DE69630952D1 - Vorrichtung zur detektion von dc biopotentialen - Google Patents

Vorrichtung zur detektion von dc biopotentialen

Info

Publication number
DE69630952D1
DE69630952D1 DE69630952T DE69630952T DE69630952D1 DE 69630952 D1 DE69630952 D1 DE 69630952D1 DE 69630952 T DE69630952 T DE 69630952T DE 69630952 T DE69630952 T DE 69630952T DE 69630952 D1 DE69630952 D1 DE 69630952D1
Authority
DE
Germany
Prior art keywords
test
biopotential
digital
analog
signals
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 - Fee Related
Application number
DE69630952T
Other languages
English (en)
Other versions
DE69630952T2 (de
Inventor
L Faupel
Leonard Gordon
D Stephens
D Nathanson
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.)
Biofield Corp
Original Assignee
Biofield Corp
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 Biofield Corp filed Critical Biofield Corp
Publication of DE69630952D1 publication Critical patent/DE69630952D1/de
Application granted granted Critical
Publication of DE69630952T2 publication Critical patent/DE69630952T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/2415—Measuring direct current [DC] or slowly varying biopotentials
    • 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 
    • 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
    • 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]
    • A61B5/282—Holders for multiple electrodes
    • 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
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
    • 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
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Artificial Intelligence (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Dermatology (AREA)
  • Physiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Fuzzy Systems (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE69630952T 1995-04-26 1996-04-25 Vorrichtung zur detektion von dc biopotentialen Expired - Fee Related DE69630952T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/429,138 US5678547A (en) 1988-12-22 1995-04-26 Method and apparatus for screening or sensing bodily conditions using DC biopotentials
PCT/US1996/005331 WO1996033651A1 (en) 1995-04-26 1996-04-25 Apparatus for sensing bodily conditions

Publications (2)

Publication Number Publication Date
DE69630952D1 true DE69630952D1 (de) 2004-01-15
DE69630952T2 DE69630952T2 (de) 2004-10-21

Family

ID=23701954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69630952T Expired - Fee Related DE69630952T2 (de) 1995-04-26 1996-04-25 Vorrichtung zur detektion von dc biopotentialen

Country Status (12)

Country Link
US (1) US5678547A (de)
EP (2) EP0831741B1 (de)
JP (1) JPH11504236A (de)
AT (1) ATE255362T1 (de)
AU (1) AU702900B2 (de)
BR (1) BR9608524A (de)
CA (1) CA2218870A1 (de)
DE (1) DE69630952T2 (de)
DK (1) DK0831741T3 (de)
ES (1) ES2208741T3 (de)
PT (1) PT831741E (de)
WO (1) WO1996033651A1 (de)

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US6208983B1 (en) 1998-01-30 2001-03-27 Sarnoff Corporation Method and apparatus for training and operating a neural network for detecting breast cancer
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network
IL125053A (en) * 1998-06-22 2004-07-25 Sorin T Teich A method for detecting inflammatory and malignant processes in mammals
DE69923183T2 (de) * 1998-07-06 2006-02-23 Pastor, Aleksander Gerät zur feststellung von hautimpedanzveränderungen
WO2000041618A1 (en) 1999-01-13 2000-07-20 Pro-Duct Health, Inc. Ductal orifice identification by characteristic electrical signal
US6488689B1 (en) * 1999-05-20 2002-12-03 Aaron V. Kaplan Methods and apparatus for transpericardial left atrial appendage closure
US7499745B2 (en) * 2000-02-28 2009-03-03 Barbara Ann Karmanos Cancer Institute Multidimensional bioelectrical tissue analyzer
DE10119527A1 (de) * 2001-04-12 2002-11-07 Sitec Sensortechnik Gmbh Verfahren zur mobilen oder stationären Erfassung von Körperfunktions- und Stoffwechseldaten eines lebenden Körpers und Einrichtung zur Durchführung des Verfahrens
US7044911B2 (en) * 2001-06-29 2006-05-16 Philometron, Inc. Gateway platform for biological monitoring and delivery of therapeutic compounds
US7610104B2 (en) * 2002-05-10 2009-10-27 Cerebral Vascular Applications, Inc. Methods and apparatus for lead placement on a surface of the heart
US7630759B2 (en) 2002-05-20 2009-12-08 Epi-Sci, Llc Method and system for detecting electrophysiological changes in pre-cancerous and cancerous breast tissue and epithelium
US6866639B2 (en) * 2002-09-23 2005-03-15 Everest Biomedical Instruments Handheld low voltage testing device
US8594764B2 (en) * 2003-03-07 2013-11-26 Jon Rice Device and method for assessing the electrical potential of cells and method for manufacture of same
US7846168B2 (en) 2003-10-09 2010-12-07 Sentreheart, Inc. Apparatus and method for the ligation of tissue
US7918865B2 (en) 2005-04-07 2011-04-05 Sentreheart, Inc. Apparatus and method for the ligation of tissue
US7738951B2 (en) 2006-07-28 2010-06-15 Medtronic, Inc. Prioritized multicomplexor sensing circuit
DK2574287T3 (en) 2007-03-30 2015-07-27 Sentreheart Inc Devices for closing the left forkammervedhæng
JP2011500109A (ja) 2007-09-20 2011-01-06 センターハート・インコーポレイテッド 遠隔縫合糸管理装置及びその方法
AU2010232589B2 (en) 2009-04-01 2014-11-27 Atricure, Inc. Tissue ligation devices and controls therefor
CN103108597B (zh) 2010-04-13 2015-09-16 森特里心脏股份有限公司 用于向心脏介入和置放装置的方法和装置
US9061140B2 (en) 2010-10-13 2015-06-23 Boston Scientific Neuromodulation Corporation Sample and hold circuitry for monitoring voltages in an implantable neurostimulator
CA2838539C (en) 2011-06-08 2020-08-04 Sentreheart, Inc. Tissue ligation devices and tensioning devices therefor
WO2014164028A1 (en) 2013-03-12 2014-10-09 Sentreheart, Inc. Tissue ligation devices and methods therefor
US20150335288A1 (en) * 2013-06-06 2015-11-26 Tricord Holdings, Llc Modular physiologic monitoring systems, kits, and methods
US10258408B2 (en) 2013-10-31 2019-04-16 Sentreheart, Inc. Devices and methods for left atrial appendage closure
DE102013022090A1 (de) * 2013-12-16 2015-06-18 Seca Ag Multifunktionsmessvorrichtung und Verfahren zur Ermittlung und Auswertung verschiedener Messsignale eines biologischen Subjektes
DE102014015896A1 (de) * 2014-10-28 2016-04-28 Drägerwerk AG & Co. KGaA Einrichtung zur Erfassung von elektrischen Potentialen
US10130369B2 (en) 2015-03-24 2018-11-20 Sentreheart, Inc. Tissue ligation devices and methods therefor
PL3273866T3 (pl) 2015-03-24 2024-05-13 Atricure, Inc. Urządzenia do zamykania uszka lewego przedsionka
EP4331509A3 (de) 2016-02-26 2024-05-15 AtriCure, Inc. Vorrichtungen zum verschluss des linken herzohrs
US11571159B1 (en) * 2020-07-23 2023-02-07 Meta Platforms Technologies, Llc Floating biopotential samplings

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US3717141A (en) * 1970-09-15 1973-02-20 L Krohn System for providing a multi-level current density diagram of a human body organ
US4328809A (en) * 1976-09-24 1982-05-11 Barry Herbert Hirschowitz Device and method for detecting the potential level of the electromagnetic field of a living organism
US4407300A (en) * 1980-07-14 1983-10-04 Davis Robert E Potentiometric diagnosis of cancer in vivo
US4416288A (en) * 1980-08-14 1983-11-22 The Regents Of The University Of California Apparatus and method for reconstructing subsurface electrophysiological patterns
IL62861A (en) * 1981-05-13 1988-01-31 Yeda Res & Dev Method and apparatus for carrying out electric tomography
US4617939A (en) * 1982-04-30 1986-10-21 The University Of Sheffield Tomography
US4557273A (en) * 1982-12-27 1985-12-10 Stoller Kenneth P Method and apparatus for detecting ovulation
US4557271A (en) * 1983-05-11 1985-12-10 Stoller Kenneth P Method and apparatus for detecting body illness, dysfunction, disease and/or pathology
US4736751A (en) * 1986-12-16 1988-04-12 Eeg Systems Laboratory Brain wave source network location scanning method and system
US5038782A (en) * 1986-12-16 1991-08-13 Sam Technology, Inc. Electrode system for brain wave detection
SE456067B (sv) 1987-08-27 1988-09-05 Roland Andersson Langsmalt bandage med en mittendel och tva festendar
EP0335977A4 (de) * 1987-09-19 1990-01-08 Kawabe Jiro Verfahren zum messen eines biopotentials.
US5099844A (en) * 1988-12-22 1992-03-31 Biofield Corp. Discriminant function analysis method and apparatus for disease diagnosis and screening
US5533522A (en) * 1989-10-30 1996-07-09 Feng; Genquan Method of and arrangement for optimizing disease diagnosis
US5099856A (en) * 1989-11-08 1992-03-31 Etymotic Research, Inc. Electrode isolation amplifier
US5146926A (en) * 1990-10-26 1992-09-15 Massachusetts Institute Of Technology Method and apparatus for imaging electrical activity in a biological system
JPH04357933A (ja) * 1990-11-20 1992-12-10 Getsutsu:Kk 生体信号処理装置
AU667199B2 (en) * 1991-11-08 1996-03-14 Physiometrix, Inc. EEG headpiece with disposable electrodes and apparatus and system and method for use therewith
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US5409011A (en) * 1993-07-07 1995-04-25 Alexeev; Vassili Bioenergy assessing method and system for diagnosing and providing therapy
US5503157A (en) * 1995-03-17 1996-04-02 Sramek; Bohumir System for detection of electrical bioimpedance signals

Also Published As

Publication number Publication date
EP0831741A4 (de) 2000-03-01
EP0831741B1 (de) 2003-12-03
PT831741E (pt) 2004-04-30
EP0831741A1 (de) 1998-04-01
CA2218870A1 (en) 1996-10-31
MX9708221A (es) 1998-06-30
ES2208741T3 (es) 2004-06-16
DK0831741T3 (da) 2004-04-13
AU702900B2 (en) 1999-03-11
BR9608524A (pt) 1999-06-15
WO1996033651A1 (en) 1996-10-31
US5678547A (en) 1997-10-21
EP1308127A1 (de) 2003-05-07
AU5553196A (en) 1996-11-18
DE69630952T2 (de) 2004-10-21
JPH11504236A (ja) 1999-04-20
ATE255362T1 (de) 2003-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee