PT831741E - Aparelho para a deteccao de condicoes fisicas - Google Patents

Aparelho para a deteccao de condicoes fisicas

Info

Publication number
PT831741E
PT831741E PT96912853T PT96912853T PT831741E PT 831741 E PT831741 E PT 831741E PT 96912853 T PT96912853 T PT 96912853T PT 96912853 T PT96912853 T PT 96912853T PT 831741 E PT831741 E PT 831741E
Authority
PT
Portugal
Prior art keywords
test
biopotential
digital
analog
signals
Prior art date
Application number
PT96912853T
Other languages
English (en)
Inventor
Mark L Faupel
Charles Leonard Gordon
John D Stephens
Seth D Nathanson
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 PT831741E publication Critical patent/PT831741E/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
    • A61B5/24—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 OR CALCULATING; 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)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Artificial Intelligence (AREA)
  • Mathematical Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Evolutionary Computation (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Software Systems (AREA)
  • Dermatology (AREA)
  • Cardiology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
PT96912853T 1995-04-26 1996-04-25 Aparelho para a deteccao de condicoes fisicas PT831741E (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
PT831741E true PT831741E (pt) 2004-04-30

Family

ID=23701954

Family Applications (1)

Application Number Title Priority Date Filing Date
PT96912853T PT831741E (pt) 1995-04-26 1996-04-25 Aparelho para a deteccao de condicoes fisicas

Country Status (12)

Country Link
US (1) US5678547A (pt)
EP (2) EP1308127A1 (pt)
JP (1) JPH11504236A (pt)
AT (1) ATE255362T1 (pt)
AU (1) AU702900B2 (pt)
BR (1) BR9608524A (pt)
CA (1) CA2218870A1 (pt)
DE (1) DE69630952T2 (pt)
DK (1) DK0831741T3 (pt)
ES (1) ES2208741T3 (pt)
PT (1) PT831741E (pt)
WO (1) WO1996033651A1 (pt)

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IL125053A (en) * 1998-06-22 2004-07-25 Sorin T Teich A method for detecting inflammatory and malignant processes in mammals
AU759937B2 (en) * 1998-07-06 2003-05-01 Pastor, Aleksander Apparatus for evaluation of skin impedance variations
US6314315B1 (en) 1999-01-13 2001-11-06 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
ES2700851T3 (es) 2003-10-09 2019-02-19 Sentreheart Inc Aparato para el ligado de tejido
WO2006110734A2 (en) 2005-04-07 2006-10-19 Sentreheart, Inc. Apparatus and method for the ligation of tissue
US7738951B2 (en) 2006-07-28 2010-06-15 Medtronic, Inc. Prioritized multicomplexor sensing circuit
US8771297B2 (en) 2007-03-30 2014-07-08 Sentreheart, Inc. Devices, systems, and methods for closing the left atrial appendage
WO2009039191A2 (en) 2007-09-20 2009-03-26 Sentreheart, Inc. Devices and methods for remote suture management
EP2413815B1 (en) 2009-04-01 2018-12-12 Sentreheart, Inc. Tissue ligation devices and controls therefor
EP2558014A4 (en) 2010-04-13 2017-11-29 Sentreheart, Inc. Methods and devices for treating atrial fibrillation
US9061140B2 (en) 2010-10-13 2015-06-23 Boston Scientific Neuromodulation Corporation Sample and hold circuitry for monitoring voltages in an implantable neurostimulator
EP3391834A3 (en) 2011-06-08 2019-01-23 Sentreheart, Inc. Tissue ligation devices and tensioning devices therefor
EP3378416B1 (en) 2013-03-12 2020-07-29 Sentreheart, Inc. Tissue ligation devices
US20150335288A1 (en) 2013-06-06 2015-11-26 Tricord Holdings, Llc Modular physiologic monitoring systems, kits, and methods
WO2015066549A1 (en) 2013-10-31 2015-05-07 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
DE102014015896B4 (de) * 2014-10-28 2026-02-19 Drägerwerk AG & Co. KGaA Einrichtung zur Erfassung von elektrischen Potentialen
EP3273866B1 (en) 2015-03-24 2023-12-13 AtriCure, Inc. Devices for left atrial appendage closure
US10130369B2 (en) 2015-03-24 2018-11-20 Sentreheart, Inc. Tissue ligation devices and methods therefor
JP7137472B2 (ja) 2016-02-26 2022-09-14 センターハート・インコーポレイテッド 左心耳閉鎖のための装置及び方法
EP3553538B1 (en) 2018-04-13 2021-03-10 Nokia Technologies Oy An apparatus, electronic device and method for estimating impedance
US11571159B1 (en) * 2020-07-23 2023-02-07 Meta Platforms Technologies, Llc Floating biopotential samplings

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Also Published As

Publication number Publication date
US5678547A (en) 1997-10-21
DE69630952T2 (de) 2004-10-21
EP0831741A4 (en) 2000-03-01
MX9708221A (es) 1998-06-30
BR9608524A (pt) 1999-06-15
EP0831741A1 (en) 1998-04-01
AU5553196A (en) 1996-11-18
ES2208741T3 (es) 2004-06-16
JPH11504236A (ja) 1999-04-20
EP1308127A1 (en) 2003-05-07
AU702900B2 (en) 1999-03-11
WO1996033651A1 (en) 1996-10-31
ATE255362T1 (de) 2003-12-15
CA2218870A1 (en) 1996-10-31
EP0831741B1 (en) 2003-12-03
DE69630952D1 (de) 2004-01-15
DK0831741T3 (da) 2004-04-13

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