DE3323657C2 - Einstellbare HF-Spulenanordnung - Google Patents

Einstellbare HF-Spulenanordnung

Info

Publication number
DE3323657C2
DE3323657C2 DE3323657A DE3323657A DE3323657C2 DE 3323657 C2 DE3323657 C2 DE 3323657C2 DE 3323657 A DE3323657 A DE 3323657A DE 3323657 A DE3323657 A DE 3323657A DE 3323657 C2 DE3323657 C2 DE 3323657C2
Authority
DE
Germany
Prior art keywords
coil
adjustable
conductor
arrangement
guide
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
DE3323657A
Other languages
German (de)
English (en)
Other versions
DE3323657A1 (de
Inventor
Raimo Sepponen
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.)
Philips Medical Systems MR Technologies Finland Oy
Original Assignee
Picker Nordstar 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 Picker Nordstar Oy filed Critical Picker Nordstar Oy
Publication of DE3323657A1 publication Critical patent/DE3323657A1/de
Application granted granted Critical
Publication of DE3323657C2 publication Critical patent/DE3323657C2/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
    • G01R33/34—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)
DE3323657A 1982-07-07 1983-07-01 Einstellbare HF-Spulenanordnung Expired - Lifetime DE3323657C2 (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
DE3323657A1 DE3323657A1 (de) 1984-01-12
DE3323657C2 true DE3323657C2 (de) 1994-09-29

Family

ID=8515786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3323657A Expired - Lifetime DE3323657C2 (de) 1982-07-07 1983-07-01 Einstellbare HF-Spulenanordnung

Country Status (4)

Country Link
US (1) US4587493A (enExample)
JP (1) JPS5932855A (enExample)
DE (1) DE3323657C2 (enExample)
FI (1) FI65365C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19528260A1 (de) * 1995-08-01 1997-02-06 Siemens Ag Mammographie-Antenne für Magnetresonanzuntersuchungen

Families Citing this family (44)

* 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
DE3576736D1 (de) * 1984-12-28 1990-04-26 Siemens Ag Geraet zur bildgebung von gabelfoermigen koerperregionen mittels magnetischer resonanz.
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.
EP0280908B1 (de) * 1987-02-17 1991-06-12 Siemens Aktiengesellschaft Oberflächenspule für ein Kernspin-Resonanzgerät
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing
WO1988010419A1 (en) * 1987-06-23 1988-12-29 Cockbain, Julian, Roderick, Michaelson Improvements in and relating to magnetic resonance imaging
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
AU7212494A (en) 1993-06-25 1995-01-17 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
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
WO2006107344A2 (en) * 2004-11-15 2006-10-12 Medrad, Inc. Probes and interfaces for obtaining images an spectra of intracavity structures using high-field 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
US7663366B2 (en) * 2004-11-02 2010-02-16 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus with a movable RF coil having a controllable distance between the movable RF coil and an imaged body surface
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19528260A1 (de) * 1995-08-01 1997-02-06 Siemens Ag Mammographie-Antenne für Magnetresonanzuntersuchungen
US5755667A (en) * 1995-08-01 1998-05-26 Siemens Aktiengesellschaft Mammography antenna for nuclear magnetic resonance examinations

Also Published As

Publication number Publication date
DE3323657A1 (de) 1984-01-12
FI65365B (fi) 1984-01-31
FI65365C (fi) 1984-05-10
US4587493A (en) 1986-05-06
JPH0348816B2 (enExample) 1991-07-25
JPS5932855A (ja) 1984-02-22
FI822406A0 (fi) 1982-07-07

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8127 New person/name/address of the applicant

Owner name: PICKER NORDSTAR, INC., HELSINKI, FI

8128 New person/name/address of the agent

Representative=s name: WOLF, G., DIPL.-ING., PAT.-ANW., 63456 HANAU

8125 Change of the main classification

Ipc: G01R 33/34

D2 Grant after examination
8364 No opposition during term of opposition