WO2004097440A3 - Coils for high frequency mri - Google Patents

Coils for high frequency mri Download PDF

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Publication number
WO2004097440A3
WO2004097440A3 PCT/US2004/010859 US2004010859W WO2004097440A3 WO 2004097440 A3 WO2004097440 A3 WO 2004097440A3 US 2004010859 W US2004010859 W US 2004010859W WO 2004097440 A3 WO2004097440 A3 WO 2004097440A3
Authority
WO
WIPO (PCT)
Prior art keywords
coils
transmission line
distributed capacitance
tuned
high frequency
Prior art date
Application number
PCT/US2004/010859
Other languages
French (fr)
Other versions
WO2004097440A2 (en
WO2004097440B1 (en
Inventor
Wai Ha Wong
Jimmy Leung
Alexander L Funk
Knut Mehr
Original Assignee
Varian 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 Varian Inc filed Critical Varian Inc
Priority to EP04749894A priority Critical patent/EP1620744A2/en
Priority to JP2006509821A priority patent/JP4490966B2/en
Publication of WO2004097440A2 publication Critical patent/WO2004097440A2/en
Publication of WO2004097440A3 publication Critical patent/WO2004097440A3/en
Publication of WO2004097440B1 publication Critical patent/WO2004097440B1/en

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
    • G01R33/34053—Solenoid coils; Toroidal 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
    • G01R33/32—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
    • G01R33/34069—Saddle 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils

Abstract

NMR coils are formed from transmission line comprising a tuned LC circuit determined substantially from the distributed capacitance and inductance of the transmission line operated in common mode. Introduction of gaps staggered between opposite conductors of 2-conductor transmission line contribute a desired distributed capacitance with reduced effective inductance to sustain resonant behavior at higher frequency than achievable with conventionally tuned coils and with relaxation of dimensional constraints as the resonant half wavelength approaches coil dimensions.
PCT/US2004/010859 2003-04-29 2004-04-08 Coils for high frequency mri WO2004097440A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04749894A EP1620744A2 (en) 2003-04-29 2004-04-08 Coils for high frequency mri
JP2006509821A JP4490966B2 (en) 2003-04-29 2004-04-08 High frequency MRI coil

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/425,780 2003-04-29
US10/425,780 US6980000B2 (en) 2003-04-29 2003-04-29 Coils for high frequency MRI

Publications (3)

Publication Number Publication Date
WO2004097440A2 WO2004097440A2 (en) 2004-11-11
WO2004097440A3 true WO2004097440A3 (en) 2005-03-17
WO2004097440B1 WO2004097440B1 (en) 2005-04-28

Family

ID=33309747

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/010859 WO2004097440A2 (en) 2003-04-29 2004-04-08 Coils for high frequency mri

Country Status (4)

Country Link
US (1) US6980000B2 (en)
EP (1) EP1620744A2 (en)
JP (1) JP4490966B2 (en)
WO (1) WO2004097440A2 (en)

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KR102076752B1 (en) 2016-11-23 2020-02-12 제너럴 일렉트릭 캄파니 System for Radio Frequency Coils for MR Imaging
KR102276790B1 (en) 2016-11-23 2021-07-14 제너럴 일렉트릭 캄파니 System for radio frequency coils for MR imaging
US11567153B2 (en) 2016-11-23 2023-01-31 General Electric Company Systems for a radio frequency coil for MR imaging
KR102346911B1 (en) 2016-11-23 2022-01-05 제너럴 일렉트릭 캄파니 Front Radio Frequency (RF) Coil Array for Magnetic Resonance Imaging (MRI) Systems
WO2018097864A1 (en) 2016-11-25 2018-05-31 General Electric Company A radio frequency head coil for a magnetic resonance imaging system and methods thereof
US10243415B1 (en) 2016-12-29 2019-03-26 X Development Llc Mobile power transmitter
US11686792B2 (en) * 2017-04-30 2023-06-27 New York University Receive coil arrangement and method for use thereof
US10983185B2 (en) * 2017-11-22 2021-04-20 General Electric Company RF coil array for an MRI system
US10921399B2 (en) * 2017-11-22 2021-02-16 GE Precision Healthcare LLC Radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system for use in interventional and surgical procedures
US10969447B2 (en) * 2017-11-22 2021-04-06 General Electric Company Flexible radio frequency coil array with detachable straps for MR imaging
JP7092541B2 (en) * 2018-04-10 2022-06-28 富士フイルムヘルスケア株式会社 Array coil and magnetic resonance imaging device
US11280859B2 (en) * 2018-05-31 2022-03-22 General Electric Company Method and systems for a radio frequency coil assembly
US11307274B2 (en) * 2018-06-06 2022-04-19 General Electric Company Method and systems for a radio frequency coil assembly
US11360168B2 (en) * 2018-11-21 2022-06-14 General Electric Company Systems and methods for a neck radio frequency coil for MR imaging
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Also Published As

Publication number Publication date
EP1620744A2 (en) 2006-02-01
US20040217761A1 (en) 2004-11-04
US6980000B2 (en) 2005-12-27
WO2004097440A2 (en) 2004-11-11
WO2004097440B1 (en) 2005-04-28
JP4490966B2 (en) 2010-06-30
JP2006525075A (en) 2006-11-09

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