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 DE3853902T DE3853902T DE3853902D1 DE 3853902 D1 DE3853902 D1 DE 3853902D1 DE 3853902 T DE3853902 T DE 3853902T DE 3853902 T DE3853902 T DE 3853902T DE 3853902 D1 DE3853902 D1 DE 3853902D1
Authority
DE
Germany
Prior art keywords
transmission line
signals
magnetic resonance
cable
switch
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
DE3853902T
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
Priority claimed from US07/093,670 external-priority patent/US4763076A/en
Application filed by University of California filed Critical University of California
Application granted granted Critical
Publication of DE3853902D1 publication Critical patent/DE3853902D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3642—Mutual 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
    • G01R33/3657—Decoupling 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
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/receive coil
DE3853902T 1987-09-08 1988-08-23 Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel. Expired - Lifetime DE3853902D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/093,670 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
DE3853902T Expired - Lifetime DE3853902D1 (de) 1987-09-08 1988-08-23 Ausschaltungssystem einer MRI-Transmissionsspule über ein RF Ein-/Aus-Kabel.

Country Status (4)

Country Link
EP (1) EP0306763B1 (de)
JP (1) JP2607638B2 (de)
AT (1) ATE123343T1 (de)
DE (1) DE3853902D1 (de)

Families Citing this family (5)

* 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
ITSV20010039A1 (it) 2001-10-31 2003-05-01 Esaote Spa Circuito didisaccoppiamento di bobine di trasmissione nelle macchine per il rilevamento d'immagini di risonanza
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
CN114200365B (zh) * 2020-09-02 2024-03-19 西门子(深圳)磁共振有限公司 磁共振成像装置

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 (ja) * 1985-09-27 1987-04-02 株式会社東芝 磁気共鳴イメ−ジング装置の表面コイル用共振回路
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
EP0306763A2 (de) 1989-03-15
JP2607638B2 (ja) 1997-05-07
EP0306763A3 (en) 1990-09-19
ATE123343T1 (de) 1995-06-15
EP0306763B1 (de) 1995-05-31
JPH0199545A (ja) 1989-04-18

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Legal Events

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