JPH0351174B2 - - Google Patents

Info

Publication number
JPH0351174B2
JPH0351174B2 JP61143095A JP14309586A JPH0351174B2 JP H0351174 B2 JPH0351174 B2 JP H0351174B2 JP 61143095 A JP61143095 A JP 61143095A JP 14309586 A JP14309586 A JP 14309586A JP H0351174 B2 JPH0351174 B2 JP H0351174B2
Authority
JP
Japan
Prior art keywords
jacket
test head
head
conductors
conductor
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
JP61143095A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6249840A (ja
Inventor
Biiru Rainharuto
Eru Raukiin Gyunteru
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.)
BURUUKAA MEDEITSUINTEHINIKU GmbH
Original Assignee
BURUUKAA MEDEITSUINTEHINIKU GmbH
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 BURUUKAA MEDEITSUINTEHINIKU GmbH filed Critical BURUUKAA MEDEITSUINTEHINIKU GmbH
Publication of JPS6249840A publication Critical patent/JPS6249840A/ja
Publication of JPH0351174B2 publication Critical patent/JPH0351174B2/ja
Granted 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
    • G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453—Transverse electromagnetic [TEM] 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3628—Tuning/matching of the transmit/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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • 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
    • 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
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF 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)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP61143095A 1985-06-22 1986-06-20 核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツド Granted JPS6249840A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3522401.0 1985-06-22
DE19853522401 DE3522401A1 (de) 1985-06-22 1985-06-22 Probenkopf fuer die nmr-tomographie

Publications (2)

Publication Number Publication Date
JPS6249840A JPS6249840A (ja) 1987-03-04
JPH0351174B2 true JPH0351174B2 (https=) 1991-08-06

Family

ID=6273926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61143095A Granted JPS6249840A (ja) 1985-06-22 1986-06-20 核磁気共鳴（ｎｍｒ）−測定、特にｎｍｒ−断層撮影のための検査ヘツド

Country Status (4)

Country Link
US (1) US4939465A (https=)
EP (1) EP0206057B1 (https=)
JP (1) JPS6249840A (https=)
DE (2) DE3522401A1 (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751464A (en) * 1987-05-04 1988-06-14 Advanced Nmr Systems, Inc. Cavity resonator with improved magnetic field uniformity for high frequency operation and reduced dielectric heating in NMR imaging devices
DE3839046A1 (de) * 1988-11-18 1990-05-23 Bruker Medizintech Probenkopf fuer die nmr-tomographie
DE3923069C3 (de) * 1989-07-13 1996-11-21 Bruker Medizintech Verfahren und Vorrichtung zum Kalibrieren einer Hochfrequenz-Feldstärke in einem Meßraum eines Kernspintomographen
US5041791A (en) * 1989-08-07 1991-08-20 Washington University Magnetic resonance RF probe with electromagnetically isolated transmitter and receiver coils
WO1991002261A1 (en) * 1989-08-11 1991-02-21 British Technology Group Plc Resonant cavities for nmr
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
DE4104079C2 (de) * 1991-02-11 1994-12-08 Bruker Medizintech Probenkopf für die NMR-Tomographie
US5365173A (en) * 1992-07-24 1994-11-15 Picker International, Inc. Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
US5372137A (en) * 1993-01-19 1994-12-13 The Mcw Research Foundation, Inc. NMR local coil for brain imaging
DE4301557C2 (de) * 1993-01-21 1995-07-06 Siemens Ag Antennenanordnung mit Abschirmung für ein Kernspintomographiegerät
US5347221A (en) * 1993-03-09 1994-09-13 Rubinson Kenneth A Truncated nuclear magnetic imaging probe
US5432450A (en) * 1993-03-09 1995-07-11 The Five Oaks Research Institute Truncated nuclear magnetic imaging probe
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
DE4408195C2 (de) * 1994-03-11 1996-09-05 Bruker Analytische Messtechnik Resonator für die Kernspinresonanz
DE19732783C1 (de) * 1997-07-30 1999-03-04 Bruker Medizintech HF-Spulensystem für eine MR-Meßeinrichtung
US6236206B1 (en) 1999-04-23 2001-05-22 Varian, Inc. Globally tunable birdcage coil and method for using same
CA2373526A1 (en) 1999-05-21 2000-11-30 The General Hospital Corporation Tem resonator for magnetic resonance imaging
US7598739B2 (en) * 1999-05-21 2009-10-06 Regents Of The University Of Minnesota Radio frequency gradient, shim and parallel imaging coil
US6232779B1 (en) * 1999-08-25 2001-05-15 General Electric Company NMR RF coil with improved resonant tuning and field containment
US6788056B2 (en) 2000-07-31 2004-09-07 Regents Of The University Of Minnesota Radio frequency magnetic field unit with aperature
EP1687651A1 (en) * 2003-11-18 2006-08-09 Koninklijke Philips Electronics N.V. Hybrid tem/birdcage coil for mri
CA2565248C (en) * 2004-05-07 2014-07-08 Regents Of The University Of Minnesota Multi-current elements for magnetic resonance radio frequency coils
CN101171526B (zh) * 2005-05-06 2012-07-18 皇家飞利浦电子股份有限公司 用于高场mri线圈的电磁屏蔽
DE102006045399A1 (de) * 2006-09-26 2008-04-10 Siemens Ag Detektionseinheit, enthaltend ein HF-Sende-Empfangssystem und einen PET-Detektor
US7613578B2 (en) * 2007-05-01 2009-11-03 Hagmann Mark J Method for noninvasive determination of a distribution of electrical current and apparatus for the same
EP2249699B1 (en) * 2008-01-25 2013-11-20 Agilent Technologies, Inc. Differential tuning of quadrature modes of a magnetic resonance coil
DE102008009376B4 (de) * 2008-02-14 2011-02-03 Bruker Biospin Gmbh Resonatoranordnung für Messungen an einer Probe in einem konstanten Magnetfeld mittels magnetischer Resonanz
JP5248557B2 (ja) * 2010-07-29 2013-07-31 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

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0047065B1 (en) * 1980-08-29 1986-10-01 Technicare Corporation Distributed phase rf coil
US4439733A (en) * 1980-08-29 1984-03-27 Technicare Corporation Distributed phase RF coil
US4398149A (en) * 1981-02-02 1983-08-09 Varian Associates, Inc. NMR Probe coil system
DE3133432A1 (de) * 1981-08-24 1983-03-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur
NL8203934A (nl) * 1982-10-12 1984-05-01 Philips Nv Kernspintomograaf.
US4607225A (en) * 1983-07-19 1986-08-19 Regents Of The University Of California Apparatus and method for reducing spurious currents in NMR imaging apparatus induced by pulsed gradient fields
US4694255A (en) * 1983-11-04 1987-09-15 General Electric Company Radio frequency field coil for NMR
GB8405066D0 (en) * 1984-02-27 1984-04-04 Picker Int Ltd Coil arrangements
DE3410204A1 (de) * 1984-03-20 1985-10-03 Siemens AG, 1000 Berlin und 8000 München Hochfrequenz-antenneneinrichtung in einer apparatur zur kernspintomographie und verfahren zum betrieb dieser einrichtung
US4649348A (en) * 1984-08-20 1987-03-10 Technicare Corporation Radio frequency coils for nuclear magnetic resonance imaging systems

Also Published As

Publication number Publication date
EP0206057A3 (en) 1987-08-05
US4939465A (en) 1990-07-03
JPS6249840A (ja) 1987-03-04
EP0206057A2 (de) 1986-12-30
EP0206057B1 (de) 1990-05-02
DE3522401A1 (de) 1987-01-02
DE3670913D1 (de) 1990-06-07

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees