FI65365C - Spolanordning - Google Patents

Spolanordning Download PDF

Info

Publication number
FI65365C
FI65365C FI822406A FI822406A FI65365C FI 65365 C FI65365 C FI 65365C FI 822406 A FI822406 A FI 822406A FI 822406 A FI822406 A FI 822406A FI 65365 C FI65365 C FI 65365C
Authority
FI
Finland
Prior art keywords
coil
signal
diameter
signal coil
arrangement according
Prior art date
Application number
FI822406A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI65365B (fi
FI822406A0 (fi
Inventor
Raimo Sepponen
Original Assignee
Instrumentarium Oy
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 Instrumentarium Oy filed Critical Instrumentarium Oy
Priority to FI822406A priority Critical patent/FI65365C/fi
Publication of FI822406A0 publication Critical patent/FI822406A0/fi
Priority to US06/510,350 priority patent/US4587493A/en
Priority to DE3323657A priority patent/DE3323657C2/de
Priority to JP58124065A priority patent/JPS5932855A/ja
Publication of FI65365B publication Critical patent/FI65365B/fi
Application granted granted Critical
Publication of FI65365C publication Critical patent/FI65365C/fi

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
    • G01R33/34007—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
    • G01R33/34—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
    • G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
FI822406A 1982-07-07 1982-07-07 Spolanordning FI65365C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI822406A FI65365C (fi) 1982-07-07 1982-07-07 Spolanordning
US06/510,350 US4587493A (en) 1982-07-07 1983-07-01 Coil arrangement
DE3323657A DE3323657C2 (de) 1982-07-07 1983-07-01 Einstellbare HF-Spulenanordnung
JP58124065A JPS5932855A (ja) 1982-07-07 1983-07-07 核スピン検査装置のコイル装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI822406 1982-07-07
FI822406A FI65365C (fi) 1982-07-07 1982-07-07 Spolanordning

Publications (3)

Publication Number Publication Date
FI822406A0 FI822406A0 (fi) 1982-07-07
FI65365B FI65365B (fi) 1984-01-31
FI65365C true FI65365C (fi) 1984-05-10

Family

ID=8515786

Family Applications (1)

Application Number Title Priority Date Filing Date
FI822406A FI65365C (fi) 1982-07-07 1982-07-07 Spolanordning

Country Status (4)

Country Link
US (1) US4587493A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5932855A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3323657C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI65365C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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* Cited by examiner, † Cited by third party
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US5177443A (en) * 1983-08-12 1993-01-05 Picker International Limited Nuclear magnetic resonance apparatus
GB8329196D0 (en) * 1983-11-02 1983-12-07 Bydder G M Nuclear magnetic resonance apparatus
FI73320C (fi) * 1984-01-20 1987-09-10 Instrumentarium Oy Nmr-spolarrangemang.
NL8400327A (nl) * 1984-02-03 1985-09-02 Philips Nv Spoel voor kernspinresonantie apparaat.
US4608991A (en) * 1984-09-26 1986-09-02 Southwest Research Institute Method for in-vivo NMR measurements in the human breast to screen for small breast cancer in an otherwise healthy breast
JPH0616758B2 (ja) * 1984-10-15 1994-03-09 株式会社東芝 磁気共鳴イメ−ジング装置
EP0191180B1 (en) * 1984-12-28 1990-03-21 Siemens Aktiengesellschaft Device for imaging of forked body regions using magnetic resonance
JPH0741031B2 (ja) * 1985-03-27 1995-05-10 株式会社日立製作所 核磁気共鳴を用いた検査装置
WO1988009927A1 (fr) * 1987-06-02 1988-12-15 Thomson-Cgr Dispositif de fixation et de reglage d'un mandrin porteur de bobines de gradient
US4703272A (en) * 1986-08-29 1987-10-27 The Regents Of The University Of California Apparatus and method for decoupling MRI RF coil from selected body portions using passive components
NL8801018A (nl) * 1988-04-20 1989-11-16 Philips Nv Magnetisch resonantie apparaat met ontkoppelde rf-spoelen.
DE3863201D1 (de) * 1987-02-17 1991-07-18 Siemens Ag Oberflaechenspule fuer ein kernspin-resonanzgeraet.
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing
ES2058714T3 (es) * 1987-06-23 1994-11-01 Nycomed Innovation Ab Mejoras introducidas en formacion de imagenes por resonancia magnetica.
US4768008A (en) * 1987-07-31 1988-08-30 General Atomics MRI magnet system with vessel having composite first wall
US4838274A (en) * 1987-09-18 1989-06-13 Air Products And Chemicals, Inc. Perfluoro-crown ethers in fluorine magnetic resonance imaging
US5085219A (en) * 1987-10-30 1992-02-04 The Regents Of The University Of California Adjustable holders for magnetic reasonance imaging rf surface coil
GB8727611D0 (en) * 1987-11-25 1987-12-31 Gen Electric Co Plc Coil arrangements for magnetic resonance apparatus
US4845431A (en) * 1988-03-18 1989-07-04 University Of Pittsburgh Variable aperture, variable frequency extremity coil for magnetic resonance imaging
FI80795C (fi) * 1988-07-01 1990-07-10 Instrumentarium Oy Foerfarande och anordning foer undersoekning av aemnens egenskaper.
JPH0616760B2 (ja) * 1988-09-09 1994-03-09 ザ・トラステイズ・オブ・ザ・ユーニバァスィティ・オブ・ペンシルバニア 核磁気共鳴映像法で使用するためのコイル組立体
US4897604A (en) * 1989-02-21 1990-01-30 The Regents Of The University Of California Method and apparatus for selective adjustment of RF coil size for magnetic resonance imaging
US5348010A (en) * 1989-02-24 1994-09-20 Medrea, Inc., Pennsylvania Corp., Pa. Intracavity probe and interface device for MRI imaging and spectroscopy
JPH0616764B2 (ja) * 1990-02-07 1994-03-09 株式会社東芝 磁気共鳴イメージングのためのコイル装置
JP3341306B2 (ja) * 1992-08-06 2002-11-05 株式会社日立製作所 傾斜磁場コイル及びこれを用いる核磁気共鳴撮影装置
US5396171A (en) * 1993-01-04 1995-03-07 General Electric Company Field mapping fixture for a superconducting magnet for imaging human limbs
WO1995000530A1 (en) 1993-06-25 1995-01-05 Affymax Technologies N.V. Hybridization and sequencing of nucleic acids
US5394086A (en) * 1993-08-09 1995-02-28 Picker International, Inc. Feed cable system for coils in high magnetic fields
JP3411631B2 (ja) * 1993-08-30 2003-06-03 株式会社日立メディコ Ｒｆプローブ及び磁気共鳴イメージング装置
GB9319921D0 (en) 1993-09-27 1998-03-18 British Tech Group Method of and apparatus for testing a sample
DE19509371C2 (de) * 1994-04-15 2000-03-23 Siemens Ag Veränderbare Antenne für ein Magnetresonanzgerät
US5502387A (en) * 1994-08-23 1996-03-26 Northrop Grumman Corporation Variable geometry MRI coil
DE19528260A1 (de) * 1995-08-01 1997-02-06 Siemens Ag Mammographie-Antenne für Magnetresonanzuntersuchungen
US6054858A (en) * 1997-01-27 2000-04-25 General Electric Company Method to automatically tune MRI RF coils
US6029081A (en) * 1998-03-19 2000-02-22 Picker International, Inc. Movable magnets for magnetic resonance surgery
DE10052192C2 (de) * 2000-10-20 2002-10-24 Siemens Ag Polarisierende Antenne, insbesondere zur Verwendung in einem Magnetresonanzgerät
US6852988B2 (en) * 2000-11-28 2005-02-08 Sumitomo Heavy Industries, Ltd. Gap adjustment apparatus and gap adjustment method for adjusting gap between two objects
DE10114013B4 (de) 2001-03-22 2005-06-23 Siemens Ag Magnetresonanzanlage
WO2003098236A2 (en) * 2002-05-16 2003-11-27 Medrad, Inc. System and method of obtaining images and spectra of intracavity structures using 3.0 tesla magnetic resonance systems
US7218106B2 (en) * 2003-12-04 2007-05-15 Kabushiki Kaisha Toshiba MRI with automatic contour-controlled separation between RF coil and object being imaged
CN101229061B (zh) * 2004-11-02 2012-11-21 株式会社东芝 磁共振成像装置和磁共振成像方法
US7885704B2 (en) * 2004-11-15 2011-02-08 Medrad, Inc. Intracavity probes and interfaces therefor for use in obtaining images and spectra of intracavity structures using high field magnetic resonance systems
JP4734031B2 (ja) * 2005-05-27 2011-07-27 株式会社東芝 Ｍｒｉ装置
DE102006027189A1 (de) * 2006-06-12 2007-12-13 Siemens Ag Kopfspulenanordnung für ein Magnetresonanzgerät
CN207837547U (zh) * 2017-03-02 2018-09-11 西门子(深圳)磁共振有限公司 一种射频线圈装置与底座

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US3789832A (en) * 1972-03-17 1974-02-05 R Damadian Apparatus and method for detecting cancer in tissue
US4015196A (en) * 1974-04-05 1977-03-29 National Research Development Corporation Analysis of materials
US4021726A (en) * 1974-09-11 1977-05-03 National Research Development Corporation Image formation using nuclear magnetic resonance
CA1052861A (en) * 1975-03-18 1979-04-17 Varian Associates Gyromagnetic resonance fourier transform zeugmatography
GB2050062B (en) * 1979-05-25 1983-07-20 Emi Ltd Coils for electromagnets with uniform fields
US4388593A (en) * 1980-11-13 1983-06-14 The United States Of America As Represented By The Secretary Of The Navy Coil device for underwater magnetic testing
US4398149A (en) * 1981-02-02 1983-08-09 Varian Associates, Inc. NMR Probe coil system

Also Published As

Publication number Publication date
DE3323657C2 (de) 1994-09-29
FI65365B (fi) 1984-01-31
JPS5932855A (ja) 1984-02-22
JPH0348816B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-07-25
US4587493A (en) 1986-05-06
DE3323657A1 (de) 1984-01-12
FI822406A0 (fi) 1982-07-07

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MM Patent lapsed

Owner name: INSTRUMENTARIUM OY/DATEX PALOMEX