ATE382292T1 - Vorrichtung und verfahren zur bestimmung von schätzwerten des herzschlagvolumens und des herzzeitvolumens - Google Patents

Vorrichtung und verfahren zur bestimmung von schätzwerten des herzschlagvolumens und des herzzeitvolumens

Info

Publication number
ATE382292T1
ATE382292T1 AT02007310T AT02007310T ATE382292T1 AT E382292 T1 ATE382292 T1 AT E382292T1 AT 02007310 T AT02007310 T AT 02007310T AT 02007310 T AT02007310 T AT 02007310T AT E382292 T1 ATE382292 T1 AT E382292T1
Authority
AT
Austria
Prior art keywords
electrodes
cardiac output
determining estimates
heartbeat volume
stroke volume
Prior art date
Application number
AT02007310T
Other languages
English (en)
Inventor
Donald P Bernstein
Markus J Osypka
Original Assignee
Osypka Medical Gmbh
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 Osypka Medical Gmbh filed Critical Osypka Medical Gmbh
Application granted granted Critical
Publication of ATE382292T1 publication Critical patent/ATE382292T1/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
    • A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/412—Detecting or monitoring sepsis
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring blood output from the heart, e.g. minute volume
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physiology (AREA)
  • Immunology (AREA)
  • Vascular Medicine (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)
AT02007310T 2001-04-03 2002-04-03 Vorrichtung und verfahren zur bestimmung von schätzwerten des herzschlagvolumens und des herzzeitvolumens ATE382292T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/824,942 US6511438B2 (en) 2001-04-03 2001-04-03 Apparatus and method for determining an approximation of the stroke volume and the cardiac output of the heart

Publications (1)

Publication Number Publication Date
ATE382292T1 true ATE382292T1 (de) 2008-01-15

Family

ID=25242713

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02007310T ATE382292T1 (de) 2001-04-03 2002-04-03 Vorrichtung und verfahren zur bestimmung von schätzwerten des herzschlagvolumens und des herzzeitvolumens

Country Status (5)

Country Link
US (1) US6511438B2 (de)
EP (1) EP1247487B1 (de)
AT (1) ATE382292T1 (de)
CA (1) CA2352403C (de)
DE (1) DE60224315T2 (de)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ113799A0 (en) 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
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
US6595927B2 (en) * 2001-07-23 2003-07-22 Medtronic, Inc. Method and system for diagnosing and administering therapy of pulmonary congestion
US7191000B2 (en) * 2001-07-31 2007-03-13 Cardiac Pacemakers, Inc. Cardiac rhythm management system for edema
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
EP1350539B1 (de) * 2002-04-03 2006-10-18 Osypka Medical GmbH Apparat zur automatischen Bestimmung von hämodynamisch optimalen Herzstimulationsparameterwerten
US7096061B2 (en) * 2002-07-03 2006-08-22 Tel-Aviv University Future Technology Development L.P. Apparatus for monitoring CHF patients using bio-impedance technique
SE0202289D0 (sv) * 2002-07-22 2002-07-22 St Jude Medical A congestive heart failure monitor
AU2002951925A0 (en) * 2002-10-09 2002-10-24 Queensland University Of Technology An Impedence Cardiography Device
US8050764B2 (en) * 2003-10-29 2011-11-01 Cardiac Pacemakers, Inc. Cross-checking of transthoracic impedance and acceleration signals
US8414498B2 (en) * 2003-05-12 2013-04-09 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
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
US20050124901A1 (en) * 2003-12-05 2005-06-09 Misczynski Dale J. Method and apparatus for electrophysiological and hemodynamic real-time assessment of cardiovascular fitness of a user
US20060272819A1 (en) * 2004-01-16 2006-12-07 Halliburton Energy Services, Inc. Methods of preparing settable fluids comprising particle-size distribution-adjusting agents, and associated methods
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
WO2005122888A1 (en) 2004-06-18 2005-12-29 The University Of Queensland Oedema detection
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
US8109981B2 (en) * 2005-01-25 2012-02-07 Valam Corporation Optical therapies and devices
US8388545B2 (en) * 2005-02-15 2013-03-05 Cheetah Medical, Inc. 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
CA2609111C (en) 2005-07-01 2016-10-18 Scott Chetham A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation
EP2250963A3 (de) * 2005-07-01 2012-02-29 Intersection Medical, Inc. System zur Überwachung der Lunge
EP1909642A1 (de) * 2005-07-20 2008-04-16 Impedance Cardiology Systems Inc. Indexbestimmung
JP5161772B2 (ja) 2005-08-02 2013-03-13 インぺディメッド リミテッド インピーダンスパラメータ値
DE602005004282T2 (de) 2005-08-17 2008-11-27 Osypka Medical Gmbh Digitale Demodulationsvorrichtung und -verfahren zur Messung der elektrischen Bioimpedanz oder Bioadmittanz
US7917204B2 (en) * 2005-10-11 2011-03-29 St. Jude Medical Ab Method and implantable medical device for measuring an electrical bio-impedance of a patient
ES2476999T3 (es) 2005-10-11 2014-07-15 Impedimed Limited Monitorización del estado de hidratación
CA2653406C (en) 2006-05-30 2015-03-17 The University Of Queensland Impedance measurements
DE102006028533A1 (de) * 2006-06-21 2008-01-03 Iprm Intellectual Property Rights Management Ag Vorrichtung und Computerprogramm zum Bestimmen eines Lungenzustands eines Patienten, welcher durch ein kardiopulmonales Blutvolumen dargestellt wird
WO2008029396A2 (en) 2006-09-05 2008-03-13 N.I. Medical Ltd. Method and system for non-invasive measurement of cardiac parameters
WO2008036011A1 (en) * 2006-09-19 2008-03-27 Gambro Lundia Ab Estimation of propensity to symptomatic hypotension
WO2008064426A1 (en) 2006-11-30 2008-06-05 Impedimed Limited Measurement apparatus
AU2008207332B2 (en) 2007-01-15 2013-05-23 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
EP2131737B1 (de) * 2007-03-07 2015-04-29 Cheetah Medical, Inc. Verfahren und system zur überwachung des schlafes
WO2008119166A1 (en) 2007-03-30 2008-10-09 Z-Tech (Canada) Inc. Active guarding for reduction of resistive and capactive signal loading with adjustable control of compensation level
US8523777B2 (en) * 2007-04-19 2013-09-03 Cheetah Medical, Inc. Method, apparatus and system for predicting electromechanical dissociation
CA2684324C (en) 2007-04-20 2017-05-30 Impedimed Limited Monitoring system and probe
WO2009018620A1 (en) 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
USD625823S1 (en) 2007-08-30 2010-10-19 Cheetah Medical Ltd. Electrode
US8649864B2 (en) * 2007-10-16 2014-02-11 Biotronik Crm Patent Ag Implantable heart stimulator providing long term cardiac monitoring with automatic notification
CA2704061C (en) 2007-11-05 2017-06-20 Impedimed Limited Impedance determination
AU2008207672B2 (en) 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
CN102159132B (zh) 2008-09-22 2015-11-25 奇塔医疗公司 用于确定血流的系统和方法
JP5616900B2 (ja) 2008-11-28 2014-10-29 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ インピーダンス測定処理
NL1036401C2 (nl) * 2009-01-09 2010-07-13 Hemologic Bv Systeem en werkwijze voor het meten van het slagvolume van het hart.
WO2010080033A1 (en) * 2009-01-09 2010-07-15 Hemologic B.V. Method for determining the stroke volume of a heart, method for determining the electrode positions therefor, and sheet shaped device therefor
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
WO2010129513A2 (en) * 2009-05-05 2010-11-11 Robert Peter Blankfield Evaluation of stroke volume differential as it relates to cardiovascular health
US20100324404A1 (en) 2009-06-22 2010-12-23 Analogic Corporation Icg/ecg monitoring apparatus
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
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
US9320445B2 (en) 2011-05-17 2016-04-26 Siemens Medical Solutions Usa, Inc. System for cardiac condition detection responsive to blood pressure analysis
KR102209543B1 (ko) 2011-07-25 2021-01-29 치타 메디컬, 인코퍼레이티드 혈류역학 감시 방법 및 시스템
US9049994B2 (en) 2011-09-21 2015-06-09 Siemens Medical Solutions Usa, Inc. System for cardiac arrhythmia detection and characterization
US9895069B2 (en) 2011-11-29 2018-02-20 King Saud University Systems and methods to measure fluid in a body segment
WO2013081586A1 (en) * 2011-11-29 2013-06-06 King Saud University Systems and methods to measure fluid in a body segment
US8700121B2 (en) 2011-12-14 2014-04-15 Intersection Medical, Inc. Devices for determining the relative spatial change in subsurface resistivities across frequencies in tissue
JP5684960B2 (ja) * 2012-12-27 2015-03-18 医療法人後田内科クリニック 胸郭インピーダンスデータに基づく心房細動や洞不整脈の心機能表示方法、心機能評価システム、及び心機能データ評価プログラム
US9332941B2 (en) * 2012-12-31 2016-05-10 Tosense, Inc. Body-worn sensor for characterizing patients with heart failure
US20140236027A1 (en) * 2013-02-20 2014-08-21 Perminova Inc. Necklace-shaped physiological monitor
US9402549B2 (en) 2013-11-27 2016-08-02 General Electric Company Methods and apparatus to estimate ventricular volumes
EP3212097B1 (de) 2014-10-30 2018-07-11 Peter Osypka Stiftung Transmyokardiale einsetzeinheit
US10588577B2 (en) 2015-01-29 2020-03-17 Siemens Healthcare Gmbh Patient signal analysis based on affine template matching
US9451888B1 (en) 2015-03-27 2016-09-27 Cordeus, Inc. Method and apparatus for determination of left ventricular stroke volume and cardiac output using the arteries of the forearm
EP3090766B1 (de) 2015-05-06 2017-08-16 Peter Osypka Stiftung Vorrichtung zur regulierung der vitalen parameter des herz-kreislaufsystems
US11696715B2 (en) 2015-07-10 2023-07-11 Bodyport Inc. Cardiovascular signal acquisition, fusion, and noise mitigation
US11197628B2 (en) 2015-07-10 2021-12-14 Bodyport Inc. Cardiovascular health monitoring device
EP3481290A4 (de) * 2016-07-06 2020-01-22 ChemImage Corporation System und verfahren zur erkennung von ödemen
US11478646B2 (en) * 2016-07-14 2022-10-25 Board Of Regents, The University Of Texas System Method and apparatus for monitoring a patient
US10524668B2 (en) 2018-02-05 2020-01-07 Aerobex, Inc. Method and apparatus for determination of left ventricular stroke volume and cardiac output using the arteries of the forearm by means of integration technique
EP3581100A1 (de) 2018-06-11 2019-12-18 Polar Electro Oy Bioimpedanzmesskonfiguration
EP3581099A1 (de) 2018-06-11 2019-12-18 Polar Electro Oy Hubvolumenmessungen in der trainingsführung
EP3621082B1 (de) 2018-09-10 2026-03-18 Polar Electro Oy Synchronisierung von physiologischen messdatenströmen
WO2020163338A1 (en) 2019-02-04 2020-08-13 Chemimage Corporation Quantification of heart failure using molecular chemical imaging
CN113208579A (zh) * 2021-05-10 2021-08-06 山东凯迪泰科智能系统有限公司 一种心胸导联装置及方法
US12502092B2 (en) 2021-08-31 2025-12-23 SeeMedX, Inc. Bio electric impedance monitors, electrode arrays and method of use
CN114129146B (zh) * 2021-11-25 2025-04-15 点奇生物医疗科技(北京)有限公司 肺灌注的阻抗数据的分析装置、分析方法及介质
EE05882B1 (et) * 2022-03-29 2025-07-15 Tallinna Tehnikaülikool Impedantskardiograafia seade
CN116098601B (zh) * 2023-02-09 2023-09-19 山东埃尔法智慧医疗科技有限公司 一种无创心输出量参数的验证方法及设备
CN117281494B (zh) * 2023-11-27 2024-03-12 安徽通灵仿生科技有限公司 一种动脉血压信号的信号特征点识别方法及装置
CN119655730B (zh) * 2025-02-20 2025-05-23 天津工业大学 一种无创多频点心排量监测方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340867A (en) 1964-08-19 1967-09-12 Univ Minnesota Impedance plethysmograph
US4562843A (en) * 1980-09-29 1986-01-07 Ljubomir Djordjevich System for determining characteristics of blood flow
US4450527A (en) 1982-06-29 1984-05-22 Bomed Medical Mfg. Ltd. Noninvasive continuous cardiac output monitor
GB8431500D0 (en) 1984-12-13 1985-01-23 Antec Systems Measurement of thoracic impedances
US4836214A (en) 1986-12-01 1989-06-06 Bomed Medical Manufacturing, Ltd. Esophageal electrode array for electrical bioimpedance measurement
US4807638A (en) 1987-10-21 1989-02-28 Bomed Medical Manufacturing, Ltd. Noninvasive continuous mean arterial blood prssure monitor
US5103828A (en) 1988-07-14 1992-04-14 Bomed Medical Manufacturing, Ltd. System for therapeutic management of hemodynamic state of patient
US5178154A (en) 1990-09-18 1993-01-12 Sorba Medical Systems, Inc. Impedance cardiograph and method of operation utilizing peak aligned ensemble averaging
US5211177A (en) 1990-12-28 1993-05-18 Regents Of The University Of Minnesota Vascular impedance measurement instrument
US5309917A (en) 1991-09-12 1994-05-10 Drexel University System and method of impedance cardiography and heartbeat determination
US5423326A (en) * 1991-09-12 1995-06-13 Drexel University Apparatus and method for measuring cardiac output
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
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
DE19533663A1 (de) 1995-09-12 1997-03-13 Heinemann & Gregori Gmbh Verfahren und Vorrichtung zur Herzzeitvolumenbestimmung
US5685316A (en) * 1996-04-08 1997-11-11 Rheo-Graphic Pte Ltd. Non-invasive monitoring of hemodynamic parameters using impedance cardiography
US6016445A (en) 1996-04-16 2000-01-18 Cardiotronics Method and apparatus for electrode and transthoracic impedance estimation
US6058325A (en) 1996-04-16 2000-05-02 Cardiotronics Method and apparatus for high current electrode, transthoracic and transmyocardial impedance estimation
US5782774A (en) 1996-04-17 1998-07-21 Imagyn Medical Technologies California, Inc. Apparatus and method of bioelectrical impedance analysis of blood flow
US5791349A (en) 1996-04-17 1998-08-11 Urohealth, Inc. Apparatus and method of bioelectrical impedance analysis of blood flow
US6186955B1 (en) 1998-11-16 2001-02-13 Gail D. Baura Noninvasive continuous cardiac output monitor
DE19914437A1 (de) * 1999-03-30 2000-10-05 Hans Karl Seifert Mathematische Formel zur Berechnung des Herzschlagvolumens aus der DELTA Z - Kurve des Impedanzkardiogramms

Also Published As

Publication number Publication date
CA2352403C (en) 2010-05-25
CA2352403A1 (en) 2002-10-03
US20020193689A1 (en) 2002-12-19
EP1247487A1 (de) 2002-10-09
DE60224315D1 (de) 2008-02-14
US6511438B2 (en) 2003-01-28
DE60224315T2 (de) 2008-07-03
EP1247487B1 (de) 2008-01-02

Similar Documents

Publication Publication Date Title
DE60224315D1 (de) Vorrichtung und Verfahren zur Bestimmung von Schätzwerten des Herzschlagvolumens und des Herzzeitvolumens
ATE405321T1 (de) Vorrichtung zur bestimmung von herzfunktionsparametern
ATE249265T1 (de) Vorrichtung und katheter zur in-vivo-bestimmung von blutviskosität
WO2002100247A3 (en) Non-invasive method and apparatus for tissue detection
ATE304812T1 (de) Verfahren zur lebenderkennung menschlicher haut
ATE506007T1 (de) Bestimmung von biologischen konditionen mittels impedanzmessungen
DE60223548D1 (de) System und verfahren zum messung von bioelektrischem widerstand in gegenwart von störungen
DE602005021505D1 (de) Verfahren und system zur überwachung von beatmungen
TWI503141B (zh) Beauty equipment
ATA15172002A (de) Medizinisches elektroden-element
EP1275342A3 (de) Vorrichtung und Verfahren zur Herzzeitvolumenbestimmung eines Lebewesens
ATE281786T1 (de) System zur fingeroberflächenmustermessung in echtzeit
US9594104B2 (en) Simultaneous impedance testing method and apparatus
KR101947676B1 (ko) 생체 신호를 측정하는 장치 및 방법
DE502004009820D1 (de) Behältnis und Vorrichtung zur Erzeugung von elektrischen Feldern in einzelnen Reaktionsräumen
EP0420980A4 (en) Apparatus for measuring data of living body
WO2007111542A8 (en) Medical system for monitoring and localisation of electrode leads in the heart
JP2001037735A (ja) 生体インピーダンス測定装置
JP3234094B2 (ja) 皮膚インピーダンスの測定装置
JP2007014552A5 (de)
DE69824894D1 (de) Verfahren zur messung der elektrischen leitfähigkeit von organgewebe
KR20070006020A (ko) 다중 주파수를 이용하는 2극식 체지방 측정 기술
RU2033785C1 (ru) Способ определения характеристических параметров при диагностике беременности и заболеваний женской половой сферы и устройство для его осуществления
JPH0616754B2 (ja) 生体インピーダンス測定装置
ATE398416T1 (de) Vorrichtung und verfahren zur direkten messung des ph-wertes und des oxidationszustandes

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 1247487

Country of ref document: EP