ATE209873T1 - Verfahren zur impedanz-kardiographie und zur bestimmung des herz-rhythmus sowie apparat zu deren implementierung - Google Patents

Verfahren zur impedanz-kardiographie und zur bestimmung des herz-rhythmus sowie apparat zu deren implementierung

Info

Publication number
ATE209873T1
ATE209873T1 AT92920353T AT92920353T ATE209873T1 AT E209873 T1 ATE209873 T1 AT E209873T1 AT 92920353 T AT92920353 T AT 92920353T AT 92920353 T AT92920353 T AT 92920353T AT E209873 T1 ATE209873 T1 AT E209873T1
Authority
AT
Austria
Prior art keywords
ekg
signal
processed
stroke volume
thoracic impedance
Prior art date
Application number
AT92920353T
Other languages
English (en)
Inventor
Xiang Wang
Hun H Sun
Original Assignee
Univ Drexel
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 Univ Drexel filed Critical Univ Drexel
Application granted granted Critical
Publication of ATE209873T1 publication Critical patent/ATE209873T1/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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • 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
    • A61B5/0535—Impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • 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
    • 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
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • 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
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/347—Detecting the frequency distribution of signals
    • 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
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • 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)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (AREA)
  • Hematology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Pulmonology (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AT92920353T 1991-09-12 1992-09-11 Verfahren zur impedanz-kardiographie und zur bestimmung des herz-rhythmus sowie apparat zu deren implementierung ATE209873T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US75803491A 1991-09-12 1991-09-12
US07/834,425 US5309917A (en) 1991-09-12 1992-02-12 System and method of impedance cardiography and heartbeat determination
PCT/US1992/007756 WO1993004627A1 (en) 1991-09-12 1992-09-11 Methods of impedance cardiography and heartbeat determination

Publications (1)

Publication Number Publication Date
ATE209873T1 true ATE209873T1 (de) 2001-12-15

Family

ID=27116481

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92920353T ATE209873T1 (de) 1991-09-12 1992-09-11 Verfahren zur impedanz-kardiographie und zur bestimmung des herz-rhythmus sowie apparat zu deren implementierung

Country Status (7)

Country Link
US (2) US5309917A (de)
EP (1) EP0606301B1 (de)
JP (1) JPH07503380A (de)
AT (1) ATE209873T1 (de)
CA (1) CA2118930C (de)
DE (1) DE69232267T2 (de)
WO (1) WO1993004627A1 (de)

Families Citing this family (181)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5423326A (en) * 1991-09-12 1995-06-13 Drexel University Apparatus and method for measuring cardiac output
US5735284A (en) * 1992-06-24 1998-04-07 N.I. Medical Ltd. Method and system for non-invasive determination of the main cardiorespiratory parameters of the human body
DE4243628A1 (de) * 1992-12-22 1994-06-23 Siemens Ag Vorrichtung zur nichtinvasiven Bestimmung der räumlichen Verteilung der elektrischen Impedanz im Innern eines Lebewesens
FR2707860B1 (fr) * 1993-07-23 1995-09-08 Bour Jean Appareil de mesure et de traitement de signaux physiologiques et procédé automatique mis en Óoeuvre par ledit appareil.
US6322518B1 (en) 1993-12-06 2001-11-27 Heska Corporation Method and apparatus for measuring cardiac output
US6438400B1 (en) 1993-12-06 2002-08-20 Heska Corporation Electrode for evaluating cardiac functions via esophagus
US5505209A (en) * 1994-07-07 1996-04-09 Reining International, Ltd. Impedance cardiograph apparatus and method
US5503157A (en) * 1995-03-17 1996-04-02 Sramek; Bohumir System for detection of electrical bioimpedance signals
FI106529B (fi) * 1995-05-26 2001-02-28 Instrumentarium Oy Menetelmä potilaan hengityksen tarkkailemiseksi
US5685318A (en) * 1995-09-29 1997-11-11 Siemens Medical Systems, Inc. Method and apparatus for detecting quick movement artifact in impedance respiration signals
US5685316A (en) * 1996-04-08 1997-11-11 Rheo-Graphic Pte Ltd. Non-invasive monitoring of hemodynamic parameters using impedance cardiography
US6058325A (en) * 1996-04-16 2000-05-02 Cardiotronics Method and apparatus for high current electrode, transthoracic and transmyocardial impedance estimation
US6253103B1 (en) 1996-04-16 2001-06-26 Kimberly-Clark Worldwide, Inc. Method and apparatus for high current electrode, transthoracic and transmyocardial impedance estimation
US6016445A (en) * 1996-04-16 2000-01-18 Cardiotronics Method and apparatus for electrode and transthoracic impedance estimation
US5913826A (en) * 1996-06-12 1999-06-22 K-One Technologies Wideband external pulse cardiac monitor
US5782884A (en) * 1996-11-05 1998-07-21 Sulzer Intermedics Inc. Rate responsive cardiac pacemaker with peak impedance detection for rate control
US6050950A (en) 1996-12-18 2000-04-18 Aurora Holdings, Llc Passive/non-invasive systemic and pulmonary blood pressure measurement
US6002952A (en) 1997-04-14 1999-12-14 Masimo Corporation Signal processing apparatus and method
JP3125730B2 (ja) * 1997-09-11 2001-01-22 憲一 山越 血行動態表示装置
DE19752094C1 (de) * 1997-11-25 1999-07-15 Bundesrep Deutschland Verfahren zur Bestimmung wenigstens einer diagnostischen Information aus Signalmustern medizinischer Sensorsysteme
US6022322A (en) * 1998-02-06 2000-02-08 Intermedics Inc. Non-invasive cardiorespiratory monitor with synchronized bioimpedance sensing
US6141585A (en) * 1998-05-08 2000-10-31 Intermedics Inc. Implantable cardiac stimulator with electrode-tissue interface characterization
US6463334B1 (en) 1998-11-02 2002-10-08 Cardiac Pacemakers, Inc. Extendable and retractable lead
US6048319A (en) * 1998-10-01 2000-04-11 Integrated Medical Systems, Inc. Non-invasive acoustic screening device for coronary stenosis
US6986744B1 (en) * 1999-02-02 2006-01-17 Transonic Systems, Inc. Method and apparatus for determining blood flow during a vascular corrective procedure
AU3732000A (en) * 1999-03-12 2000-09-28 Cardiac Pacemakers, Inc. Cardiac rhythm management system with time-dependent frequency response
ES2155384B1 (es) * 1999-05-12 2001-12-16 Univ Alcala Henares Sistema electronico para la medida de la impedancia electrica del torax.
AUPQ113799A0 (en) * 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
FI110405B (fi) * 1999-07-08 2003-01-31 Instrumentarium Oy Menetelmä sydämen lyöntitilavuuden jatkuvaksi seuraamiseksi
EP1215996B1 (de) * 1999-09-29 2004-11-24 Cambridge Heart, Inc. Verfahren zur analyse von t-zacken mittels analytischen signalen
US20030109790A1 (en) * 2001-12-06 2003-06-12 Medtronic Physio-Control Manufacturing Corp. Pulse detection method and apparatus using patient impedance
EP1221041B1 (de) * 1999-10-12 2010-01-20 Gerald Wiegand Zeitlich hochaufgelöste impedanzspektroskopie
JP2001224564A (ja) * 2000-02-18 2001-08-21 Nippon Colin Co Ltd 心音検出装置、およびその心音検出装置を利用した脈波伝播速度情報測定装置
DE10011733A1 (de) * 2000-03-10 2001-09-13 Biotronik Mess & Therapieg Signalauswerteverfahren zur Detektion von QRS-Komplexen in Elektrokardiogramm-Signalen
US6561986B2 (en) 2001-01-17 2003-05-13 Cardiodynamics International Corporation Method and apparatus for hemodynamic assessment including fiducial point detection
US6643546B2 (en) * 2001-02-13 2003-11-04 Quetzal Biomedical, Inc. Multi-electrode apparatus and method for treatment of congestive heart failure
US6511438B2 (en) 2001-04-03 2003-01-28 Osypka Medical Gmbh Apparatus and method for determining an approximation of the stroke volume and the cardiac output of the heart
US6907288B2 (en) * 2001-04-10 2005-06-14 Cardiac Pacemakers, Inc. Cardiac rhythm management system adjusting rate response factor for treating hypotension
US6912420B2 (en) * 2001-04-10 2005-06-28 Cardiac Pacemakers, Inc. Cardiac rhythm management system for hypotension
DE10125359B4 (de) * 2001-05-23 2005-07-28 Osypka Medical Gmbh Wechselstromquelle zur Erzeugung eines durch den Körper zu sendenden Wechselstroms und Verfahren zur Erzeugung eines stabilen Wechselstroms
AU2002312565A1 (en) * 2001-06-19 2003-01-02 University Of Southern California Therapeutic decisions systems and method using stochastic techniques
US7191000B2 (en) * 2001-07-31 2007-03-13 Cardiac Pacemakers, Inc. Cardiac rhythm management system for edema
WO2003022143A2 (en) * 2001-09-06 2003-03-20 Drexel University Detecting vital signs from impedance cardiograph and electrocardiogram signals
US8781587B2 (en) * 2001-10-01 2014-07-15 Eckhard Alt Detecting and treatment of sleep apnea
US7778709B2 (en) * 2001-10-01 2010-08-17 Medtronic, Inc. Method and device for using impedance measurements based on electrical energy of the heart
US7822470B2 (en) * 2001-10-11 2010-10-26 Osypka Medical Gmbh Method for determining the left-ventricular ejection time TLVE of a heart of a subject
US7186219B2 (en) 2001-10-11 2007-03-06 Osypka Medical Gmbh Calibration of a doppler velocimeter for stroke volume determination
US7761141B2 (en) * 2001-10-31 2010-07-20 Robert Hirsh Non-invasive method and device to monitor cardiac parameters without use of electrical-mechanical interval
US7054679B2 (en) * 2001-10-31 2006-05-30 Robert Hirsh Non-invasive method and device to monitor cardiac parameters
AU2002302003B2 (en) 2001-11-28 2008-05-22 Cardanal Pty Ltd Method and system for processing electrocardial signals
US6829501B2 (en) * 2001-12-20 2004-12-07 Ge Medical Systems Information Technologies, Inc. Patient monitor and method with non-invasive cardiac output monitoring
AU2002951925A0 (en) * 2002-10-09 2002-10-24 Queensland University Of Technology An Impedence Cardiography Device
EP1562471A4 (de) * 2002-10-17 2009-03-25 Gen Hospital Corp Anordnung und verfahren zum nachweis von anomalien und abweichungen in einem körper
CN1735369A (zh) * 2002-11-21 2006-02-15 心律公司 医学测试系统和方法
US7043293B1 (en) 2002-12-24 2006-05-09 Cardiodynamics International Corporation Method and apparatus for waveform assessment
US8050764B2 (en) * 2003-10-29 2011-11-01 Cardiac Pacemakers, Inc. Cross-checking of transthoracic impedance and acceleration signals
US7646274B2 (en) 2003-05-01 2010-01-12 Uri Rapoport Apparatus and method for non-invasive measurement of cardiac output
AU2004236588B2 (en) * 2003-05-12 2009-07-09 Cheetah Medical, Inc. System, method and apparatus for measuring blood flow and blood volume
US7200440B2 (en) 2003-07-02 2007-04-03 Cardiac Pacemakers, Inc. Cardiac cycle synchronized sampling of impedance signal
US7455643B1 (en) 2003-07-07 2008-11-25 Nellcor Puritan Bennett Ireland Continuous non-invasive blood pressure measurement apparatus and methods providing automatic recalibration
DE10332820B4 (de) * 2003-07-18 2006-07-20 Osypka Medical Gmbh Vorrichtung zum potentialgetrennten Umwandeln einer ersten Spannung in eine zweite Spannung zum Messen von Impedanzen und Admittanzen an biologischen Geweben
EP1648297A4 (de) * 2003-07-31 2009-06-10 Dst Delta Segments Technology Nichtinvasive mehrkanal-überwachung hämodynamischer parameter
EP1510173B1 (de) * 2003-09-01 2017-04-05 BIOTRONIK SE & Co. KG Intrakardiale Impedanzmessanordnung
TWI246056B (en) * 2003-10-27 2005-12-21 Ali Corp Method of setting a transfer function of an adaptive filter
US20070129639A1 (en) * 2004-01-11 2007-06-07 Hongxuan Zhang Methods and analysis for cardiac ischemia detection
US20050203428A1 (en) * 2004-03-15 2005-09-15 Impedance Vascular Imaging Products, Llc Device and method for determining coronary blood flow
US20050203429A1 (en) * 2004-03-15 2005-09-15 Impedance Vascular Imaging Products, Llc Device and method for measuring cardiac function
US20050203427A1 (en) * 2004-03-15 2005-09-15 Impedance Vascular Imaging Products, Llc Stenosis detection device
US7474918B2 (en) * 2004-03-24 2009-01-06 Noninvasive Medical Technologies, Inc. Thoracic impedance monitor and electrode array and method of use
US7261697B2 (en) * 2004-06-16 2007-08-28 Bernstein Donald P Apparatus for determination of stroke volume using the brachial artery
US7806830B2 (en) * 2004-06-16 2010-10-05 Cordeus, Inc. Apparatus and method for determination of stroke volume using the brachial artery
JP4848369B2 (ja) 2004-06-18 2011-12-28 インぺディメッド リミテッド 浮腫検出のための装置と該動作方法
US8068906B2 (en) 2004-06-21 2011-11-29 Aorora Technologies Pty Ltd Cardiac monitoring system
US7387610B2 (en) 2004-08-19 2008-06-17 Cardiac Pacemakers, Inc. Thoracic impedance detection with blood resistivity compensation
US20060111641A1 (en) * 2004-11-19 2006-05-25 Applied Cardiac Systems, Inc. System and method for ICG recording and analysis
US7570989B2 (en) * 2004-11-22 2009-08-04 Cardiodynamics International Corporation Method and apparatus for signal assessment including event rejection
US8109981B2 (en) * 2005-01-25 2012-02-07 Valam Corporation Optical therapies and devices
CA2597264C (en) * 2005-02-15 2017-07-25 Cheetah Medical Ltd. System, method and apparatus for measuring blood flow and blood volume
US7603170B2 (en) * 2005-04-26 2009-10-13 Cardiac Pacemakers, Inc. Calibration of impedance monitoring of respiratory volumes using thoracic D.C. impedance
US9089275B2 (en) * 2005-05-11 2015-07-28 Cardiac Pacemakers, Inc. Sensitivity and specificity of pulmonary edema detection when using transthoracic impedance
US7907997B2 (en) * 2005-05-11 2011-03-15 Cardiac Pacemakers, Inc. Enhancements to the detection of pulmonary edema when using transthoracic impedance
US7340296B2 (en) 2005-05-18 2008-03-04 Cardiac Pacemakers, Inc. Detection of pleural effusion using transthoracic impedance
AU2006265761B2 (en) 2005-07-01 2011-08-11 Impedimed Limited Monitoring system
AU2006265763B2 (en) 2005-07-01 2012-08-09 Impedimed Limited Monitoring system
EP1903938A4 (de) * 2005-07-01 2010-01-20 Impedance Cardiology Systems I Lungenüberwachungssystem
EP1909642A1 (de) * 2005-07-20 2008-04-16 Impedance Cardiology Systems Inc. Indexbestimmung
US8099250B2 (en) 2005-08-02 2012-01-17 Impedimed Limited Impedance parameter values
EP1754441B1 (de) 2005-08-17 2008-01-09 Osypka Medical GmbH Digitale Demodulationsvorrichtung und -verfahren zur Messung der elektrischen Bioimpedanz oder Bioadmittanz
ES2476999T3 (es) 2005-10-11 2014-07-15 Impedimed Limited Monitorización del estado de hidratación
US20070213625A1 (en) * 2006-02-24 2007-09-13 Larson & Toubro Limited Cardiac output monitoring system and method using electrical impedance plythesmography
ES2545730T3 (es) * 2006-05-30 2015-09-15 Impedimed Limited Mediciones de impedancia
US7569019B2 (en) * 2006-06-16 2009-08-04 Frank Bour Analysis and use of cardiographic bioimpedance measurements
WO2008105837A2 (en) * 2006-09-21 2008-09-04 Noninvasive Medical Technologies, Inc. Method of processing thoracic reflected radio interrogation signals
WO2008036404A2 (en) * 2006-09-21 2008-03-27 Noninvasive Medical Technologies, Inc. Antenna for thoracic radio interrogation
US8134460B2 (en) * 2006-09-21 2012-03-13 Noninvasive Medical Technologies, Inc. Relative positioning system method
EP2068703A4 (de) * 2006-09-21 2011-07-20 Noninvasive Medical Technologies Inc Vorrichtung und verfahren für nicht-invasive thorax-exploration über funk
JP5372768B2 (ja) * 2006-11-30 2013-12-18 インぺディメッド リミテッド 測定装置
DE102006057987A1 (de) * 2006-12-08 2008-06-19 Siemens Ag Vorrichtung und Verfahren zur Bildgebung
CA2675438A1 (en) * 2007-01-15 2008-07-24 Impedimed Limited Monitoring system
US8876725B2 (en) * 2007-02-23 2014-11-04 Cheetah Medical, Inc. Method and system for estimating exercise capacity
US9095271B2 (en) 2007-08-13 2015-08-04 Cheetah Medical, Inc. Dynamically variable filter
WO2008107899A1 (en) * 2007-03-07 2008-09-12 Cheetah Medical Ltd. Method and system for monitoring sleep
AU2008234370B2 (en) * 2007-03-30 2011-06-30 Impedimed Limited Active guarding for reduction of resistive and capactive signal loading with adjustable control of compensation level
ATE548967T1 (de) * 2007-04-19 2012-03-15 Cheetah Medical Inc Verfahren und gerät zur vorhersage von elektrochemischer dissoziation
JP5419861B2 (ja) * 2007-04-20 2014-02-19 インぺディメッド リミテッド インピーダンス測定装置および方法
WO2009018620A1 (en) * 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
EP2194847A1 (de) 2007-09-14 2010-06-16 Corventis, Inc. Haftende vorrichtung mit mehreren physiologischen sensoren
US20090076346A1 (en) 2007-09-14 2009-03-19 Corventis, Inc. Tracking and Security for Adherent Patient Monitor
US8249686B2 (en) 2007-09-14 2012-08-21 Corventis, Inc. Adherent device for sleep disordered breathing
EP2194858B1 (de) 2007-09-14 2017-11-22 Corventis, Inc. Automatischer start eines medizinprodukts bei kontakt mit patientengewebe
EP3922171A1 (de) 2007-09-14 2021-12-15 Medtronic Monitoring, Inc. Adhärenter herzmonitor mit verbesserten sensorfähigkeiten
WO2009036256A1 (en) 2007-09-14 2009-03-19 Corventis, Inc. Injectable physiological monitoring system
US8790257B2 (en) 2007-09-14 2014-07-29 Corventis, Inc. Multi-sensor patient monitor to detect impending cardiac decompensation
CA2704061C (en) * 2007-11-05 2017-06-20 Impedimed Limited Impedance determination
US8157848B2 (en) * 2008-02-01 2012-04-17 Siemens Medical Solutions Usa, Inc. System for characterizing patient tissue impedance for monitoring and treatment
AU2008207672B2 (en) * 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
WO2009114548A1 (en) 2008-03-12 2009-09-17 Corventis, Inc. Heart failure decompensation prediction based on cardiac rhythm
WO2009146214A1 (en) 2008-04-18 2009-12-03 Corventis, Inc. Method and apparatus to measure bioelectric impedance of patient tissue
US8398556B2 (en) * 2008-06-30 2013-03-19 Covidien Lp Systems and methods for non-invasive continuous blood pressure determination
US20090326386A1 (en) * 2008-06-30 2009-12-31 Nellcor Puritan Bennett Ireland Systems and Methods for Non-Invasive Blood Pressure Monitoring
US8660799B2 (en) * 2008-06-30 2014-02-25 Nellcor Puritan Bennett Ireland Processing and detecting baseline changes in signals
US8506498B2 (en) 2008-07-15 2013-08-13 Nellcor Puritan Bennett Ireland Systems and methods using induced perturbation to determine physiological parameters
US10631745B2 (en) 2008-09-22 2020-04-28 Cheetah Medical, Inc. System and method for determining blood flow
US9314168B2 (en) * 2008-09-30 2016-04-19 Nellcor Puritan Bennett Ireland Detecting sleep events using localized blood pressure changes
US8532751B2 (en) * 2008-09-30 2013-09-10 Covidien Lp Laser self-mixing sensors for biological sensing
US9687161B2 (en) * 2008-09-30 2017-06-27 Nellcor Puritan Bennett Ireland Systems and methods for maintaining blood pressure monitor calibration
US9301697B2 (en) * 2008-09-30 2016-04-05 Nellcor Puritan Bennett Ireland Systems and methods for recalibrating a non-invasive blood pressure monitor
EP2342002A1 (de) * 2008-10-31 2011-07-13 Siemens Industry, Inc. Verteilerblock für umkehrosmosesysteme
EP2348987B1 (de) 2008-11-28 2017-03-22 Impedimed Limited Impedanz-messverfahren
US9050016B2 (en) * 2009-02-10 2015-06-09 Siemens Medical Solutions Usa, Inc. System for heart performance characterization and abnormality detection
US8216136B2 (en) 2009-03-05 2012-07-10 Nellcor Puritan Bennett Llc Systems and methods for monitoring heart rate and blood pressure correlation
US8271079B2 (en) * 2009-03-24 2012-09-18 Biospace Co., Ltd. Method of analyzing body composition with measurement of voltage signals at multiple positions of body
US20100324431A1 (en) * 2009-06-18 2010-12-23 Nellcor Puritan Bennett Ireland Determining Disease State Using An Induced Load
US8290730B2 (en) * 2009-06-30 2012-10-16 Nellcor Puritan Bennett Ireland Systems and methods for assessing measurements in physiological monitoring devices
US9198582B2 (en) * 2009-06-30 2015-12-01 Nellcor Puritan Bennett Ireland Determining a characteristic physiological parameter
US20110021929A1 (en) * 2009-07-27 2011-01-27 Nellcor Puritan Bennett Ireland Systems and methods for continuous non-invasive blood pressure monitoring
US8628477B2 (en) * 2009-07-31 2014-01-14 Nellcor Puritan Bennett Ireland Systems and methods for non-invasive determination of blood pressure
US9220440B2 (en) * 2009-09-21 2015-12-29 Nellcor Puritan Bennett Ireland Determining a characteristic respiration rate
US9066660B2 (en) 2009-09-29 2015-06-30 Nellcor Puritan Bennett Ireland Systems and methods for high-pass filtering a photoplethysmograph signal
US8463347B2 (en) * 2009-09-30 2013-06-11 Nellcor Puritan Bennett Ireland Systems and methods for normalizing a plethysmograph signal for improved feature analysis
US8790259B2 (en) 2009-10-22 2014-07-29 Corventis, Inc. Method and apparatus for remote detection and monitoring of functional chronotropic incompetence
JP5643829B2 (ja) 2009-10-26 2014-12-17 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ インピーダンス測定の分析において用いるための方法及び装置
AU2010321683B2 (en) 2009-11-18 2014-06-26 Impedimed Limited Signal distribution for patient-electrode measurements
US9451897B2 (en) 2009-12-14 2016-09-27 Medtronic Monitoring, Inc. Body adherent patch with electronics for physiologic monitoring
US9451887B2 (en) 2010-03-31 2016-09-27 Nellcor Puritan Bennett Ireland Systems and methods for measuring electromechanical delay of the heart
US8965498B2 (en) 2010-04-05 2015-02-24 Corventis, Inc. Method and apparatus for personalized physiologic parameters
US8898037B2 (en) 2010-04-28 2014-11-25 Nellcor Puritan Bennett Ireland Systems and methods for signal monitoring using Lissajous figures
EP2407102A1 (de) * 2010-07-15 2012-01-18 Tanita Corporation Vorrichtung und System zur Analyse der Atmungseigenschaft
EP2407100A1 (de) * 2010-07-15 2012-01-18 Tanita Corporation Analyse von Atmungseigenschaften
US8825428B2 (en) 2010-11-30 2014-09-02 Neilcor Puritan Bennett Ireland Methods and systems for recalibrating a blood pressure monitor with memory
US9259160B2 (en) 2010-12-01 2016-02-16 Nellcor Puritan Bennett Ireland Systems and methods for determining when to measure a physiological parameter
US9357934B2 (en) 2010-12-01 2016-06-07 Nellcor Puritan Bennett Ireland Systems and methods for physiological event marking
US20140249432A1 (en) * 2010-12-28 2014-09-04 Matt Banet Body-worn system for continuous, noninvasive measurement of cardiac output, stroke volume, cardiac power, and blood pressure
KR102432709B1 (ko) 2011-07-25 2022-08-12 치타 메디컬, 인코퍼레이티드 혈류역학 감시 방법 및 시스템
US9060695B2 (en) 2011-11-30 2015-06-23 Covidien Lp Systems and methods for determining differential pulse transit time from the phase difference of two analog plethysmographs
CA2858244A1 (en) 2011-12-14 2013-06-20 Intersection Medical, Inc. Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
MX2014009143A (es) * 2012-01-27 2015-03-06 T4 Analytics Llc Metodos y sistemas para evaluar la actividad muscular electrica en respuesta a la estimulacion de un nervio motor.
US9560983B2 (en) * 2012-12-27 2017-02-07 Medical Corporation Ushiroda Internal Medicine Clinic Method for creating and analyzing graphs of cardiac function in atrial fibrillation and sinus arrhythmia based on thoracic impedance measurements
CN103083011B (zh) * 2013-01-22 2014-11-05 西安交通大学 利用胸阻抗二阶差分图辅助实时定位心电r波峰的方法
DE102013213526B4 (de) * 2013-02-05 2015-10-01 Dräger Medical GmbH Elektroimpedanztomographie-Gerät und -Verfahren
US9113805B2 (en) 2013-03-04 2015-08-25 Mortara Instrument, Inc. Impedance measurement system
US9456763B2 (en) 2013-09-11 2016-10-04 Medtronic, Inc. Apparatus and method for simultaneous capture of biopotential and tissue impedance signals
JP6009125B2 (ja) * 2014-06-25 2016-10-19 真一 後田 胸郭インピーダンスに基づく心機能測定評価装置
US9936919B2 (en) * 2015-09-25 2018-04-10 Intel Corporation Devices, systems, and methods for determining heart rate of a subject from noisy electrocardiogram data
EP3414738B1 (de) * 2016-02-08 2020-01-22 Koninklijke Philips N.V. Vorrichtung, system und verfahren zur hautdetektion
JP6731785B2 (ja) * 2016-05-20 2020-07-29 テイ・エス テック株式会社 信頼性判定装置及び信頼性判定方法
WO2017211869A1 (en) * 2016-06-07 2017-12-14 Viewcare Technologies 1 Aps Method and system for measuring a central pulse wave velocity in a pregnant woman
US11723579B2 (en) 2017-09-19 2023-08-15 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement
EP3684249A1 (de) * 2017-09-20 2020-07-29 Quantium Medical S.L. System und verfahren zur schätzung des schlagvolumens und/oder der herzleistung eines patienten
CN110785117A (zh) * 2017-09-20 2020-02-11 昆腾医疗公司 用于估计患者的每搏输出量和/或心输出量的系统和方法
US11284827B2 (en) 2017-10-21 2022-03-29 Ausculsciences, Inc. Medical decision support system
US11717686B2 (en) 2017-12-04 2023-08-08 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to facilitate learning and performance
US11478603B2 (en) 2017-12-31 2022-10-25 Neuroenhancement Lab, LLC Method and apparatus for neuroenhancement to enhance emotional response
US11364361B2 (en) 2018-04-20 2022-06-21 Neuroenhancement Lab, LLC System and method for inducing sleep by transplanting mental states
US11452839B2 (en) 2018-09-14 2022-09-27 Neuroenhancement Lab, LLC System and method of improving sleep
CN111248895A (zh) * 2018-11-30 2020-06-09 无锡祥生医疗科技股份有限公司 心电信号特征检测方法及其系统
US10724833B1 (en) * 2019-01-19 2020-07-28 Joshua Todd Bowmar Dismemberable target assembly
US11786694B2 (en) 2019-05-24 2023-10-17 NeuroLight, Inc. Device, method, and app for facilitating sleep
US20210052179A1 (en) * 2019-08-19 2021-02-25 Vitalchains Corporation Method for determining r peaks of electrocardiogram
CN110448290B (zh) * 2019-08-19 2022-05-03 中电科思仪科技股份有限公司 一种基于太赫兹穿墙雷达的远距离人员心率检测方法、装置及系统
EE202200004A (et) * 2022-03-29 2023-11-15 Tallinna Tehnikaülikool Impedantskardiograafia seade

Family Cites Families (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3149627A (en) * 1962-04-25 1964-09-22 Samuel M Bagno Plethysmograph
US3340867A (en) * 1964-08-19 1967-09-12 Univ Minnesota Impedance plethysmograph
USRE30101E (en) * 1964-08-19 1979-09-25 Regents Of The University Of Minnesota Impedance plethysmograph
US3452743A (en) * 1965-03-01 1969-07-01 Gen Electric Body impedance bridge
SE345386B (de) * 1967-03-30 1972-05-29 B Jonson
BE757682A (fr) * 1969-10-23 1971-04-01 Ieram Sarl Dispositif de rheoplethysmographie
US3730171A (en) * 1971-09-23 1973-05-01 R Namon Impedance related blood flow measuring device
US3882851A (en) * 1971-10-20 1975-05-13 Systron Donner Corp Impedance plethysmograph
US3835839A (en) * 1972-12-08 1974-09-17 Systron Donner Corp Impedance plethysmograph and flow rate computer adjunct and method for use therewith
US3874368A (en) * 1973-04-19 1975-04-01 Manfred Asrican Impedance plethysmograph having blocking system
US3871359A (en) * 1973-06-25 1975-03-18 Interscience Technology Corp Impedance measuring system
US3847142A (en) * 1973-08-30 1974-11-12 R Williams Blood flow measuring apparatus and method
US3835840A (en) * 1973-09-27 1974-09-17 Hope City Impedance plethysmography method and apparatus
DE2418910B2 (de) * 1974-04-19 1976-10-07 Hewlett-Packard GmbH, 7030 Böblingen Atemmonitor
US3996925A (en) * 1975-05-05 1976-12-14 Ljubomir Djordjevich System for determining characteristics of blood flow
US3994284A (en) * 1975-12-31 1976-11-30 Systron Donner Corporation Flow rate computer adjunct for use with an impedance plethysmograph and method
US4205688A (en) * 1977-05-23 1980-06-03 Doll Research, Inc. Method and apparatus for developing and measuring pulsed blood flow
JPS5441584A (en) * 1977-09-07 1979-04-02 Asahi Medical Co Human body blood current meter
US4258720A (en) * 1979-02-09 1981-03-31 Medasonics Strain gauge plethysmograph
US4305400A (en) * 1979-10-15 1981-12-15 Squibb Vitatek Inc. Respiration monitoring method and apparatus including cardio-vascular artifact detection
US4422458A (en) * 1980-04-28 1983-12-27 Montefiore Hospital And Medical Center, Inc. Method and apparatus for detecting respiratory distress
US4562843A (en) * 1980-09-29 1986-01-07 Ljubomir Djordjevich System for determining characteristics of blood flow
US4437469A (en) * 1980-09-29 1984-03-20 Rush-Presbyterian-St. Luke's Medical Center System for determining characteristics of blood flow
JPS5793036A (en) * 1980-11-29 1982-06-09 Hiroshi Osanai Acceleration pulse meter and diagnosis by using same
US4450527A (en) * 1982-06-29 1984-05-22 Bomed Medical Mfg. Ltd. Noninvasive continuous cardiac output monitor
JPS59103169A (ja) * 1982-12-03 1984-06-14 Matsushita Electric Ind Co Ltd デジタル信号処理装置
GB8309927D0 (en) * 1983-04-13 1983-05-18 Smith D N Determination of internal structure of bounded objects
US4548211A (en) * 1984-01-12 1985-10-22 Marks Lloyd A Computer assisted admittance plethysmograph
US4676253A (en) * 1985-07-18 1987-06-30 Doll Medical Research, Inc. Method and apparatus for noninvasive determination of cardiac output
EP0212370B1 (de) * 1985-08-21 1990-03-21 Kontron Instruments Holding N.V. Verfahren und Gerät zur Atmungsüberwachung
US4733670A (en) * 1985-10-11 1988-03-29 The Kendall Company Device for cardiac output monitoring
EP0249825B1 (de) * 1986-06-16 1991-11-06 Pacesetter AB Vorrichtung zur Impedanzmessung an Körpergeweben
EP0249823B1 (de) * 1986-06-16 1991-12-18 Pacesetter AB Vorrichtung zur Steuerung eines Herzschrittmachers mittels Impedanzmessung an Körpergeweben
US4836214A (en) * 1986-12-01 1989-06-06 Bomed Medical Manufacturing, Ltd. Esophageal electrode array for electrical bioimpedance measurement
US4870578A (en) * 1987-08-19 1989-09-26 Bomed Medical Manufacturing, Ltd. Diastolic clamp for bioimpedance measuring device
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
US4924875A (en) * 1987-10-09 1990-05-15 Biometrak Corporation Cardiac biopotential analysis system and method
US4807638A (en) * 1987-10-21 1989-02-28 Bomed Medical Manufacturing, Ltd. Noninvasive continuous mean arterial blood prssure monitor
US5178151A (en) * 1988-04-20 1993-01-12 Sackner Marvin A System for non-invasive detection of changes of cardiac volumes and aortic pulses
WO1990000367A1 (en) * 1988-07-14 1990-01-25 Bomed Medical Manufacturing, Ltd. Management of hemodynamic state of a patient
US5103828A (en) * 1988-07-14 1992-04-14 Bomed Medical Manufacturing, Ltd. System for therapeutic management of hemodynamic state of patient
US4979110A (en) * 1988-09-22 1990-12-18 Massachusetts Institute Of Technology Characterizing the statistical properties of a biological signal
US5046504A (en) * 1989-02-01 1991-09-10 Corazonix Corporation Method and apparatus for analyzing and interpreting electrocardiograms using spectro-temporal mapping
US4905705A (en) * 1989-03-03 1990-03-06 Research Triangle Institute Impedance cardiometer
US5109862A (en) * 1990-03-19 1992-05-05 Del Mar Avionics Method and apparatus for spectral analysis of electrocardiographic signals
US5178154A (en) * 1990-09-18 1993-01-12 Sorba Medical Systems, Inc. Impedance cardiograph and method of operation utilizing peak aligned ensemble averaging
US5101828A (en) * 1991-04-11 1992-04-07 Rutgers, The State University Of Nj Methods and apparatus for nonivasive monitoring of dynamic cardiac performance

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DE69232267D1 (de) 2002-01-17
US5309917A (en) 1994-05-10
US5443073A (en) 1995-08-22
JPH07503380A (ja) 1995-04-13
EP0606301A4 (en) 1997-12-03
DE69232267T2 (de) 2002-10-24
CA2118930A1 (en) 1993-03-18
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