DE3671527D1 - Bilderzeugung mittels magnetischer kernresonanz durch herz- und atmungs-zyclus-ansteuerung. - Google Patents

Bilderzeugung mittels magnetischer kernresonanz durch herz- und atmungs-zyclus-ansteuerung.

Info

Publication number
DE3671527D1
DE3671527D1 DE8686904331T DE3671527T DE3671527D1 DE 3671527 D1 DE3671527 D1 DE 3671527D1 DE 8686904331 T DE8686904331 T DE 8686904331T DE 3671527 T DE3671527 T DE 3671527T DE 3671527 D1 DE3671527 D1 DE 3671527D1
Authority
DE
Germany
Prior art keywords
heart
magnetic core
image generation
cycle control
breathing cycle
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
DE8686904331T
Other languages
English (en)
Inventor
M Blakeley
A Kershaw
E Gangarosa
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 Nuclear Medicine Inc
Original Assignee
Picker International Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25070740&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3671527(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Picker International Inc filed Critical Picker International Inc
Application granted granted Critical
Publication of DE3671527D1 publication Critical patent/DE3671527D1/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
    • G01R33/44—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Physiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Power Engineering (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cardiology (AREA)
  • General Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE8686904331T 1985-08-09 1986-07-30 Bilderzeugung mittels magnetischer kernresonanz durch herz- und atmungs-zyclus-ansteuerung. Expired - Lifetime DE3671527D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/764,440 US4694837A (en) 1985-08-09 1985-08-09 Cardiac and respiratory gated magnetic resonance imaging
PCT/GB1986/000451 WO1987000922A1 (en) 1985-08-09 1986-07-30 Cardiac and respiratory gated magnetic resonance imaging

Publications (1)

Publication Number Publication Date
DE3671527D1 true DE3671527D1 (de) 1990-06-28

Family

ID=25070740

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686904331T Expired - Lifetime DE3671527D1 (de) 1985-08-09 1986-07-30 Bilderzeugung mittels magnetischer kernresonanz durch herz- und atmungs-zyclus-ansteuerung.

Country Status (5)

Country Link
US (1) US4694837A (de)
EP (1) EP0232309B1 (de)
JP (1) JPH0714390B2 (de)
DE (1) DE3671527D1 (de)
WO (1) WO1987000922A1 (de)

Families Citing this family (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5038785A (en) * 1985-08-09 1991-08-13 Picker International, Inc. Cardiac and respiratory monitor with magnetic gradient noise elimination
US4991587A (en) * 1985-08-09 1991-02-12 Picker International, Inc. Adaptive filtering of physiological signals in physiologically gated magnetic resonance imaging
IL76397A0 (en) * 1985-09-13 1986-01-31 Elscint Ltd System for decision making and implementation in imaging systems
EP0239773A1 (de) * 1986-03-05 1987-10-07 Siemens Aktiengesellschaft Kernspin-Tomographiegerät
FR2604890A1 (fr) * 1986-10-14 1988-04-15 Thomson Csf Dispositif optique de detection simultanee des mouvements du coeur et de la respiration et son utilisation a la synchronisation d'appareils d'acquisition d'images a resonance magnetique nucleaire
JPS63200745A (ja) * 1987-02-16 1988-08-19 株式会社東芝 磁気共鳴イメ−ジング装置
SE8702160L (sv) * 1987-05-25 1988-11-26 Hoek Instr Ab Stetoskop foer anvaendning vid magnetresonansdiagnostik m m
US5143078A (en) * 1987-08-04 1992-09-01 Colin Electronics Co., Ltd. Respiration rate monitor
DE3869774D1 (de) * 1988-07-22 1992-05-07 Siemens Ag Pulssequenz fuer ein kernspin-tomographiegeraet.
US4961426A (en) * 1988-08-19 1990-10-09 Siemens Medical Systems, Inc. Method for retrospectively gating NMR data
US4984574A (en) * 1988-11-23 1991-01-15 Seth Goldberg Noninvasive fetal oxygen monitor using NMR
US4901141A (en) * 1988-12-05 1990-02-13 Olympus Corporation Fiberoptic display for a video image
US4991580A (en) * 1989-03-30 1991-02-12 Invivo Research, Inc. Method of improving the quality of an electrocardiogram obtained from a patient undergoing magnetic resonance imaging
US5000182A (en) * 1989-08-11 1991-03-19 Picker International, Inc. Cardiac synchronization magnetic resonance imaging
US5251629A (en) * 1989-10-27 1993-10-12 Hitachi, Ltd. Inspection method and apparatus utilizing nuclear magnetic resonance
US5052398A (en) * 1990-06-29 1991-10-01 North American Philips Corporation QRS filter for real time heart imaging with ECG monitoring in the magnetic field of an NMR imaging system and NMR imaging apparatus employing such filter
US5273041A (en) * 1992-04-30 1993-12-28 General Electric Company Fiber optic photoplethysmograph for a magnetic resonance imaging system
US5494036A (en) 1993-11-26 1996-02-27 Medrad, Inc. Patient infusion system for use with MRI
FR2729071B1 (fr) * 1995-01-09 1997-06-20 Odam Office De Distribution D Dispositif capteur delivrant notamment un signal representatif de la respiration d'un patient
US5640960A (en) * 1995-04-18 1997-06-24 Imex Medical Systems, Inc. Hand-held, battery operated, doppler ultrasound medical diagnostic device with cordless probe
US6052614A (en) * 1997-09-12 2000-04-18 Magnetic Resonance Equipment Corp. Electrocardiograph sensor and sensor control system for use with magnetic resonance imaging machines
US6032069A (en) * 1998-05-01 2000-02-29 Uab Research Foundation Physiological triggering device for high-field magnetic-resonance instrumentation
US6117076A (en) * 1998-09-21 2000-09-12 Belmont Instruments Corporation Patient monitoring system and method
US6374667B1 (en) * 1998-10-30 2002-04-23 Volusense As Volumetric physiological measuring system and method
US7390307B2 (en) * 1999-10-28 2008-06-24 Volusense As Volumetric physiological measuring system and method
JP4334049B2 (ja) * 1999-02-26 2009-09-16 株式会社東芝 Ｍｒｉ装置
JP3454246B2 (ja) * 2000-10-30 2003-10-06 株式会社日立製作所 磁場計測装置
US7519413B1 (en) 2003-02-20 2009-04-14 S.A. Instruments, Inc. Apparatus and method for measuring motion in a strong magnetic field
US20050107681A1 (en) * 2003-07-23 2005-05-19 Griffiths David M. Wireless patient monitoring device for magnetic resonance imaging
CA2749057A1 (en) * 2004-02-20 2005-09-09 University Of Florida Research Foundation, Inc. System for delivering conformal radiation therapy while simultaneously imaging soft tissue
AU2013201172B2 (en) * 2004-02-20 2016-02-25 University Of Florida Research Foundation, Inc. System for Delivering Conformal Radiation Therapy While Simultaneously Imaging Soft Tissue
JP4647360B2 (ja) * 2004-04-05 2011-03-09 富士フイルム株式会社 差分画像作成装置、差分画像作成方法、及び、そのプログラム
US20090012387A1 (en) * 2004-05-25 2009-01-08 Hvidovre Hospital Encoding and transmission of signals as rf signals for detection using an mr apparatus
DE102004045495B4 (de) * 2004-09-20 2015-06-18 Siemens Aktiengesellschaft Verfahren und System zur Erzeugung von Abbildungen eines Organs
US7561915B1 (en) 2004-12-17 2009-07-14 Cardiac Pacemakers, Inc. MRI system having implantable device safety features
US8014867B2 (en) 2004-12-17 2011-09-06 Cardiac Pacemakers, Inc. MRI operation modes for implantable medical devices
US20070055145A1 (en) * 2005-08-23 2007-03-08 Zelnik Deborah R Methods and apparatus for nuclear tomo-cardiology scanning
US7215124B1 (en) * 2005-11-16 2007-05-08 Siemens Medical Solutions Usa, Inc. Method and apparatus for improving the quality of kinematic MR images
DE102007032530B4 (de) * 2007-07-12 2011-08-25 Siemens AG, 80333 Verfahren zur Erstellung einer medizinischen Abbildung sowie Bildgebungsvorrichtung
US8032228B2 (en) 2007-12-06 2011-10-04 Cardiac Pacemakers, Inc. Method and apparatus for disconnecting the tip electrode during MRI
US8086321B2 (en) 2007-12-06 2011-12-27 Cardiac Pacemakers, Inc. Selectively connecting the tip electrode during therapy for MRI shielding
US8311637B2 (en) 2008-02-11 2012-11-13 Cardiac Pacemakers, Inc. Magnetic core flux canceling of ferrites in MRI
US8160717B2 (en) 2008-02-19 2012-04-17 Cardiac Pacemakers, Inc. Model reference identification and cancellation of magnetically-induced voltages in a gradient magnetic field
US20100030061A1 (en) 2008-07-31 2010-02-04 Canfield Monte R Navigation system for cardiac therapies using gating
US8571661B2 (en) 2008-10-02 2013-10-29 Cardiac Pacemakers, Inc. Implantable medical device responsive to MRI induced capture threshold changes
JP5389947B2 (ja) 2009-02-19 2014-01-15 カーディアック ペースメイカーズ， インコーポレイテッド Ｍｒｉ環境において不整脈治療を提供するためのシステム
US20100268120A1 (en) 2009-04-20 2010-10-21 Morten Eriksen Coil System and Method for Obtaining Volumetric Physiological Measurements
EP2509682B1 (de) * 2009-12-08 2015-01-14 Cardiac Pacemakers, Inc. Implantierbare medizinische vorrichtung mit automatischer erkennung und kontrolle von tachykardie in mri-umgebungen
EP2596376B1 (de) * 2010-07-23 2017-05-03 Koninklijke Philips N.V. Doppeldrucksensorsignalkette zur beseitigung von wechselseitig gekoppelter mrt-interferenz
US10561861B2 (en) 2012-05-02 2020-02-18 Viewray Technologies, Inc. Videographic display of real-time medical treatment
AU2013334064A1 (en) 2012-10-26 2015-05-14 Viewray Technologies, Inc. Assessment and improvement of treatment using imaging of physiological responses to radiation therapy
US9446263B2 (en) 2013-03-15 2016-09-20 Viewray Technologies, Inc. Systems and methods for linear accelerator radiotherapy with magnetic resonance imaging
JP5881793B2 (ja) * 2014-09-24 2016-03-09 株式会社東芝 磁気共鳴映像装置
JP2017035131A (ja) 2015-08-06 2017-02-16 東芝メディカルシステムズ株式会社 Ｅｃｇ信号処理装置、ｍｒｉ装置及びｅｃｇ信号処理方法
WO2017091621A1 (en) 2015-11-24 2017-06-01 Viewray Technologies, Inc. Radiation beam collimating systems and methods
WO2017151662A1 (en) 2016-03-02 2017-09-08 Viewray Technologies, Inc. Particle therapy with magnetic resonance imaging
JP7098539B2 (ja) 2016-06-22 2022-07-11 ビューレイ・テクノロジーズ・インコーポレイテッド 磁気共鳴イメージング
CN118141398A (zh) 2016-12-13 2024-06-07 优瑞技术公司 放射治疗系统和方法
EP3363354A1 (de) * 2017-02-21 2018-08-22 Koninklijke Philips N.V. Vorrichtung und verfahren zur messung von elektroden impedanz im elektrophysiologischen messungen
CN116036499A (zh) 2017-12-06 2023-05-02 优瑞技术公司 多模态放射疗法的优化
US11209509B2 (en) 2018-05-16 2021-12-28 Viewray Technologies, Inc. Resistive electromagnet systems and methods
DE102018220351A1 (de) * 2018-11-27 2020-05-28 Siemens Healthcare Gmbh Pilotton-Kennzeichnung
CN110755076B (zh) * 2019-11-01 2023-08-11 上海联影医疗科技股份有限公司 磁共振扫描仪的图像采集方法、装置、设备和介质

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3587562A (en) * 1968-02-01 1971-06-28 Becton Dickinson Co Physiological monitoring system
AT311542B (de) * 1971-06-25 1973-11-26 Siemens Ag Vorrichtung für die Überwachung der Herz- und Atemtätigkeit eines Patienten
US3795247A (en) * 1972-10-27 1974-03-05 American Optical Corp Passive pacer refractory circuit
US3910257A (en) * 1973-04-25 1975-10-07 Nasa Medical subject monitoring systems
US3871360A (en) * 1973-07-30 1975-03-18 Brattle Instr Corp Timing biological imaging, measuring, and therapeutic timing systems
FR2273505A1 (fr) * 1974-06-07 1976-01-02 Inst Nat Sante Rech Med Appareil correlant les cycles respiratoire et cardiaque, et application a la mesure du debit cardiaque
US4079730A (en) * 1974-10-02 1978-03-21 The Board Of Trustees Of The Leland Stanford Junior University Apparatus for measuring externally of the human body magnetic susceptibility changes
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
US4070572A (en) * 1976-12-27 1978-01-24 General Electric Company Linear signal isolator and calibration circuit for electronic current transformer
JPS53113401A (en) * 1977-03-16 1978-10-03 Hitachi Ltd Light communication system
US4547892A (en) * 1977-04-01 1985-10-15 Technicare Corporation Cardiac imaging with CT scanner
US4182311A (en) * 1977-04-22 1980-01-08 Varian Associates, Inc. Method and system for cardiac computed tomography
DE2814551C2 (de) * 1978-04-04 1986-03-13 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zur Messung des Ortes, der Lage und/oder der Orts- bzw. Lageänderung eines starren Körpers im Raum
US4319186A (en) * 1978-05-05 1982-03-09 National Research Development Corporation Signal sensors
GB2027208B (en) * 1978-08-05 1982-12-15 Emi Ltd Magnetic field correction in nmr apparatus
US4387722A (en) * 1978-11-24 1983-06-14 Kearns Kenneth L Respiration monitor and x-ray triggering apparatus
US4382184A (en) * 1978-11-24 1983-05-03 Cardiac Imaging Limited Partnership Apparatus and method for simultaneously displaying relative displacements of a fluctuating biological object
DE2854774A1 (de) * 1978-12-19 1980-07-10 Battelle Institut E V Vorrichtung zur noninvasiven, lokalen in-vivo-untersuchung von koerpergewebe, organen, knochen, nerven oder von stroemendem blut auf der basis der spin-echo-technik
US4245507A (en) * 1979-09-10 1981-01-20 Samulski Thaddeus V Temperature probe
US4409550A (en) * 1981-05-15 1983-10-11 President And Fellows Of Harvard College NMR Sodium images
US4413233A (en) * 1981-07-02 1983-11-01 President And Fellows Of Harvard College Dynamic NMR measurement
US4442350A (en) * 1981-08-17 1984-04-10 The United States Of America As Represented By The Secretary Of The Navy Fiber optic sensor with enhanced immunity to random environmental perturbations
JPS58141135A (ja) * 1981-10-20 1983-08-22 富士写真フイルム株式会社 固体イメ−ジセンサを用いた内視鏡の画像伝送方式
US4506678A (en) * 1982-06-07 1985-03-26 Healthdyne, Inc. Patient monitor for providing respiration and electrocardiogram signals
EP0096487B1 (de) * 1982-06-09 1987-08-12 Picker International Limited Verfahren und Vorrichtung zur Überwachung der Bewegung eines Körpers bei der Untersuchung mit NMR
US4607223A (en) * 1982-08-13 1986-08-19 National Research Development Corporation Nuclear magnetic resonance imaging method
JPS59155239A (ja) * 1983-02-23 1984-09-04 株式会社東芝 診断用核磁気共鳴装置
US4523099A (en) * 1983-04-29 1985-06-11 Lavine Michael K Device for transmitting analog sensor data via fiber optics
DE3327731A1 (de) * 1983-08-01 1985-02-21 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur gewinnung eines ekg-signals bei einem kernspintomographen
US4564017A (en) * 1984-11-21 1986-01-14 General Electric Company Method and apparatus for respiration monitoring with an NMR scanner
US4626110A (en) * 1985-05-03 1986-12-02 Luxtron Corporation Technique for optically measuring the temperature of an ultrasonically heated object

Also Published As

Publication number Publication date
EP0232309A1 (de) 1987-08-19
WO1987000922A1 (en) 1987-02-12
JPS63501338A (ja) 1988-05-26
JPH0714390B2 (ja) 1995-02-22
EP0232309B1 (de) 1990-05-23
US4694837A (en) 1987-09-22

Similar Documents

Publication Publication Date Title
DE3671527D1 (de) Bilderzeugung mittels magnetischer kernresonanz durch herz- und atmungs-zyclus-ansteuerung.
DE68927107D1 (de) Verminderung von bewegungsartefakten bei der bilderzeugung mittels magnetischer kernresonanz
DE3484064D1 (de) Bildformungsverfahren und vorrichtung mittels nuklear-magnetischer resonanz.
DE3772605D1 (de) Bilderzeugungssystem mittels magnetischer resonanz.
DE3673860D1 (de) Lokale sonde zur anwendung bei der bilderzeugung mittels magnetischer kernresonanz.
DE3475436D1 (en) Nuclear magnetic resonance diagnostic apparatus
KR850003790A (ko) 핵자기 공명 장치
DE3751909D1 (de) Schnelles Bilderzeugungssystem mittels magnetischer Kernresonanz
DE3483990D1 (de) Bilderzeugung mittels magnetischer kernresonanz mit impulsfolgen durch kombination von selektiver anregung und gesteuerter freier praezession.
DE3676066D1 (de) Einrichtung zur erzeugung von magnetfeldern fuer die magnetische kernresonanz-tomographie.
IL70976A0 (en) Blood vessel projection imaging system using nuclear magnetic resonance
DE3570924D1 (en) Nuclear magnetic resonance tomograph
DE3789086D1 (de) Zusammengesetzte impulssequenz zur bilderzeugung mittels magnetischer kernresonanz.
GB2173001B (en) Diagnostic apparatus employing nuclear magnetic resonance
DE3677344D1 (de) Spule fuer diagnostikgeraet zur bilderzeugung mittels magnetischer kernresonanz.
DE3855944T2 (de) Kernresonanzabbildungssystem
DE3781869D1 (de) Schnelles abbildungsverfahren mittels magnetischer kernresonanz.
GB8612146D0 (en) Nuclear magnetic resonance imaging apparatus
DK144090D0 (da) Magnetisk feltgenerator til terapeutisk anvendelse
DE3663318D1 (en) Magnet for a nuclear magnetic resonance tomograph
GB2149509B (en) Controlling nuclear magnetic resonance analysis
EP0150541A3 (en) Nuclear magnetic resonance tomograph
DE68927418T2 (de) Bilderzeugungssystem mittels magnetischer Kernresonanz
GB2164155B (en) Flow imaging by means of nuclear magnetic resonance
DE3773244D1 (de) Messung von magnetfeldern mittels magnetischer kernresonanz-prinzipien.

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation