BR0210833A - Sistema e método para a medição de impedância bioelétrica na presença de interferência - Google Patents

Sistema e método para a medição de impedância bioelétrica na presença de interferência

Info

Publication number
BR0210833A
BR0210833A BR0210833-0A BR0210833A BR0210833A BR 0210833 A BR0210833 A BR 0210833A BR 0210833 A BR0210833 A BR 0210833A BR 0210833 A BR0210833 A BR 0210833A
Authority
BR
Brazil
Prior art keywords
interference
bioelectrical impedance
impedance measurement
noise
measuring
Prior art date
Application number
BR0210833-0A
Other languages
English (en)
Inventor
John R Shambroom
Charles P 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
Publication of BR0210833A publication Critical patent/BR0210833A/pt

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]
    • 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
    • A61B5/72—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)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Psychiatry (AREA)
  • Psychology (AREA)
  • Dermatology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

"SISTEMA E MéTODO PARA A MEDIçãO DE IMPEDâNCIA BIOELéTRICA NA PRESENçA DE INTERFERêNCIA". A presente invenção refere-se a um método para a medição de impedância bioelétrica em tempo real, na presença de interferência e ruído que é descrito. Uma pequena corrente elétrica é injetada em um sistema de eletrodos de biopotencial, e então a medição é testada quanto à contaminação por interferência elétrica ou outras fontes de ruído.
BR0210833-0A 2001-07-06 2002-07-03 Sistema e método para a medição de impedância bioelétrica na presença de interferência BR0210833A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US30353101P 2001-07-06 2001-07-06
PCT/US2002/021273 WO2003003921A1 (en) 2001-07-06 2002-07-03 System and method for measuring bioelectric impedance in the presence of interference

Publications (1)

Publication Number Publication Date
BR0210833A true BR0210833A (pt) 2004-06-22

Family

ID=23172538

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0210833-0A BR0210833A (pt) 2001-07-06 2002-07-03 Sistema e método para a medição de impedância bioelétrica na presença de interferência

Country Status (11)

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

Families Citing this family (51)

* 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
US7986996B2 (en) * 2004-10-23 2011-07-26 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
US8311622B2 (en) * 2005-12-01 2012-11-13 Neba Health LLC Systems and methods for analyzing and assessing depression and other mood disorders using electroencephalographic (EEG) measurements
US20070135727A1 (en) * 2005-12-12 2007-06-14 Juha Virtanen Detection of artifacts in bioelectric signals
US7684856B2 (en) * 2005-12-12 2010-03-23 General Electric Company Detection of artifacts in bioelectric signals
US7667340B2 (en) * 2005-12-13 2010-02-23 Whlk, Llc Power from a non-animal organism
US7466032B2 (en) * 2005-12-13 2008-12-16 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
US9788750B2 (en) * 2007-04-30 2017-10-17 Medtronic, Inc. Seizure prediction
US8594779B2 (en) * 2007-04-30 2013-11-26 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
US8509884B2 (en) * 2009-08-28 2013-08-13 Neba Health LLC Systems and methods to identify a subgroup of ADHD at higher risk for complicating conditions
EP2298164B1 (en) * 2009-09-14 2013-05-15 Imec Cardiac monitoring circuit with adaptive sampling
US8755868B2 (en) * 2009-09-14 2014-06-17 Imec Adaptive sampling
EP2294979B1 (en) 2009-09-14 2013-12-18 Imec Method and electronic medical device for simultaneously measuring an impedance and a biopotential signal
EP2563215B1 (en) * 2010-04-26 2016-03-02 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
FI20106337A0 (fi) * 2010-12-17 2010-12-17 Polar Electro Oy Häiriönvaimennuspiiri biometrisiä mittauksia varten
FI20106338A0 (fi) 2010-12-17 2010-12-17 Polar Electro Oy Häiriön vaimennus biometrisissä mittauksissa
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
WO2014173558A1 (en) 2013-04-24 2014-10-30 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
MX357089B (es) 2013-10-23 2018-06-26 Brain Sentinel Inc Metodo y aparato para detectar convulsiones que incluye monitoreo de electrodos desprendidos.
EP2868264A3 (en) * 2013-10-31 2015-06-17 Imec System and method for acquisition of biopotential signals with electrode-tissue impedance measurement.
US10321838B2 (en) 2014-01-07 2019-06-18 Koninklijke Philips N.V. Active low impedance electrode
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 (en) * 2017-02-21 2018-08-22 Koninklijke Philips N.V. An apparatus and method for measuring electrode impedance during electrophysiological measurements
US20200187823A1 (en) * 2018-12-14 2020-06-18 Rethink Medical, Inc. Systems and methods for calibrating dry electrode bioelectrical impedance sensing
KR102873506B1 (ko) * 2024-03-19 2025-10-22 한국전자통신연구원 전자기기의 노이즈 소스 임피던스 추출 장치 및 방법

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
AU1328595A (en) * 1994-06-20 1996-01-15 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 Method for disclosing a physiological indication and a non-invasive diagnostic physiological monitoring system for use therewith
DE69923183T2 (de) * 1998-07-06 2006-02-23 Pastor, Aleksander Gerät zur feststellung von hautimpedanzveränderungen
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
EP1411830A1 (en) 2004-04-28
WO2003003921A1 (en) 2003-01-16
JP4415215B2 (ja) 2010-02-17
ATE378004T1 (de) 2007-11-15
JP2004531353A (ja) 2004-10-14
US7161362B2 (en) 2007-01-09
MXPA04000009A (es) 2004-05-21
ES2295399T3 (es) 2008-04-16
DE60223548D1 (de) 2007-12-27
AU2002327200B2 (en) 2008-08-14
US20030006782A1 (en) 2003-01-09
US20050203437A1 (en) 2005-09-15
US6882166B2 (en) 2005-04-19
DE60223548T2 (de) 2008-10-23
EP1411830B1 (en) 2007-11-14
CA2452367C (en) 2008-10-28
WO2003003921A9 (en) 2004-12-16
CA2452367A1 (en) 2003-01-16

Similar Documents

Publication Publication Date Title
DE60223548D1 (de) System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen
BRPI0414345A (pt) método e aparelho para medição de parámetros relacionados com o coração
IL140719A0 (en) Apparatus for evaluation of skin impedance variations
DE60204336D1 (de) Atemfunktionsanalyse mittels kapnographie
BR9612336A (pt) Instrumento e processo de medição para medir a dor existente em uma parte arbitrária do corpo de um paciente, ou a náusea de um paciente.
ATE497722T1 (de) Vorrichtung und verfahren zur überwachung von körperflüssigkeit und elektrolytenstörungen
BRPI0611515B8 (pt) sonda para medir a impedância de tecido corporal humano ou animal
BR0115054A (pt) Métodos e dispositivos para analisar produtos agrìcolas
DE69938662D1 (de) Spurendetektion von analyten mit hilfe artifizieller olfaktometrie
DE50202018D1 (de) Intrakorporale sonde zur analyse oder diagnose und/oder therapie
EP1431758A4 (en) MEASURING INSTRUMENT AND CONCENTRATION MEASURING APPARATUS
DE60207127D1 (de) Vorrichtung zum Messen einer Mehrzahl von elektrischen Signalen vom Körper eines Patienten
Madeleine et al. Sensory manifestations in experimental and work‐related chronic neck‐shoulder pain
DE69942700D1 (de) Vorrichtung und verfahren zum positionieren eines elektrokardiogrammfühlers
DE69623623D1 (de) Vorrichtung und verfahren zur analyse der zusammensetzung von körpersubstanz mittels einer elektroden-anordung zur messung der bioelektrischen impedanz
DE60210939D1 (de) Gerät zur bestimmung des hämodynamischen zustands
BR9707666A (pt) Aparelhos e processos para caracterizar a posição e a orientação de uma pessoa em um espaço definido e o movimento de uma massa dentro de um espaço definido.
ATE379989T1 (de) Atemtest analysevorrichtung
BRPI0309211A2 (pt) procedimento para detecção e localização de vestígios de sangue e composição destinada à detecção de vestígios de sangue.
BR0014626A (pt) Análise de leptina
AU2579995A (en) Alpha b crystallin for use in diagnosis and therapy of auto-immune diseases in particular multiple sclerosis
BRPI0407213A (pt) Método de emprego da elevação de marinobufagenina na determinação da presença de pré-eclampsia e aparelhos relacionados
WO2001069204A3 (en) Methods of investigating corrosion
Goldstein et al. Failure of benzoyl peroxide to decrease sebaceous gland secretion in acne
SUH et al. Quality of life and psychopathology in patients with schizophrenia: subjective and objective assessment

Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ARTIGO 8O COMBINADO COM ARTIGO 13 DA LPI.

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.