradient coil set for nuclear magnetic resonace system having substantially different coil-patient spacings
JPH0714120B2 (ja) * 1988-02-09 1995-02-15 大阪府 超電導磁気遮蔽体
JPH0284935A (ja) * 1988-06-14 1990-03-26 Toshiba Corp 磁気共鳴イメージング装置
US4935714A (en) * 1988-07-05 1990-06-19 General Electric Company Low thermal conductance support for a radiation shield in a MR magnet
US5061891A (en) * 1988-11-21 1991-10-29 Yazaki Corporation Cross coil
US5084676A (en) * 1988-12-23 1992-01-28 Hitachi, Ltd. Nuclear magnetic resonance apparatus
US4910462A (en) * 1989-04-28 1990-03-20 General Electric Company Etched Z-axis gradient coils for NMR system
US4965521A (en) * 1989-08-11 1990-10-23 Spectroscopy Imaging Systems Method and apparatus for compensating eddy current effects in a magnetic resonance device having pulsed magnetic field gradients
DE4029477C2 (de) * 1989-09-29 1994-06-01 Siemens Ag Tesserale Gradientenspule für Kernspin-Tomographiegeräte
DE69020113T2 (de) * 1989-11-24 1996-02-29 Toshiba Kawasaki Kk Empfangsspule für einen Apparat zur Bilderzeugung mit magnetischer Kernresonanz.
DE4037894A1 (de) * 1989-12-11 1991-06-13 Siemens Ag Kernspintomograph
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
US5235283A (en) * 1991-02-07 1993-08-10 Siemens Aktiengesellschaft Gradient coil system for a nuclear magnetic resonance tomography apparatus which reduces acoustic noise
US5225782A (en) * 1991-09-13 1993-07-06 General Electric Company Eddy current free MRI magnet with integrated gradient coils

Also Published As

Publication number Publication date
WO1994001785A1 (fr) 1994-01-20

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