DE3853902D1 - Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel. - Google Patents

Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel.

Info

Publication number
DE3853902D1
DE3853902D1 DE19883853902 DE3853902A DE3853902D1 DE 3853902 D1 DE3853902 D1 DE 3853902D1 DE 19883853902 DE19883853902 DE 19883853902 DE 3853902 A DE3853902 A DE 3853902A DE 3853902 D1 DE3853902 D1 DE 3853902D1
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
rf
cable
system
transmission over
mri coil
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.)
Expired - Lifetime
Application number
DE19883853902
Other languages
English (en)
Inventor
Mitsuaki Arakawa
Lawrence E Crooks
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.)
University of California
Original Assignee
University of California
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
Grant date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
    • G01R33/3657Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628Tuning/matching of the transmit/receive coil
DE19883853902 1987-09-01 1988-08-23 Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel. Expired - Lifetime DE3853902D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US07093670 US4763076A (en) 1987-09-01 1987-09-08 MRI transmit coil disable switching via RF in/out cable

Publications (1)

Publication Number Publication Date
DE3853902D1 true DE3853902D1 (de) 1995-07-06

Family

ID=22240134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883853902 Expired - Lifetime DE3853902D1 (de) 1987-09-01 1988-08-23 Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel.

Country Status (3)

Country Link
EP (1) EP0306763B1 (de)
JP (1) JP2607638B2 (de)
DE (1) DE3853902D1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4032707A1 (de) * 1990-10-15 1992-04-16 Siemens Ag Entstoerfilter fuer eine gradientenspule in einem kernspinresonanz-bildgeraet
US6414488B1 (en) * 2000-03-01 2002-07-02 Koninklijke Philips Electronics N.V. Method and apparatus for decoupling magnetic resonance receive coils
EP1308742B1 (de) * 2001-10-31 2008-03-05 Esaote S.p.A. Schaltkreis zur aktiven Entkoppelung von Sendespulen in Kernspinresonanztomographen, insbesondere vom Niedrigfeld-Typus
JP4955361B2 (ja) * 2006-10-04 2012-06-20 株式会社日立製作所 核磁気共鳴分光用送受信コイル

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4620155A (en) * 1984-08-16 1986-10-28 General Electric Company Nuclear magnetic resonance imaging antenna subsystem having a plurality of non-orthogonal surface coils
US4649348A (en) * 1984-08-20 1987-03-10 Technicare Corporation Radio frequency coils for nuclear magnetic resonance imaging systems
US4684895A (en) * 1985-08-05 1987-08-04 Picker International, Inc. Interface system for NMR spectrometer and quadrature probe
JPS6272343A (en) * 1985-09-27 1987-04-02 Toshiba Corp Resonance circuit for surface coil of magnetic resonance imaging apparatus
US4717881A (en) * 1985-11-15 1988-01-05 Technicare Corporation Radio frequency coils for nuclear magnetic resonance imaging systems
US4682125A (en) * 1986-02-10 1987-07-21 The Regents Of The University Of California RF coil coupling for MRI with tuned RF rejection circuit using coax shield choke
NL8603253A (nl) * 1986-12-22 1988-07-18 Philips Nv Kernspinresonantie-apparaat met draaiveldopwekking en detektie.

Also Published As

Publication number Publication date Type
EP0306763A3 (en) 1990-09-19 application
JP2607638B2 (ja) 1997-05-07 grant
EP0306763A2 (de) 1989-03-15 application
EP0306763B1 (de) 1995-05-31 grant
JPH0199545A (en) 1989-04-18 application

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Legal Events

Date Code Title Description
8332 No legal effect for de