DK3330724T3 - Fremgangsmåde og apparat til simultan impedansprøvning - Google Patents

Fremgangsmåde og apparat til simultan impedansprøvning Download PDF

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Publication number
DK3330724T3
DK3330724T3 DK17199360.3T DK17199360T DK3330724T3 DK 3330724 T3 DK3330724 T3 DK 3330724T3 DK 17199360 T DK17199360 T DK 17199360T DK 3330724 T3 DK3330724 T3 DK 3330724T3
Authority
DK
Denmark
Prior art keywords
impedance testing
simultaneous impedance
simultaneous
testing
impedance
Prior art date
Application number
DK17199360.3T
Other languages
English (en)
Inventor
Yongshou Xia
William Kolasa
Eric Garz
Original Assignee
Natus Medical Incorporated
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 Natus Medical Incorporated filed Critical Natus Medical Incorporated
Application granted granted Critical
Publication of DK3330724T3 publication Critical patent/DK3330724T3/da

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response
    • 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
    • A61B5/30—Input circuits therefor
    • A61B5/304—Switching circuits
    • 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
    • A61B5/7246—Details of waveform analysis using correlation, e.g. template matching or determination of similarity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/369—Electroencephalography [EEG]
    • 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
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/389—Electromyography [EMG]

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Amplifiers (AREA)
DK17199360.3T 2014-10-22 2015-07-25 Fremgangsmåde og apparat til simultan impedansprøvning DK3330724T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/521,382 US9594104B2 (en) 2014-10-22 2014-10-22 Simultaneous impedance testing method and apparatus
EP15851703.7A EP3209197B1 (en) 2014-10-22 2015-07-25 Simultaneous impedance testing method and apparatus

Publications (1)

Publication Number Publication Date
DK3330724T3 true DK3330724T3 (da) 2023-01-23

Family

ID=55761292

Family Applications (2)

Application Number Title Priority Date Filing Date
DK17199360.3T DK3330724T3 (da) 2014-10-22 2015-07-25 Fremgangsmåde og apparat til simultan impedansprøvning
DK15851703.7T DK3209197T3 (da) 2014-10-22 2015-07-25 Fremgangsmåde og apparat til samtidig impedanstest

Family Applications After (1)

Application Number Title Priority Date Filing Date
DK15851703.7T DK3209197T3 (da) 2014-10-22 2015-07-25 Fremgangsmåde og apparat til samtidig impedanstest

Country Status (5)

Country Link
US (1) US9594104B2 (da)
EP (2) EP3330724B1 (da)
CN (1) CN106572800B (da)
DK (2) DK3330724T3 (da)
WO (1) WO2016064456A1 (da)

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US10799161B2 (en) * 2016-04-04 2020-10-13 Technische Universität Berlin Biosignal acquisition device and system, method for acquisition of biosignals
EP3721242A1 (en) * 2017-12-04 2020-10-14 Aerojet Rocketdyne, Inc. Load impedance tester and measurement method
US10874318B2 (en) * 2018-03-06 2020-12-29 Cardioinsight Technologies, Inc. Channel integrity detection and reconstruction of electrophysiological signals
CN110811618B (zh) * 2019-11-24 2023-09-12 西北机器有限公司 一种电阻抗断层成像数据采集系统及方法
CN110974210B (zh) * 2019-12-09 2022-05-20 武汉联影智融医疗科技有限公司 生理信号采集通路阻抗校正方法及装置
CN113504438B (zh) * 2021-06-08 2023-11-28 漳州科华电气技术有限公司 用于列头柜绝缘阻抗检测的方法、装置及列头柜
WO2024047076A1 (en) * 2022-08-30 2024-03-07 Kite Medical Limited System and method for measuring common-mode signal

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SE9601387D0 (sv) * 1996-04-12 1996-04-12 Siemens Elema Ab Anordning för övervakning av för upptagning av fysiologiska mätsignaler avsedda mätelektroder samt deras tilledningar
DE19755418A1 (de) 1997-12-12 1999-06-24 Fraunhofer Ges Forschung Sensorelement und Vorrichtung zur Messung komplexer Impedanzen sowie Verwendung der Vorrichtung
TW436276B (en) 1999-06-30 2001-05-28 Ind Tech Res Inst Device for detecting leads-off condition in a multi-electrode medical diagnosis system and method thereof
US6525522B1 (en) 2001-06-07 2003-02-25 Tektronix, Inc. System for determining the phase and magnitude of an incident signal relative to a cyclical reference signal
US6625487B2 (en) 2001-07-17 2003-09-23 Koninklijke Philips Electronics N.V. Bioelectrical impedance ECG measurement and defibrillator implementing same
AU2004215917B2 (en) 2003-02-26 2008-01-10 Compumedics Usa, Inc. Method and apparatus for continuous electrode impedance monitoring
JP3833199B2 (ja) * 2003-07-24 2006-10-11 沖電気工業株式会社 相補信号発生回路
JP2005080720A (ja) 2003-09-05 2005-03-31 Tanita Corp 生体電気インピーダンス測定装置
US8068905B2 (en) 2004-02-26 2011-11-29 Compumedics Limited Method and apparatus for continuous electrode impedance monitoring
US8150643B1 (en) 2004-12-21 2012-04-03 Battelle Energy Alliance, Llc Method of detecting system function by measuring frequency response
US7340294B2 (en) * 2005-08-11 2008-03-04 The General Electric Company Impedance measurement apparatus for assessment of biomedical electrode interface quality
GB2433326B (en) 2005-12-16 2009-10-28 Orrcam Ltd Measuring electrical impedance at various frequencies
WO2007121756A2 (en) 2006-04-24 2007-11-01 Oü Eliko Tehnoloogia Arenduskeskus Method and device for multichannel multifrequency analysis of an object
WO2008063195A1 (en) 2006-10-12 2008-05-29 St. Jude Medical, Atrial Fibrillation Division, Inc. Assessment of electrode coupling for tissue ablation
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FR2908973A1 (fr) 2006-11-24 2008-05-30 Yves Faisandier Dispositif d'enregistrement de signaux electriques physiologiques associant les donnees et les valeurs d'impedance des lignes d'entree dans le flux enregistre
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Also Published As

Publication number Publication date
US9594104B2 (en) 2017-03-14
EP3330724A1 (en) 2018-06-06
CN106572800B (zh) 2020-07-14
EP3209197A1 (en) 2017-08-30
CN106572800A (zh) 2017-04-19
EP3209197A4 (en) 2018-06-13
DK3209197T3 (da) 2022-03-21
EP3209197B1 (en) 2022-01-26
US20160116516A1 (en) 2016-04-28
WO2016064456A1 (en) 2016-04-28
EP3330724B1 (en) 2022-11-16

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