DE3475436D1 - Nuclear magnetic resonance diagnostic apparatus - Google Patents

Nuclear magnetic resonance diagnostic apparatus

Info

Publication number
DE3475436D1
DE3475436D1 DE8484301174T DE3475436T DE3475436D1 DE 3475436 D1 DE3475436 D1 DE 3475436D1 DE 8484301174 T DE8484301174 T DE 8484301174T DE 3475436 T DE3475436 T DE 3475436T DE 3475436 D1 DE3475436 D1 DE 3475436D1
Authority
DE
Germany
Prior art keywords
magnetic resonance
nuclear magnetic
diagnostic apparatus
resonance diagnostic
nuclear
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
Application number
DE8484301174T
Other languages
English (en)
Inventor
Tatsuhiko Kabushiki Ka Kawachi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3475436D1 publication Critical patent/DE3475436D1/de
Expired 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
DE8484301174T 1983-02-23 1984-02-23 Nuclear magnetic resonance diagnostic apparatus Expired DE3475436D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58028701A JPS59155239A (ja) 1983-02-23 1983-02-23 診断用核磁気共鳴装置

Publications (1)

Publication Number Publication Date
DE3475436D1 true DE3475436D1 (en) 1989-01-05

Family

ID=12255762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484301174T Expired DE3475436D1 (en) 1983-02-23 1984-02-23 Nuclear magnetic resonance diagnostic apparatus

Country Status (4)

Country Link
US (1) US4545384A (de)
EP (1) EP0117725B1 (de)
JP (1) JPS59155239A (de)
DE (1) DE3475436D1 (de)

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DE3570135D1 (en) * 1984-08-01 1989-06-15 Siemens Ag Apparatus for producing images of an object under examination
US4680548A (en) * 1984-10-09 1987-07-14 General Electric Company Radio frequency field coil for NMR
US4564017A (en) * 1984-11-21 1986-01-14 General Electric Company Method and apparatus for respiration monitoring with an NMR scanner
US4567893A (en) * 1984-11-21 1986-02-04 General Electric Company Method of eliminating breathing artifacts in NMR imaging
NL8403627A (nl) * 1984-11-29 1986-06-16 Philips Nv Werkwijze en inrichting voor het bepalen van een kernmagnetisatieverdeling in een deel van een lichaam.
EP0186238B1 (de) * 1984-12-21 1990-03-07 Philips Patentverwaltung GmbH Verfahren zur Erzeugung eines Bewegungssignals und Kernspintomograph für ein solches Verfahren
DE3514542A1 (de) * 1985-04-22 1986-10-23 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur zusammensetzung eines mr-bildes aus atemgesteuert aufgenommenen bilddaten
US4779620A (en) * 1985-06-11 1988-10-25 Siemens Aktiengesellschaft Nuclear magnetic resonance tomography apparatus and method
US4694837A (en) * 1985-08-09 1987-09-22 Picker International, Inc. Cardiac and respiratory gated magnetic resonance imaging
US5209233A (en) * 1985-08-09 1993-05-11 Picker International, Inc. Temperature sensing and control system for cardiac monitoring electrodes
US4724386A (en) * 1985-09-30 1988-02-09 Picker International, Inc. Centrally ordered phase encoding
US4712560A (en) * 1985-08-09 1987-12-15 General Electric Company Apparatus and method of acquiring physiological gating signals for magnetic resonance imaging of moving objects
US4991587A (en) * 1985-08-09 1991-02-12 Picker International, Inc. Adaptive filtering of physiological signals in physiologically gated magnetic resonance imaging
DE3676481D1 (de) * 1985-08-09 1991-02-07 Picker Int Inc Zentral angeordnete phasenkodierung.
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4920318A (en) * 1985-08-14 1990-04-24 Picker International, Inc. Surface coil system for magnetic resonance imaging
US4841248A (en) * 1985-08-14 1989-06-20 Picker International, Inc. Transverse field limited localized coil for magnetic resonance imaging
US4719424A (en) * 1985-08-21 1988-01-12 Kabushiki Kaisha Toshiba Magnetic resonance imaging system
JPS62106755A (ja) * 1985-11-02 1987-05-18 株式会社東芝 磁気共鳴イメ−ジング装置
US4950993A (en) * 1985-11-29 1990-08-21 Thomson-Cgr Device and method for adjusting a radiofrequency antenna of a nuclear magnetic resonance apparatus
EP0239773A1 (de) * 1986-03-05 1987-10-07 Siemens Aktiengesellschaft Kernspin-Tomographiegerät
US4903704A (en) * 1986-08-14 1990-02-27 North American Philips Corporation Method and apparatus for MR imaging
US4784146A (en) * 1986-08-14 1988-11-15 University Of Florida Angled segment receiver coil for NMR imaging of a human head
JPS63164943A (ja) * 1986-09-03 1988-07-08 株式会社日立製作所 Ｎｍｒイメ−ジング方式
US4855910A (en) * 1986-10-22 1989-08-08 North American Philips Corporation Time-clustered cardio-respiratory encoder and method for clustering cardio-respiratory signals
US4876509A (en) * 1986-12-17 1989-10-24 Resonex, Inc. Image restoration process for magnetic resonance imaging resonance imaging
US4761613A (en) * 1987-08-12 1988-08-02 Picker International, Inc. Monitored echo gating for the reduction of motion artifacts
US4812761A (en) * 1987-09-24 1989-03-14 Board Of Regents, The University Of Texas System Electrically parallel equal phase resonant loops for nuclear magnetic resonance surface coils
US4827219A (en) * 1988-01-07 1989-05-02 The Regents Of The University Of California Remotely adjustable MRI RF coil impedance matching circuit with mutualy coupled resonators
JP2646663B2 (ja) * 1988-06-07 1997-08-27 株式会社日立製作所 動体イメージング方法およびその装置
EP0351446B1 (de) * 1988-07-22 1992-04-01 Siemens Aktiengesellschaft Pulssequenz für ein Kernspin-Tomographiegerät
JPH0252639A (ja) * 1988-08-15 1990-02-22 Toshiba Corp 磁気共鳴イメージング装置
US4933639A (en) * 1989-02-13 1990-06-12 The Board Of Regents, The University Of Texas System Axis translator for magnetic resonance imaging
US5323776A (en) * 1992-10-15 1994-06-28 Picker International, Inc. MRI compatible pulse oximetry system
US5555884A (en) * 1992-12-16 1996-09-17 Kabushiki Kaisha Egawa Measuring method by using resonance of a resonance medium
US5812691A (en) * 1995-02-24 1998-09-22 Udupa; Jayaram K. Extraction of fuzzy object information in multidimensional images for quantifying MS lesions of the brain
US7158610B2 (en) * 2003-09-05 2007-01-02 Varian Medical Systems Technologies, Inc. Systems and methods for processing x-ray images
US6937696B1 (en) * 1998-10-23 2005-08-30 Varian Medical Systems Technologies, Inc. Method and system for predictive physiological gating
CA2475213C (en) 2002-02-08 2009-02-24 Taut, Inc. Introducer assembly for medical instruments
US7620444B2 (en) 2002-10-05 2009-11-17 General Electric Company Systems and methods for improving usability of images for medical applications
US8571639B2 (en) 2003-09-05 2013-10-29 Varian Medical Systems, Inc. Systems and methods for gating medical procedures
US20050053267A1 (en) * 2003-09-05 2005-03-10 Varian Medical Systems Technologies, Inc. Systems and methods for tracking moving targets and monitoring object positions
US8884617B2 (en) 2008-06-23 2014-11-11 The Regents Of The University Of California Magnetic particle imaging devices and methods
EP4270143A3 (de) 2008-06-23 2023-12-27 The Regents Of The University Of California, Berkeley Verbesserte techniken zur magnetischen teilchendarstellung
US10667727B2 (en) * 2008-09-05 2020-06-02 Varian Medical Systems, Inc. Systems and methods for determining a state of a patient
US20100061596A1 (en) * 2008-09-05 2010-03-11 Varian Medical Systems Technologies, Inc. Video-Based Breathing Monitoring Without Fiducial Tracking
EP4085827A1 (de) 2016-07-12 2022-11-09 Magnetic Insight, Inc. Magnetpartikel-image
TWI667487B (zh) * 2016-09-29 2019-08-01 美商超精細研究股份有限公司 射頻線圈調諧方法及裝置
WO2020186185A1 (en) 2019-03-13 2020-09-17 Magnetic Insight, Inc. Magnetic particle actuation

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US3508539A (en) * 1966-12-22 1970-04-28 Jeremiah F Mahoney Combined x-ray and spirometer recording means
US3954098A (en) * 1975-01-31 1976-05-04 Dick Donald E Synchronized multiple image tomographic cardiography
US3993995A (en) * 1975-12-08 1976-11-23 Rca Corporation Respiration monitor
US4306567A (en) * 1977-12-22 1981-12-22 Krasner Jerome L Detection and monitoring device
DE2818768C2 (de) * 1978-04-28 1986-07-24 Hewlett-Packard GmbH, 7030 Böblingen Verfahren und Vorrichtung zum Messen der Frequenz bzw. der Periodendauer der Grundschwingung eines annähernd periodischen Eingangssignales
US4202215A (en) * 1978-10-26 1980-05-13 Kurt Orban Company, Inc. Sonic pulse-echo method and apparatus for determining attenuation coefficients
GB2053481B (en) * 1979-07-06 1983-04-07 Newport Instr Ltd Nmr spectrometers
JPS5752446A (en) * 1980-09-16 1982-03-27 Aloka Co Ltd Ultrasonic diagnostic apparatus
DE3372907D1 (en) * 1982-06-09 1987-09-17 Picker Int Ltd Method and apparatus for monitoring movement of a body under nmr examination

Also Published As

Publication number Publication date
EP0117725B1 (de) 1988-11-30
JPS59155239A (ja) 1984-09-04
EP0117725A2 (de) 1984-09-05
EP0117725A3 (en) 1985-11-27
US4545384A (en) 1985-10-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee