IL98926A - Bio-potential signal processor for magnetic resonance imaging - Google Patents

Bio-potential signal processor for magnetic resonance imaging

Info

Publication number
IL98926A
IL98926A IL9892691A IL9892691A IL98926A IL 98926 A IL98926 A IL 98926A IL 9892691 A IL9892691 A IL 9892691A IL 9892691 A IL9892691 A IL 9892691A IL 98926 A IL98926 A IL 98926A
Authority
IL
Israel
Prior art keywords
signal
noise
coil
bio
output
Prior art date
Application number
IL9892691A
Other languages
English (en)
Hebrew (he)
Other versions
IL98926A0 (en
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IL98926A0 publication Critical patent/IL98926A0/xx
Publication of IL98926A publication Critical patent/IL98926A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/901—Suppression of noise in electric signal

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cardiology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
IL9892691A 1990-08-06 1991-07-23 Bio-potential signal processor for magnetic resonance imaging IL98926A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56317690A 1990-08-06 1990-08-06

Publications (2)

Publication Number Publication Date
IL98926A0 IL98926A0 (en) 1992-07-15
IL98926A true IL98926A (en) 1994-11-28

Family

ID=24249411

Family Applications (1)

Application Number Title Priority Date Filing Date
IL9892691A IL98926A (en) 1990-08-06 1991-07-23 Bio-potential signal processor for magnetic resonance imaging

Country Status (5)

Country Link
US (1) US5436564A (fr)
EP (1) EP0470764A3 (fr)
JP (1) JPH0616771B2 (fr)
CA (1) CA2042271A1 (fr)
IL (1) IL98926A (fr)

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US5601088A (en) * 1995-02-17 1997-02-11 Ep Technologies, Inc. Systems and methods for filtering artifacts from composite signals
JP3681126B2 (ja) * 1995-02-17 2005-08-10 ボストン サイエンティフィック リミテッド 生物学的事象の時系列計測を行うためのシステム
US5595183A (en) * 1995-02-17 1997-01-21 Ep Technologies, Inc. Systems and methods for examining heart tissue employing multiple electrode structures and roving electrodes
US5605157A (en) * 1995-02-17 1997-02-25 Ep Technologies, Inc. Systems and methods for filtering signals derived from biological events
US5630425A (en) * 1995-02-17 1997-05-20 Ep Technologies, Inc. Systems and methods for adaptive filtering artifacts from composite signals
US5711305A (en) 1995-02-17 1998-01-27 Ep Technologies, Inc. Systems and methods for acquiring endocardially or epicardially paced electrocardiograms
US5722416A (en) * 1995-02-17 1998-03-03 Ep Technologies, Inc. Systems and methods for analyzing biopotential morphologies in heart tissue to locate potential ablation sites
DE19616390C2 (de) * 1996-04-24 2002-05-29 Siemens Ag Verfahren zur Identifikation von Spikes in MR-Signalen
US6201981B1 (en) * 1997-06-04 2001-03-13 Nihon Kohden Corporation Electrode for measuring biomedical signal and electrode support device for measuring a biomedical signal
US6073039A (en) * 1997-11-07 2000-06-06 The United States Of America As Represented By The Department Of Health And Human Services Device and method for real-time monitoring of an electrocardiogram during magnetic resonance imaging
DE19817094A1 (de) * 1998-04-17 1999-10-21 Alexander Hoffmann Verfahren und Einrichtung zum Ableiten eines Elektroenzephalogramms im Kernspintomograph
US6148229A (en) * 1998-12-07 2000-11-14 Medrad, Inc. System and method for compensating for motion artifacts in a strong magnetic field
US6852084B1 (en) 2000-04-28 2005-02-08 Peter V. Boesen Wireless physiological pressure sensor and transmitter with capability of short range radio frequency transmissions
US6470893B1 (en) * 2000-05-15 2002-10-29 Peter V. Boesen Wireless biopotential sensing device and method with capability of short-range radio frequency transmission and reception
US6862368B1 (en) * 2000-01-12 2005-03-01 Koninklijke Philips Electronics N.V. Method and apparatus for edge detection
EP1355571A2 (fr) * 2000-08-15 2003-10-29 The Regents Of The University Of California Procede et appareil de reduction de la contamination d'un signal electrique
US6675036B2 (en) 2001-07-18 2004-01-06 Ge Medical Systems, Inc. Diagnostic device including a method and apparatus for bio-potential noise cancellation utilizing the patient's respiratory signal
US6657597B2 (en) * 2001-08-06 2003-12-02 Halliburton Energy Services, Inc. Directional signal and noise sensors for borehole electromagnetic telemetry system
US6781521B1 (en) * 2001-08-06 2004-08-24 Halliburton Energy Services, Inc. Filters for canceling multiple noise sources in borehole electromagnetic telemetry system
US7039455B1 (en) * 2001-10-09 2006-05-02 Medrad, Inc. Apparatus and method for removing magnetic resonance imaging-induced noise from ECG signals
JP2006166929A (ja) * 2002-05-29 2006-06-29 Kimitaka Anami 脳波とｆＭＲＩとの同時連続測定システム、それに用いるクロック・デバイダ、このクロック・デバイダを備えた脳波測定装置及びｆＭＲＩ装置
ATE381282T1 (de) * 2002-11-11 2008-01-15 Schiller Ag Verfahren und vorrichtung zum erfassen und bearbeiten eines ekg-signals
EP1417927A1 (fr) * 2002-11-11 2004-05-12 Schiller AG Méthode et dispositif pour la détection et transmission de signaux électrophysiologiques pour usage dans un système d'IRM
EP1424637A1 (fr) * 2002-11-29 2004-06-02 Instrumentarium Corporation Procédé d'élimination d'artefacts dans un signal électrique
US8161438B2 (en) 2003-10-21 2012-04-17 Mentor Graphics Corporation Determining mutual inductance between intentional inductors
US7496871B2 (en) * 2003-10-21 2009-02-24 Roberto Suaya Mutual inductance extraction using dipole approximations
JP4612338B2 (ja) * 2004-05-11 2011-01-12 株式会社東芝 磁気共鳴イメージング装置
US7693566B2 (en) * 2004-10-18 2010-04-06 Compumedics Limited Method and apparatus for buffering electrophysiological signals during an MRI procedure
US8294588B2 (en) * 2006-05-12 2012-10-23 Koninklijke Philips Electronics N.V. Battery system for MRI compatible wireless patient monitor
US8626266B1 (en) 2006-06-01 2014-01-07 Perinatronics Medical Systems, Inc. ECG triggered heart and arterial magnetic resonance imaging
EP1872715B1 (fr) 2006-06-30 2009-05-13 General Electric Company Méthode et système multicanal pour traitement de biosignaux
US8108039B2 (en) * 2007-07-13 2012-01-31 Neuro Wave Systems Inc. Method and system for acquiring biosignals in the presence of HF interference
WO2009114483A1 (fr) 2008-03-08 2009-09-17 Mentor Graphics Corporation Extraction d'impédance à haute fréquence sur des interconnexions à très grande échelle d'intégration et des inducteurs intentionnels en présence d'un substrat conducteur à couches multiples
US7952425B2 (en) * 2008-09-11 2011-05-31 Siemens Medical Solutions Usa, Inc. Adaptive filtering system for patient signal monitoring
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DE102009038059B4 (de) * 2009-08-19 2015-05-13 Siemens Aktiengesellschaft Verfahren zur Korrektur eines Rohsignals im Hinblick auf ein durch Gradientenspulen hervorgerufenes Störsignal in einem Magnetresonanzgerät bei der Bestimmung eines Zeitpunkts im Herzzyklus eines Patienten und Magnetresonanzgerät
US8903482B2 (en) * 2009-09-14 2014-12-02 Koninklijke Philips N.V. Apparatus and method for non-invasive intracardiac electrocardiography using MPI
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JP6004924B2 (ja) * 2012-11-30 2016-10-12 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 磁気共鳴装置およびプログラム
DE102013215549B4 (de) * 2013-08-07 2017-08-31 Siemens Healthcare Gmbh Verfahren zur Steuerung eines Magnetresonanzgeräts
US20150223712A1 (en) * 2014-02-07 2015-08-13 Biosense Webster (Israel) Ltd. Analog cancellation of mri sequencing noise appearing in an ecg signal
US9320447B2 (en) * 2014-02-07 2016-04-26 Biosense Webster (Israel) Ltd. Dynamic cancellation of MRI sequencing noise appearing in an ECG signal
WO2016007816A1 (fr) * 2014-07-11 2016-01-14 Brigham And Women's Hospital, Inc. Systèmes et procédés pour estimer et supprimer des tensions induites par champs de gradients d'imagerie par résonance magnétique dans des signaux d'électrophysiologie
CN104323769B (zh) * 2014-09-19 2016-09-07 中国人民解放军第三军医大学 一种抑制心肺复苏引起的心电干扰的方法、系统及体外除颤仪
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
JP6639830B2 (ja) * 2015-08-10 2020-02-05 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置
CN110123315B (zh) * 2019-05-10 2022-02-22 深圳市德力凯医疗设备股份有限公司 一种抗电刀干扰的脑电信号检测系统及装置
CN111067523A (zh) * 2019-12-25 2020-04-28 东软医疗系统股份有限公司 门控装置及其控制方法、装置、医疗设备系统
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Also Published As

Publication number Publication date
CA2042271A1 (fr) 1992-02-07
US5436564A (en) 1995-07-25
JPH04244136A (ja) 1992-09-01
EP0470764A2 (fr) 1992-02-12
JPH0616771B2 (ja) 1994-03-09
EP0470764A3 (en) 1992-08-05
IL98926A0 (en) 1992-07-15

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