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ATE378004T1 - System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen - Google Patents

System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen

Info

Publication number
ATE378004T1
ATE378004T1 AT02763228T AT02763228T ATE378004T1 AT E378004 T1 ATE378004 T1 AT E378004T1 AT 02763228 T AT02763228 T AT 02763228T AT 02763228 T AT02763228 T AT 02763228T AT E378004 T1 ATE378004 T1 AT E378004T1
Authority
AT
Austria
Prior art keywords
disturbances
measuring bioelectrical
bioelectrical resistance
interference
measuring
Prior art date
Application number
AT02763228T
Other languages
English (en)
Inventor
John Shambroom
Charles Smith
Original Assignee
Aspect Medical Systems 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
Application filed by Aspect Medical Systems Inc filed Critical Aspect Medical Systems Inc
Application granted granted Critical
Publication of ATE378004T1 publication Critical patent/ATE378004T1/de

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
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531—Measuring skin impedance
    • 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
    • A61B5/369—Electroencephalography [EEG]
    • A61B5/372—Analysis of electroencephalograms
    • 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
    • A61B5/276—Protection against electrode failure
    • 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
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Dermatology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT02763228T 2001-07-06 2002-07-03 System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen ATE378004T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30353101P 2001-07-06 2001-07-06

Publications (1)

Publication Number Publication Date
ATE378004T1 true ATE378004T1 (de) 2007-11-15

Family

ID=23172538

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02763228T ATE378004T1 (de) 2001-07-06 2002-07-03 System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen

Country Status (11)

Country Link
US (2) US6882166B2 (de)
EP (1) EP1411830B1 (de)
JP (1) JP4415215B2 (de)
AT (1) ATE378004T1 (de)
AU (1) AU2002327200B2 (de)
BR (1) BR0210833A (de)
CA (1) CA2452367C (de)
DE (1) DE60223548T2 (de)
ES (1) ES2295399T3 (de)
MX (1) MXPA04000009A (de)
WO (1) WO2003003921A1 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2208067B1 (es) * 2002-04-09 2005-12-16 Universidad De Granada Verificador de la colocacion de electrodos para electroencefalografia por metodos resistivos.
US7212865B2 (en) * 2004-05-25 2007-05-01 Philip Cory Nerve stimulator and method
WO2006047449A2 (en) * 2004-10-23 2006-05-04 Bell John O Passive monitoring of bioelectical signals and active electrical anesthesia stimulation
JP2006198334A (ja) * 2005-01-24 2006-08-03 Tanita Corp 生体電気インピーダンス測定装置及び体組成測定装置
EP1959827A2 (de) * 2005-12-01 2008-08-27 Lexicor medical Technology, Inc. Systeme und verfahren zur analyse und beurteilung von depression und anderen stimmungsstörungen mit elektroenzephalo-grafischen (eeg) messungen
US7684856B2 (en) * 2005-12-12 2010-03-23 General Electric Company Detection of artifacts in bioelectric signals
US20070135727A1 (en) * 2005-12-12 2007-06-14 Juha Virtanen Detection of artifacts in bioelectric signals
US7466032B2 (en) * 2005-12-13 2008-12-16 Whlk, Llc Power from a non-animal organism
US7667340B2 (en) * 2005-12-13 2010-02-23 Whlk, Llc Power from a non-animal organism
US7260481B1 (en) * 2006-03-17 2007-08-21 Tanita Corporation Vector detecting device and living-body complex impedance measuring apparatus having the vector detecting device
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
DE102007001709A1 (de) * 2007-01-11 2008-05-15 Dräger Medical AG & Co. KG Verfahren und Messgerät zur Bestimmung der Atemfrequenz
FR2912893B1 (fr) 2007-02-23 2009-12-11 Philippe Brunswick Systeme d'analyse electrophysiologique
WO2008133626A1 (en) * 2007-04-30 2008-11-06 Medtronic, Inc. Seizure prediction
US8594779B2 (en) * 2007-04-30 2013-11-26 Medtronic, Inc. Seizure prediction
US9788750B2 (en) * 2007-04-30 2017-10-17 Medtronic, Inc. Seizure prediction
WO2009023488A1 (en) * 2007-08-10 2009-02-19 Consolidated Research, Inc. Apparatus and method for high-speed determination of bioelectric electrode impedances
FI20085693A0 (fi) * 2008-07-03 2008-07-03 Polar Electro Oy Biosignaalin prosessointi
US8076580B2 (en) * 2009-06-08 2011-12-13 CareFusion 209, Inc. Cable for enhancing biopotential measurements and method of assembling the same
WO2011025953A1 (en) * 2009-08-28 2011-03-03 Lexicor Medical Technology, Llc Systems and methods to identify a subgroup of adhd at higher risk for complicating conditions
US8862210B2 (en) * 2009-09-14 2014-10-14 Imec Analogue signal processors
US8755868B2 (en) * 2009-09-14 2014-06-17 Imec Adaptive sampling
EP2294979B1 (de) 2009-09-14 2013-12-18 Imec Verfahren und elektronisches medizinisches Gerät für simultane Messung sowie Impedanz und Biopotenzialsignal
WO2011134489A1 (en) * 2010-04-26 2011-11-03 Scibase Ab Method and device for quality assessment of an electrical impedance measurement on tissue
US9980662B2 (en) 2010-05-25 2018-05-29 Neurowave Systems Inc. Method and system for electrode impedance measurement
FI20106338A0 (fi) 2010-12-17 2010-12-17 Polar Electro Oy Häiriön vaimennus biometrisissä mittauksissa
FI20106337A0 (fi) 2010-12-17 2010-12-17 Polar Electro Oy Häiriönvaimennuspiiri biometrisiä mittauksia varten
US8934954B2 (en) 2011-08-23 2015-01-13 Impeto Medical Assessment of sudomor function for peripheral diabetic neuropathy evaluation
FR2982758B1 (fr) 2011-11-21 2013-11-15 Impeto Medical Procede d'analyse physiologique de fiabilite accrue
FR2994821B1 (fr) 2012-08-28 2014-08-29 Impeto Medical Systeme d'analyse electrophysiologique ameliore
RU2522949C1 (ru) * 2012-12-17 2014-07-20 Общество С Ограниченной Ответственностью "Хилби" Устройство для измерения электрических параметров участка тела человека
CN103054578B (zh) * 2013-01-24 2015-04-01 四川大学 经络穴位研究测试仪
US9113805B2 (en) 2013-03-04 2015-08-25 Mortara Instrument, Inc. Impedance measurement system
CN103142225B (zh) * 2013-03-27 2014-07-02 秦皇岛市康泰医学系统有限公司 对电极与头皮接触状态进行判断的脑电图仪及其判断方法
US9849241B2 (en) 2013-04-24 2017-12-26 Fresenius Kabi Deutschland Gmbh Method of operating a control device for controlling an infusion device
KR102255204B1 (ko) 2013-08-28 2021-05-24 삼성전자주식회사 재구성 가능한 측정 장치 및 그 장치를 제어하는 방법
US9456763B2 (en) * 2013-09-11 2016-10-04 Medtronic, Inc. Apparatus and method for simultaneous capture of biopotential and tissue impedance signals
US10342451B2 (en) 2013-10-23 2019-07-09 Brain Sentinel, Inc. Method and apparatus for detecting seizures including loose electrode monitoring
EP2868264A3 (de) * 2013-10-31 2015-06-17 Imec System und Verfahren zum Erfassen von Biopotentialsignalen mit Elektroden-Gewebeimpedanzmessung
EP3091898B1 (de) * 2014-01-07 2018-10-03 Koninklijke Philips N.V. Aktive elektrode mit niedriger impedanz
KR101987408B1 (ko) 2014-01-21 2019-06-11 삼성전자주식회사 생체 임피던스 측정 장치 및 방법
KR102265066B1 (ko) 2014-07-17 2021-06-15 삼성전자주식회사 생체 임피던스 측정 방법 및 장치
FR3028744A1 (fr) 2014-11-25 2016-05-27 Impeto Medical Dispositif de releve de donnees electrophysiologiques de fiabilite accrue
CN104523261B (zh) * 2015-01-16 2017-05-31 南京大学 生物电检测中前端配置方案的一种测评方法
US20170243628A1 (en) * 2016-02-22 2017-08-24 Mediatek Inc. Termination topology of memory system and associated memory module and control method
US11224354B2 (en) * 2016-08-08 2022-01-18 Analog Devices International Unlimited Company Systems and methods of monitoring electrodermal activity (EDA) using an AC signal and discrete fourier transform (DFT) analysis
US10120005B2 (en) * 2016-09-07 2018-11-06 Silicon Laboratories Inc. Synchronous detection circuit and method for determining a bio-impedance of a biological tissue
US10101371B2 (en) * 2016-09-07 2018-10-16 Silicon Laboratories Inc. Synchronous detection circuit and method for extracting magnitude and phase from a waveform
EP3363354A1 (de) * 2017-02-21 2018-08-22 Koninklijke Philips N.V. Vorrichtung und verfahren zur messung von elektroden impedanz im elektrophysiologischen messungen
JP7440515B2 (ja) * 2018-12-14 2024-02-28 テルモ株式会社 乾式電極生体電気インピーダンス検知を校正するためのシステム及び方法

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4424816A (en) 1981-04-29 1984-01-10 Neurologics, Inc. Neurological monitoring device test circuitry
CN1024161C (zh) 1987-09-05 1994-04-13 哈尔滨工业大学 检测和处理阻抗血流图的方法及装置
US4814934A (en) * 1987-12-24 1989-03-21 Sundstrand Corp. Voltage fault detector
US4926880A (en) * 1988-11-08 1990-05-22 Microcurrents Method for relieving sinus and nasal congestion utilizing microcurrents
US5201808A (en) * 1992-02-10 1993-04-13 Telectronics Pacing Systems, Inc. Minute volume rate-responsive pacemaker employing impedance sensing on a unipolar lead
IL102300A (en) * 1992-06-24 1996-07-23 N I Medical Ltd Non-invasive system for determining of the main cardiorespiratory parameters of the human body
US5342357A (en) * 1992-11-13 1994-08-30 American Cardiac Ablation Co., Inc. Fluid cooled electrosurgical cauterization system
US5404877A (en) * 1993-06-04 1995-04-11 Telectronics Pacing Systems, Inc. Leadless implantable sensor assembly and a cardiac emergency warning alarm
US5817093A (en) * 1993-07-22 1998-10-06 Ethicon Endo-Surgery, Inc. Impedance feedback monitor with query electrode for electrosurgical instrument
WO1995035060A1 (en) * 1994-06-20 1995-12-28 Auckland Uniservices Limited Brain damage monitor
US5540684A (en) * 1994-07-28 1996-07-30 Hassler, Jr.; William L. Method and apparatus for electrosurgically treating tissue
US6560480B1 (en) * 1994-10-24 2003-05-06 Transscan Medical Ltd. Localization of anomalies in tissue and guidance of invasive tools based on impedance imaging
US6409722B1 (en) * 1998-07-07 2002-06-25 Medtronic, Inc. Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue
US6059780A (en) * 1995-08-15 2000-05-09 Rita Medical Systems, Inc. Multiple antenna ablation apparatus and method with cooling element
DE19601013A1 (de) * 1996-01-13 1997-07-17 Bosch Gmbh Robert Verfahren und Anordnung zur Frequenzmodulation eines hochfrequenten Signals
US5782774A (en) * 1996-04-17 1998-07-21 Imagyn Medical Technologies California, Inc. Apparatus and method of bioelectrical impedance analysis of blood flow
US5808895A (en) * 1996-05-31 1998-09-15 Aerometrics, Inc. Method and apparatus for low signal to noise ratio instantaneous phase measurement
JP3636826B2 (ja) 1996-07-01 2005-04-06 積水化学工業株式会社 生体電気インピーダンス測定装置
US6047208A (en) * 1997-08-27 2000-04-04 Becton, Dickinson And Company Iontophoretic controller
US5963159A (en) * 1997-12-05 1999-10-05 Advanced Micro Devices Arrangement and method for controlling gain of analog-to-digital converters
IL124964A (en) * 1998-06-17 2002-02-10 Nimeda Ltd A method for detecting physiological signs and a non-invasive diagnostic physiological monitoring system for the use of this method
KR100584114B1 (ko) * 1998-07-06 2006-05-30 파스토르 알렉산더 피부 임피던스 변량 측정 장치
US6366813B1 (en) * 1998-08-05 2002-04-02 Dilorenzo Daniel J. Apparatus and method for closed-loop intracranical stimulation for optimal control of neurological disease
US6203541B1 (en) * 1999-04-23 2001-03-20 Sherwood Services Ag Automatic activation of electrosurgical generator bipolar output
US6434707B1 (en) * 1999-06-07 2002-08-13 Motorola, Inc. Low phase jitter clock signal generation circuit
AUPQ113799A0 (en) * 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
JP2001070273A (ja) * 1999-09-03 2001-03-21 Tanita Corp 生体電気インピーダンス測定方法および身体組成測定装置
JP3705574B2 (ja) * 1999-09-30 2005-10-12 株式会社タニタ 生体電気インピーダンス測定装置
US6622035B1 (en) * 2000-01-21 2003-09-16 Instrumentarium Corp. Electrode for measurement of weak bioelectrical signals
US6733516B2 (en) * 2001-01-17 2004-05-11 Scimed Life Systems, Inc. Method and apparatus for limiting revascularization to viable tissue
US6682527B2 (en) * 2001-03-13 2004-01-27 Perfect Surgical Techniques, Inc. Method and system for heating tissue with a bipolar instrument

Also Published As

Publication number Publication date
US20050203437A1 (en) 2005-09-15
AU2002327200B2 (en) 2008-08-14
US7161362B2 (en) 2007-01-09
EP1411830A1 (de) 2004-04-28
CA2452367A1 (en) 2003-01-16
ES2295399T3 (es) 2008-04-16
BR0210833A (pt) 2004-06-22
EP1411830B1 (de) 2007-11-14
US20030006782A1 (en) 2003-01-09
WO2003003921A1 (en) 2003-01-16
JP2004531353A (ja) 2004-10-14
DE60223548T2 (de) 2008-10-23
JP4415215B2 (ja) 2010-02-17
US6882166B2 (en) 2005-04-19
DE60223548D1 (de) 2007-12-27
CA2452367C (en) 2008-10-28
MXPA04000009A (es) 2004-05-21
WO2003003921A9 (en) 2004-12-16

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