CA2707419A1 - Impedance measurement process - Google Patents

Impedance measurement process Download PDF

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Publication number
CA2707419A1
CA2707419A1 CA2707419A CA2707419A CA2707419A1 CA 2707419 A1 CA2707419 A1 CA 2707419A1 CA 2707419 A CA2707419 A CA 2707419A CA 2707419 A CA2707419 A CA 2707419A CA 2707419 A1 CA2707419 A1 CA 2707419A1
Authority
CA
Canada
Prior art keywords
electrodes
impedance
measurement
site
determining
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.)
Abandoned
Application number
CA2707419A
Other languages
English (en)
French (fr)
Inventor
Bruce Herbert Cornish
Brian John Thomas
Jye Geoffrey Smith
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.)
Impedimed Ltd
Original Assignee
Individual
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
Priority claimed from AU2007904287A external-priority patent/AU2007904287A0/en
Application filed by Individual filed Critical Individual
Publication of CA2707419A1 publication Critical patent/CA2707419A1/en
Abandoned 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
    • A61B5/05—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
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7282—Event detection, e.g. detecting unique waveforms indicative of a medical condition
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0214—Capacitive electrodes
    • 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
    • A61B5/05—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
    • A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4318—Evaluation of the lower reproductive system
    • A61B5/4331—Evaluation of the lower reproductive system of the cervix
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/44—Detecting, measuring or recording for evaluating the integumentary system, e.g. skin, hair or nails
    • A61B5/441—Skin evaluation, e.g. for skin disorder diagnosis
    • A61B5/444—Evaluating skin marks, e.g. mole, nevi, tumour, scar

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (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)
CA2707419A 2007-08-09 2008-08-07 Impedance measurement process Abandoned CA2707419A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2007904287A AU2007904287A0 (en) 2007-08-09 Impedance measurement process
AU2007904287 2007-08-09
PCT/AU2008/001145 WO2009018620A1 (en) 2007-08-09 2008-08-07 Impedance measurement process

Publications (1)

Publication Number Publication Date
CA2707419A1 true CA2707419A1 (en) 2009-02-12

Family

ID=40340887

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2707419A Abandoned CA2707419A1 (en) 2007-08-09 2008-08-07 Impedance measurement process

Country Status (6)

Country Link
US (2) US20110046505A1 (enExample)
EP (1) EP2175776B1 (enExample)
JP (1) JP5542050B2 (enExample)
AU (1) AU2008286194B2 (enExample)
CA (1) CA2707419A1 (enExample)
WO (1) WO2009018620A1 (enExample)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1898784B1 (en) 2005-07-01 2016-05-18 Impedimed Limited Method and apparatus for performing impedance measurements
EP2449964B1 (en) 2005-07-01 2016-08-10 Impedimed Limited Connector for Impedance Measurement System
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
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
AU2008241356B2 (en) 2007-04-20 2013-10-03 Impedimed Limited Monitoring system and probe
AU2008286194B2 (en) 2007-08-09 2014-05-15 Impedimed Limited Impedance measurement process
AU2008207672B2 (en) 2008-02-15 2013-10-31 Impedimed Limited Impedance Analysis
US9615766B2 (en) 2008-11-28 2017-04-11 Impedimed Limited Impedance measurement process
EP2391267B1 (en) * 2009-01-27 2019-11-06 Scibase Ab Switch probe for multiple electrode measurement of impedance
GB2471873B (en) * 2009-07-15 2015-09-23 Wzvi Ltd Electrical impedance imaging
EP2305112A1 (de) * 2009-10-01 2011-04-06 seca ag Bioimpedanzmessvorrichtung
CA2777797A1 (en) 2009-10-26 2011-05-05 Impedimed Limited Fluid level indicator determination
JP5755234B2 (ja) 2009-11-18 2015-07-29 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ 患者−電極間測定のための装置およびシステム
PL3581105T3 (pl) 2010-05-08 2022-11-28 The Regents Of The University Of California Urządzenie do wczesnego wykrywania owrzodzenia przez skanowanie uwodnienia podnaskórkowego
ITMI20111177A1 (it) * 2011-06-28 2012-12-29 St Microelectronics Srl Metodo e dispositivo per misurare l'impedenza elettrica di tessuti biologici
CN103006199B (zh) * 2011-09-26 2016-09-28 三星电子株式会社 用于测量生物信号的设备和方法
AU2012351988B2 (en) 2011-12-14 2017-05-04 Impedimed Limited Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
US9113805B2 (en) 2013-03-04 2015-08-25 Mortara Instrument, Inc. Impedance measurement system
JP6079436B2 (ja) * 2013-05-27 2017-02-15 富士通株式会社 半導体装置
EP3027109B1 (en) * 2013-07-29 2024-12-04 The Regents of The University of Michigan Evaluating cardiovascular health using intravascular volume
US11501143B2 (en) 2013-10-11 2022-11-15 Hrl Laboratories, Llc Scalable integrated circuit with synaptic electronics and CMOS integrated memristors
GB2524470B (en) * 2014-02-16 2019-04-17 Wang Wei An apparatus and method for "high-resolution" electrical impedance imaging
AT516499B1 (de) 2015-04-22 2016-06-15 Skrabal Falko Dr Körperimpedanz-Messgerät
AU2016250527B2 (en) 2015-04-24 2021-01-14 Bruin Biometrics, Llc Apparatus and methods for determining damaged tissue using sub-epidermal moisture measurements
EP3322335B1 (en) * 2015-07-16 2021-01-20 Impedimed Limited Fluid level determination
KR102822726B1 (ko) * 2017-01-24 2025-06-18 삼성전자주식회사 생체 임피던스 측정 장치 및 방법과, 생체 정보 측정 장치 및 방법
FI3515296T3 (fi) 2017-02-03 2023-12-21 Bbi Medical Innovations Llc Kudoksen elinkelpoisuuden mittaus
NZ773584A (en) 2017-02-03 2025-07-25 Bbi Medical Innovations Llc Measurement of susceptibility to diabetic foot ulcers
CA3042101C (en) 2017-02-03 2024-04-09 Bruin Biometrics, Llc Measurement of edema
MX2020005138A (es) 2017-11-16 2020-08-17 Bruin Biometrics Llc Tratamiento estrategico de ulceras por presion por el uso de valores humedad subepidermica.
GB2584226B (en) 2018-02-09 2022-06-22 Bruin Biometrics Llc Detection of tissue damage
JP7361732B2 (ja) * 2018-06-22 2023-10-16 ユニヴェルシテ・ドゥ・レンヌ・１ 媒体の物理的パラメータを推定するためのシステム及び方法
DK4283799T3 (da) 2018-10-11 2025-04-22 Bruin Biometrics Llc Indretning med engangselement
GB2590442B (en) * 2019-12-18 2022-06-08 Qinetiq Ltd Imaging system
CN113425280B (zh) * 2020-03-19 2023-10-31 芯海科技（深圳）股份有限公司 人体阻抗异常测量的识别方法、测量设备及存储介质
CN113796848B (zh) * 2020-05-29 2024-02-06 芯海科技（深圳）股份有限公司 一种人体阻抗测量方法、设备及计算机可读存储介质
KR102478292B1 (ko) * 2020-12-21 2022-12-16 주식회사 바이랩 반복적으로 고주파 전류를 주입하거나 전압을 인가하는 동안에 저주파 생체신호를 측정하는 장치 및 그 방법
US11642075B2 (en) 2021-02-03 2023-05-09 Bruin Biometrics, Llc Methods of treating deep and early-stage pressure induced tissue damage

Family Cites Families (317)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1344459A (fr) * 1962-10-18 1963-11-29 Procédé et appareil pour l'étude électrique des organismes vivants
USRE30101E (en) * 1964-08-19 1979-09-25 Regents Of The University Of Minnesota Impedance plethysmograph
US4314563A (en) * 1970-09-24 1982-02-09 The United States Of America As Represented By The Administrator Of The Veterans Administration Apparatus for measuring relative changes in blood volume in a portion of an animal body to detect a venous occlusion
US3834374A (en) * 1972-04-06 1974-09-10 M Ensanian Diagnostic electrical scanning
DE2316326A1 (de) 1972-05-08 1973-11-29 Siepem Fa Kombiniertes geraet zur hygiene des haares und zur gesichtspflege
US3871359A (en) * 1973-06-25 1975-03-18 Interscience Technology Corp Impedance measuring system
US3851641A (en) * 1973-11-29 1974-12-03 J Toole Method and apparatus for determining internal impedance of animal body part
US3996924A (en) * 1974-06-19 1976-12-14 Wheeler H Brownell Occlusive impedance phlebograph and method therefor
US4008712A (en) * 1975-11-14 1977-02-22 J. M. Richards Laboratories Method for monitoring body characteristics
FR2354744A1 (fr) 1976-06-16 1978-01-13 Commissariat Energie Atomique Dispositif de rheoplethysmographie par occlusion
US4034854A (en) * 1976-07-16 1977-07-12 M I Systems, Inc. Electrode package
US4082087A (en) 1977-02-07 1978-04-04 Isis Medical Instruments Body contact electrode structure for deriving electrical signals due to physiological activity
US4184486A (en) * 1977-08-11 1980-01-22 Radelkis Elektrokemiai Muszergyarto Szovetkezet Diagnostic method and sensor device for detecting lesions in body tissues
IL53286A (en) * 1977-11-02 1980-01-31 Yeda Res & Dev Apparatus and method for detection of tumors in tissue
US4458694A (en) * 1977-11-02 1984-07-10 Yeda Research & Development Co., Ltd. Apparatus and method for detection of tumors in tissue
US4365634A (en) * 1979-12-06 1982-12-28 C. R. Bard, Inc. Medical electrode construction
US4353372A (en) * 1980-02-11 1982-10-12 Bunker Ramo Corporation Medical cable set and electrode therefor
US4407300A (en) * 1980-07-14 1983-10-04 Davis Robert E Potentiometric diagnosis of cancer in vivo
JPS5772627A (en) * 1980-10-21 1982-05-07 Tokyo Shibaura Electric Co Apparatus for detecting abnormal cell
US4401356A (en) * 1980-11-24 1983-08-30 C. R. Bard, Inc. Electrical terminal
US4942880A (en) * 1981-01-28 1990-07-24 Ceske Vysoke Uceni Technicke V Praze Method for non-invasive electric diagnosis and therapy in hemodialysis and general medicine
US4407288B1 (en) * 1981-02-18 2000-09-19 Mieczyslaw Mirowski Implantable heart stimulator and stimulation method
IL62861A (en) * 1981-05-13 1988-01-31 Yeda Res & Dev Method and apparatus for carrying out electric tomography
CA1196691A (en) * 1982-01-12 1985-11-12 Bradley Fry Reconstruction system and methods for impedance imaging
SE455043B (sv) * 1982-04-22 1988-06-20 Karolinska Inst Anordning for overvakning av menniskokroppens vetskebalans genom metning av kroppens impedans
US4617939A (en) * 1982-04-30 1986-10-21 The University Of Sheffield Tomography
US4450527A (en) * 1982-06-29 1984-05-22 Bomed Medical Mfg. Ltd. Noninvasive continuous cardiac output monitor
GB2126732B (en) * 1982-09-02 1986-01-15 British Telecomm Impedance measurement in 4-wire to 2-wire converters
US4557271A (en) * 1983-05-11 1985-12-10 Stoller Kenneth P Method and apparatus for detecting body illness, dysfunction, disease and/or pathology
FR2557318A1 (fr) * 1983-12-26 1985-06-28 A2F Dispositif electronique assurant une interface universelle entre des capteurs et un appareil de saisie et de traitement des signaux en provenance de ces capteurs
US4583549A (en) * 1984-05-30 1986-04-22 Samir Manoli ECG electrode pad
US4646754A (en) * 1985-02-19 1987-03-03 Seale Joseph B Non-invasive determination of mechanical characteristics in the body
US4688580A (en) * 1985-07-11 1987-08-25 The Johns Hopkins University Non-invasive electromagnetic technique for monitoring bone healing and bone fracture localization
US4686477A (en) * 1985-09-30 1987-08-11 Mobil Oil Corporation Multiple frequency electric excitation method and identifying complex lithologies of subsurface formations
US4763660A (en) * 1985-12-10 1988-08-16 Cherne Industries, Inc. Flexible and disposable electrode belt device
US4836214A (en) 1986-12-01 1989-06-06 Bomed Medical Manufacturing, Ltd. Esophageal electrode array for electrical bioimpedance measurement
US4832608A (en) * 1987-05-22 1989-05-23 Cherne Medical, Inc. Electrode belt adapter
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
US4911175A (en) * 1987-09-17 1990-03-27 Diana Twyman Method for measuring total body cell mass and total extracellular mass by bioelectrical resistance and reactance
US4924875A (en) * 1987-10-09 1990-05-15 Biometrak Corporation Cardiac biopotential analysis system and method
JPH01288233A (ja) 1988-02-20 1989-11-20 Hiroshi Motoyama 生体情報測定装置
US5184624A (en) 1988-04-15 1993-02-09 The University Of Sheffield Electrical impedance tomography
US4928690A (en) 1988-04-25 1990-05-29 Lifecor, Inc. Portable device for sensing cardiac function and automatically delivering electrical therapy
US5078134A (en) * 1988-04-25 1992-01-07 Lifecor, Inc. Portable device for sensing cardiac function and automatically delivering electrical therapy
US4895163A (en) * 1988-05-24 1990-01-23 Bio Analogics, Inc. System for body impedance data acquisition
US4951682A (en) * 1988-06-22 1990-08-28 The Cleveland Clinic Foundation Continuous cardiac output by impedance measurements in the heart
US5020541A (en) 1988-07-13 1991-06-04 Physio-Control Corporation Apparatus for sensing lead and transthoracic impedances
US4890630A (en) * 1989-01-23 1990-01-02 Cherne Medical, Inc. Bio-electric noise cancellation system
US5511553A (en) * 1989-02-15 1996-04-30 Segalowitz; Jacob Device-system and method for monitoring multiple physiological parameters (MMPP) continuously and simultaneously
US4905705A (en) * 1989-03-03 1990-03-06 Research Triangle Institute Impedance cardiometer
IL91193A (en) * 1989-08-02 1996-01-19 Yeda Res & Dev Tumor detection system
US5086781A (en) * 1989-11-14 1992-02-11 Bookspan Mark A Bioelectric apparatus for monitoring body fluid compartments
GB9013177D0 (en) * 1990-06-13 1990-08-01 Brown Brian H Real-time imaging, etc.
US5063937A (en) * 1990-09-12 1991-11-12 Wright State University Multiple frequency bio-impedance measurement system
US5272624A (en) 1990-10-02 1993-12-21 Rensselaer Polytechnic Institute Current patterns for impedance tomography
US5526808A (en) * 1990-10-04 1996-06-18 Microcor, Inc. Method and apparatus for noninvasively determining hematocrit
SE466987B (sv) 1990-10-18 1992-05-11 Stiftelsen Ct Foer Dentaltekni Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans
US5199432A (en) * 1990-10-30 1993-04-06 American Home Products Corporation Fetal electrode product for use in monitoring fetal heart rate
EP0487776A1 (de) 1990-11-29 1992-06-03 Siemens Aktiengesellschaft Verfahren und Vorrichtung zum Bestimmen eines Parameters während der Abgabe eines elektrischen Impulses an biologisches Gewebe
DE4100568A1 (de) * 1991-01-11 1992-07-16 Fehling Guido Vorrichtung zur ueberwachung eines patienten auf abstossungsreaktionen eines implantierten organs
US5101828A (en) * 1991-04-11 1992-04-07 Rutgers, The State University Of Nj Methods and apparatus for nonivasive monitoring of dynamic cardiac performance
US5280429A (en) * 1991-04-30 1994-01-18 Xitron Technologies Method and apparatus for displaying multi-frequency bio-impedance
US5197479A (en) * 1991-05-13 1993-03-30 Mortara Instrument Automatic electrode channel impedance measurement system for egg monitor
JPH05196681A (ja) * 1991-06-26 1993-08-06 Digital Equip Corp <Dec> 連続移動する電気回路の相互接続試験方法及び装置
US5544662A (en) * 1991-07-09 1996-08-13 Rensselaer Polytechnic Institute High-speed electric tomography
US5284142A (en) 1991-12-16 1994-02-08 Rensselaer Polytechnic Institute Three-dimensional impedance imaging processes
US5390110A (en) 1991-07-09 1995-02-14 Rensselaer Polytechnic Institute Layer stripping process for impedance imaging
US5588429A (en) * 1991-07-09 1996-12-31 Rensselaer Polytechnic Institute Process for producing optimal current patterns for electrical impedance tomography
US5381333A (en) 1991-07-23 1995-01-10 Rensselaer Polytechnic Institute Current patterns for electrical impedance tomography
GB9116215D0 (en) * 1991-07-26 1991-09-11 Nat Res Dev Electrical impedance tomography
US5423326A (en) * 1991-09-12 1995-06-13 Drexel University Apparatus and method for measuring cardiac output
US5309917A (en) * 1991-09-12 1994-05-10 Drexel University System and method of impedance cardiography and heartbeat determination
DE4134960A1 (de) * 1991-10-23 1993-04-29 Popp Fritz Albert Dr Verfahren zur ganzheitlichen analyse des gesundheitszustandes
US5305192A (en) * 1991-11-01 1994-04-19 Linear Technology Corporation Switching regulator circuit using magnetic flux-sensing
US5415164A (en) * 1991-11-04 1995-05-16 Biofield Corp. Apparatus and method for screening and diagnosing trauma or disease in body tissues
US5906614A (en) * 1991-11-08 1999-05-25 Ep Technologies, Inc. Tissue heating and ablation systems and methods using predicted temperature for monitoring and control
US5415176A (en) 1991-11-29 1995-05-16 Tanita Corporation Apparatus for measuring body fat
US5351697A (en) 1991-12-16 1994-10-04 Rensseleaer Polytechnic Institute Three-dimensional impedance imaging process
US5282840A (en) 1992-03-26 1994-02-01 Medtronic, Inc. Multiple frequency impedance measurement system
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
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
US5372141A (en) * 1992-07-01 1994-12-13 Body Composition Analyzers, Inc. Body composition analyzer
US5231990A (en) 1992-07-09 1993-08-03 Spacelabs, Medical, Inc. Application specific integrated circuit for physiological monitoring
GB9222888D0 (en) * 1992-10-30 1992-12-16 British Tech Group Tomography
WO1994010922A1 (en) 1992-11-13 1994-05-26 Ep Technologies, Inc. Cardial ablation systems using temperature monitoring
US5335667A (en) 1992-11-20 1994-08-09 University Of Utah Research Foundation Method and apparatus for determining body composition using bioelectrical impedance
US5557210A (en) * 1992-11-20 1996-09-17 Pacesetter, Inc. Universal cable connector for temporarily connecting implantable stimulation leads and implantable stimulation devices with a non-implantable system analyzer
GB9226376D0 (en) * 1992-12-18 1993-02-10 British Tech Group Tomography
DE4243628A1 (de) 1992-12-22 1994-06-23 Siemens Ag Vorrichtung zur nichtinvasiven Bestimmung der räumlichen Verteilung der elektrischen Impedanz im Innern eines Lebewesens
GB9312327D0 (en) * 1993-06-15 1993-07-28 British Tech Group Laser ultrasound probe and ablator
US5454377A (en) * 1993-10-08 1995-10-03 The Ohio State University Method for measuring the myocardial electrical impedance spectrum
ZA948393B (en) * 1993-11-01 1995-06-26 Polartechnics Ltd Method and apparatus for tissue type recognition
US5964703A (en) 1994-01-14 1999-10-12 E-Z-Em, Inc. Extravasation detection electrode patch
US5947910A (en) 1994-01-14 1999-09-07 E-Z-Em, Inc. Extravasation detection technique
WO1995024155A1 (en) * 1994-03-11 1995-09-14 British Technology Group Limited Electrical impedance tomography
AU1328595A (en) * 1994-06-20 1996-01-15 Auckland Uniservices Limited Brain damage monitor
US5704355A (en) * 1994-07-01 1998-01-06 Bridges; Jack E. Non-invasive system for breast cancer detection
US5505209A (en) 1994-07-07 1996-04-09 Reining International, Ltd. Impedance cardiograph apparatus and method
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
US5810742A (en) * 1994-10-24 1998-09-22 Transcan Research & Development Co., Ltd. Tissue characterization based on impedance images and on impedance measurements
US6678552B2 (en) 1994-10-24 2004-01-13 Transscan Medical Ltd. Tissue characterization based on impedance images and on impedance measurements
US5615689A (en) 1994-12-12 1997-04-01 St. Luke's-Roosevelt Hospital Method of predicting body cell mass using bioimpedance analysis
US5562607A (en) * 1995-01-18 1996-10-08 Alza Corporation Electrotransport device having reusable controller power saver
US5503157A (en) * 1995-03-17 1996-04-02 Sramek; Bohumir System for detection of electrical bioimpedance signals
US5557242A (en) * 1995-05-22 1996-09-17 Motorola, Inc. Method and apparatus for dielectric absorption compensation
US5575929A (en) 1995-06-05 1996-11-19 The Regents Of The University Of California Method for making circular tubular channels with two silicon wafers
US5919142A (en) * 1995-06-22 1999-07-06 Btg International Limited Electrical impedance tomography method and apparatus
NL1001282C2 (nl) 1995-09-26 1997-03-28 A J Van Liebergen Holding B V Inrichting voor slagvolumebepaling van een menselijk hart.
US5807272A (en) * 1995-10-31 1998-09-15 Worcester Polytechnic Institute Impedance spectroscopy system for ischemia monitoring and detection
GB9524968D0 (en) * 1995-12-06 1996-02-07 Brown Brian H Impedance pneumography
US5827184A (en) 1995-12-29 1998-10-27 Minnesota Mining And Manufacturing Company Self-packaging bioelectrodes
US5792073A (en) * 1996-01-23 1998-08-11 Boys Town National Research Hospital System and method for acoustic response measurement in the ear canal
US5685316A (en) 1996-04-08 1997-11-11 Rheo-Graphic Pte Ltd. Non-invasive monitoring of hemodynamic parameters using impedance cardiography
US6011992A (en) * 1996-05-09 2000-01-04 Church Of Spirtual Technology System for measuring and indicating changes in the resistance of a living body
JP2000514917A (ja) 1996-06-26 2000-11-07 ユニバーシティー オブ ユタ リサーチ ファンデーション 広帯域電磁ホログラフィック画像化方法
US5749369A (en) 1996-08-09 1998-05-12 R.S. Medical Monitoring Ltd. Method and device for stable impedance plethysmography
US5732710A (en) * 1996-08-09 1998-03-31 R.S. Medical Monitoring Ltd. Method and device for stable impedance plethysmography
US5759159A (en) * 1996-09-25 1998-06-02 Ormco Corporation Method and apparatus for apical detection with complex impedance measurement
CA2191285A1 (en) * 1996-11-26 1998-05-26 Philip Maurice Church Electrode arrangement for electrical impedance tomography system
US5876353A (en) 1997-01-31 1999-03-02 Medtronic, Inc. Impedance monitor for discerning edema through evaluation of respiratory rate
US5957861A (en) * 1997-01-31 1999-09-28 Medtronic, Inc. Impedance monitor for discerning edema through evaluation of respiratory rate
ES2151774B1 (es) 1997-03-06 2001-07-01 Nte Sa Aparato y procedimiento para la medida de volumenes y composicion corporal global y segmental en seres humanos.
US6026323A (en) 1997-03-20 2000-02-15 Polartechnics Limited Tissue diagnostic system
US6129666A (en) 1997-04-04 2000-10-10 Altec, Inc. Biomedical electrode
US5788643A (en) * 1997-04-22 1998-08-04 Zymed Medical Instrumentation, Inc. Process for monitoring patients with chronic congestive heart failure
TW472028B (en) 1997-05-23 2002-01-11 Kyrosha Co Ltd Titanium oxide-containing material and process for preparing the same
US7628761B2 (en) 1997-07-01 2009-12-08 Neurometrix, Inc. Apparatus and method for performing nerve conduction studies with localization of evoked responses
WO1999012470A1 (en) 1997-09-11 1999-03-18 West Virginia University Research Corp. Electrical property enhanced tomography (epet) apparatus and method
US6745070B2 (en) 1997-10-03 2004-06-01 Tasc Ltd. High definition electrical impedance tomography
US6018677A (en) * 1997-11-25 2000-01-25 Tectrix Fitness Equipment, Inc. Heart rate monitor and method
US6125297A (en) * 1998-02-06 2000-09-26 The United States Of America As Represented By The United States National Aeronautics And Space Administration Body fluids monitor
US6006125A (en) * 1998-02-12 1999-12-21 Unilead International Inc. Universal electrocardiogram sensor positioning device and method
US6370419B2 (en) 1998-02-20 2002-04-09 University Of Florida Method and apparatus for triggering an event at a desired point in the breathing cycle
WO1999048422A1 (de) 1998-03-24 1999-09-30 Siemens Aktiengesellschaft Verfahren zum lokalisieren und identifizieren von signalaktivitäten mindestens eines begrenzten raumgebiets in einem biologischen gewebeabschnitt
US6115626A (en) 1998-03-26 2000-09-05 Scimed Life Systems, Inc. Systems and methods using annotated images for controlling the use of diagnostic or therapeutic instruments in instruments in interior body regions
US6354996B1 (en) 1998-04-15 2002-03-12 Braun Gmbh Body composition analyzer with trend display
US6122544A (en) * 1998-05-01 2000-09-19 Organ; Leslie William Electrical impedance method and apparatus for detecting and diagnosing diseases
US6280396B1 (en) 1998-08-03 2001-08-28 American Weights And Measures Apparatus and method for measuring body composition
US6469732B1 (en) 1998-11-06 2002-10-22 Vtel Corporation Acoustic source location using a microphone array
US6142949A (en) * 1998-11-24 2000-11-07 Ortivus Ab Lead protection and identification system
DE19857090A1 (de) 1998-12-10 2000-06-29 Stephan Boehm Verfahren zur regionalen Bestimmung des alveolären Öffnens und des alveolären Schließens der Lunge
US6167300A (en) 1999-03-08 2000-12-26 Tci Incorporated Electric mammograph
AUPP974599A0 (en) 1999-04-14 1999-05-06 Resmed Limited Detection and classification of breathing patterns
US6298255B1 (en) 1999-06-09 2001-10-02 Aspect Medical Systems, Inc. Smart electrophysiological sensor system with automatic authentication and validation and an interface for a smart electrophysiological sensor system
TW436276B (en) 1999-06-30 2001-05-28 Ind Tech Res Inst Device for detecting leads-off condition in a multi-electrode medical diagnosis system and method thereof
US6512949B1 (en) 1999-07-12 2003-01-28 Medtronic, Inc. Implantable medical device for measuring time varying physiologic conditions especially edema and for responding thereto
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
WO2001028416A1 (en) 1999-09-24 2001-04-26 Healthetech, Inc. Physiological monitor and associated computation, display and communication unit
CA2387998A1 (en) 1999-10-12 2001-04-19 Gerald Wiegand Highly time resolved impedance spectroscopy
EP1466554B1 (en) 1999-10-12 2008-01-09 Tanita Corporation Living body measuring apparatus
JP2001187035A (ja) 1999-12-28 2001-07-10 Tanita Corp 患部回復度判定装置
DE50104761D1 (de) 2000-01-18 2005-01-13 Siemens Ag Messanordnung zur untersuchung eines gewebeabschnitts eines patienten
JP2001198098A (ja) 2000-01-21 2001-07-24 Tanita Corp むくみ測定方法及びむくみ測定装置
JP2001212098A (ja) 2000-01-31 2001-08-07 Tanita Corp ワンチップに集積回路化した生体電気インピーダンス測定装置
US7499745B2 (en) 2000-02-28 2009-03-03 Barbara Ann Karmanos Cancer Institute Multidimensional bioelectrical tissue analyzer
US6432045B2 (en) 2000-03-31 2002-08-13 Artes Medical Urethra surgical device
CA2405848C (en) 2000-04-17 2010-11-09 Vivometrics, Inc. Systems and methods for ambulatory monitoring of physiological signs
CA2406156A1 (en) 2000-04-20 2001-11-01 Pulmosonix Pty Ltd. Method and apparatus for determining conditions of biological tissues
JP4755801B2 (ja) 2000-06-09 2011-08-24 シュテファン・ベーン 電気インピーダンス・トモグラフィのデータにより得られる情報を表示するための方法及び装置
US7149576B1 (en) 2000-07-10 2006-12-12 Cardiodynamics International Corporation Apparatus and method for defibrillation of a living subject
US6602201B1 (en) 2000-07-10 2003-08-05 Cardiodynamics International Corporation Apparatus and method for determining cardiac output in a living subject
US6636754B1 (en) 2000-07-10 2003-10-21 Cardiodynamics International Corporation Apparatus and method for determining cardiac output in a living subject
EP1303772B1 (en) 2000-07-26 2008-03-05 Wisys Technology Foundation, Inc. Method and apparatus for producing an electrical property image using a charge correlation matrix
US6564079B1 (en) 2000-07-27 2003-05-13 Ckm Diagnostics, Inc. Electrode array and skin attachment system for noninvasive nerve location and imaging device
JP3977983B2 (ja) 2000-07-31 2007-09-19 株式会社タニタ 生体インピーダンス測定による脱水状態判定装置
US6615077B1 (en) 2000-08-14 2003-09-02 Renal Research Institute, Llc Device and method for monitoring and controlling physiologic parameters of a dialysis patient using segmental bioimpedence
US6505079B1 (en) 2000-09-13 2003-01-07 Foster Bio Technology Corp. Electrical stimulation of tissue for therapeutic and diagnostic purposes
JP4840952B2 (ja) 2000-09-19 2011-12-21 株式会社フィジオン 生体電気インピーダンス計測方法及び計測装置、並びに該計測装置を用いた健康指針管理アドバイス装置
CA2363821A1 (en) 2000-11-24 2002-05-24 Alvin Wexler High definition electrical impedance tomography methods for the detection and diagnosis of early stages of breast cancer
US6768921B2 (en) 2000-12-28 2004-07-27 Z-Tech (Canada) Inc. Electrical impedance method and apparatus for detecting and diagnosing diseases
DE60134173D1 (de) 2000-12-30 2008-07-03 Univ Leeds Elektrische impedanztomografie
US6561986B2 (en) 2001-01-17 2003-05-13 Cardiodynamics International Corporation Method and apparatus for hemodynamic assessment including fiducial point detection
FI109651B (fi) 2001-03-23 2002-09-30 Delfin Technologies Ltd Menetelmä kudosturvotuksen mittaamiseksi
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
US7409243B2 (en) * 2001-04-04 2008-08-05 Mirabel Medical Ltd. Breast cancer detection
US6807443B2 (en) 2001-05-01 2004-10-19 Cheetah Medical Inc. High-resolution medical monitoring apparatus particularly useful for electrocardiographs
CA2449567A1 (en) 2001-06-13 2002-12-19 Ckm Diagnostics, Inc. Non-invasive method and apparatus for tissue detection
US6936012B2 (en) 2001-06-18 2005-08-30 Neurometrix, Inc. Method and apparatus for identifying constituent signal components from a plurality of evoked physiological composite signals
US6658296B1 (en) 2001-06-19 2003-12-02 Pacesetter, Inc. Implantable cardioverter defibrillator having an articulated flexible circuit element and method of manufacturing
US7044911B2 (en) 2001-06-29 2006-05-16 Philometron, Inc. Gateway platform for biological monitoring and delivery of therapeutic compounds
US7933642B2 (en) 2001-07-17 2011-04-26 Rud Istvan Wireless ECG system
CA2470801C (en) 2001-07-26 2014-01-28 Medrad, Inc. Detection of fluids in tissue
DE10148440A1 (de) 2001-10-01 2003-04-17 Inflow Dynamics Inc Vorrichtung zum Überwachen eines Blutstaus im Herzen
US8777851B2 (en) 2001-10-01 2014-07-15 Medtronic, Inc. Congestive heart failure monitor and ventilation measuring implant
FR2830740B1 (fr) 2001-10-12 2004-07-23 Seb Sa Appareil de mesure de la composition corporelle
US6788966B2 (en) 2001-10-22 2004-09-07 Transscan Medical Ltd. Diagnosis probe
US6829501B2 (en) 2001-12-20 2004-12-07 Ge Medical Systems Information Technologies, Inc. Patient monitor and method with non-invasive cardiac output monitoring
US7169107B2 (en) 2002-01-25 2007-01-30 Karen Jersey-Willuhn Conductivity reconstruction based on inverse finite element measurements in a tissue monitoring system
NO321659B1 (no) 2002-05-14 2006-06-19 Idex Asa Volumspesifikk karakterisering av menneskehud ved elektrisk immitans
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
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
US7907998B2 (en) 2002-07-03 2011-03-15 Tel Aviv University Future Technology Development L.P. Bio-impedance apparatus and method
JP4041360B2 (ja) 2002-07-11 2008-01-30 株式会社タニタ 生体インピーダンス測定装置
DE10238310A1 (de) 2002-08-21 2004-03-04 Erich Jaeger Gmbh Elektrodenanordnung
US7783345B2 (en) 2002-10-07 2010-08-24 Cnsystems Medizintechnik Gmbh Impedance-based measuring method for hemodynamic parameters
AT413189B (de) 2002-10-07 2005-12-15 Cnsystems Medizintechnik Gmbh Medizinisches elektroden-element
AU2002951925A0 (en) 2002-10-09 2002-10-24 Queensland University Of Technology An Impedence Cardiography Device
US20080064981A1 (en) 2002-11-07 2008-03-13 Christopher Gregory Method and apparatus for determining electrical properties of objects containing inhomogeneities
US7313434B2 (en) 2002-11-25 2007-12-25 Regents Of The University Of Minnesota Impedance monitoring for detecting pulmonary edema and thoracic congestion
WO2004047643A1 (en) * 2002-11-27 2004-06-10 Z-Tech (Canada) Inc. Bioimpedance measurement using controller-switched current injection and multiplexer selected electrode connection
WO2004049936A2 (en) * 2002-11-29 2004-06-17 Z-Tech (Canada) Inc. Improved breast electrode array and method of analysis for detecting and diagnosing diseases
GB0228375D0 (en) * 2002-12-05 2003-01-08 Innovation And Entpr Off Of Wound mapping
DE60238105D1 (de) 2002-12-14 2010-12-09 Univ Tsinghua Res Inst Vorrichtung und Verfahren zur Überwachung der Zusammensetzung des Körpers durch Bestimmung der Dielektrizitätskonstante und der Impedanz des Körpers basiert auf digitaler Frequenzabtastung
JP3960475B2 (ja) 2002-12-25 2007-08-15 株式会社タニタ 筋疲労度測定装置
US6790185B1 (en) 2002-12-31 2004-09-14 Biopsy Sciences, Llc Sealant plug delivery methods
US7440796B2 (en) 2003-01-10 2008-10-21 Kohwang Foundation, Kohwang Board Of Trustee System and method for three-dimensional visualization of conductivity and current density distribution in electrically conducting object
US7216001B2 (en) 2003-01-22 2007-05-08 Medtronic Xomed, Inc. Apparatus for intraoperative neural monitoring
US7257244B2 (en) 2003-02-24 2007-08-14 Vanderbilt University Elastography imaging modalities for characterizing properties of tissue
US20040181163A1 (en) 2003-03-13 2004-09-16 Acumen Fat analyzer
PT1603455E (pt) 2003-03-19 2015-06-01 Church Of Spiritual Tech Sistema para medição e indicação de alterações na resistência de um corpo vivo
GB0306629D0 (en) 2003-03-22 2003-04-30 Qinetiq Ltd Monitoring electrical muscular activity
EP1613212B1 (en) 2003-03-25 2016-08-24 Fresenius Medical Care Holdings, Inc. Device and method for performing electrical impedance tomography
WO2004084723A1 (en) 2003-03-26 2004-10-07 Z-Tech (Canada) Inc. Weighted gradient method and system for diagnosing disease
DE10315863B4 (de) 2003-04-08 2013-03-14 Dräger Medical GmbH Elektrodengürtel
US7149573B2 (en) 2003-04-25 2006-12-12 Medtronic, Inc. Method and apparatus for impedance signal localizations from implanted devices
US6931272B2 (en) 2003-04-29 2005-08-16 Medtronic, Inc. Method and apparatus to monitor pulmonary edema
US8060195B2 (en) * 2003-05-02 2011-11-15 The Johns Hopkins University Devices, systems and methods for bioimpedance measurement of cervical tissue and methods for diagnosis and treatment of human cervix
CN100571613C (zh) 2003-05-12 2009-12-23 奇塔医疗有限公司 测量血流和血容量的系统、方法和装置
CA2530396C (en) 2003-06-24 2015-03-24 Healthonics, Inc. Apparatus and method for bioelectric stimulation, healing acceleration, pain relief, or pathegen devitalization
US7186220B2 (en) 2003-07-02 2007-03-06 Cardiac Pacemakers, Inc. Implantable devices and methods using frequency-domain analysis of thoracic signal
WO2005019779A1 (es) 2003-08-22 2005-03-03 Instituto Mexicano Del Petróleo Método de visualización de flujos multifásicos usando tomografía de capacitancia eléctrica
CA2480430C (en) 2003-09-04 2013-11-05 Adrian Nachman Current density impedance imaging (cdii)
JP2005080720A (ja) 2003-09-05 2005-03-31 Tanita Corp 生体電気インピーダンス測定装置
US8428717B2 (en) 2003-10-14 2013-04-23 Medtronic, Inc. Method and apparatus for monitoring tissue fluid content for use in an implantable cardiac device
JP4600916B2 (ja) 2003-11-07 2010-12-22 株式会社タニタ シールドケーブル及びシールドケーブルを用いた生体電気インピーダンス値又は生体組成情報の取得装置
WO2005051163A2 (en) 2003-11-25 2005-06-09 University-Industry Cooperation Group Of Kyunghee University System and method for visualizing conductivity and current density distribution in object
US7184821B2 (en) 2003-12-03 2007-02-27 Regents Of The University Of Minnesota Monitoring thoracic fluid changes
EP1723570A4 (en) 2004-02-09 2010-06-02 Inst Cardiologie De Montreal M CALCULATION OF A GEOMETRIC PARAMETER OF A HEART CHAMBER FROM A HEART TOMOGRAPHY RECORD
JP4646614B2 (ja) 2004-03-01 2011-03-09 株式会社タニタ 体組成測定装置
SG145539A1 (en) 2004-03-09 2008-09-29 Micron Technology Inc Integrated circuit (ic) test assembly including phase change material for stabilizing temperature during stress testing of integrated circuits and method thereof
TW200534827A (en) 2004-03-24 2005-11-01 Noninvasive Medical Technologies Llc Thoracic impedance monitor and electrode array and method of use
US20050251062A1 (en) 2004-05-10 2005-11-10 Myoung Choi Iterative approach for applying multiple currents to a body using voltage sources in electrical impedance tomography
US7970461B2 (en) 2004-06-18 2011-06-28 Andres Kink Method and apparatus for determining conditions of a biological tissue
US8744564B2 (en) 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
US8068906B2 (en) 2004-06-21 2011-11-29 Aorora Technologies Pty Ltd Cardiac monitoring system
US20090082679A1 (en) 2004-06-21 2009-03-26 Impedance Cardiology Systems, Inc. Cardiac monitoring system
JP4005095B2 (ja) 2004-07-27 2007-11-07 株式会社タニタ 体組成計
US7387610B2 (en) 2004-08-19 2008-06-17 Cardiac Pacemakers, Inc. Thoracic impedance detection with blood resistivity compensation
WO2006029034A2 (en) 2004-09-02 2006-03-16 Philometron, Inc. Monitoring platform for detection of hypovolemia, hemorrhage and blood loss
US20060085048A1 (en) 2004-10-20 2006-04-20 Nervonix, Inc. Algorithms for an active electrode, bioimpedance-based tissue discrimination system
WO2006044868A1 (en) * 2004-10-20 2006-04-27 Nervonix, Inc. An active electrode, bio-impedance based, tissue discrimination system and methods and use
US7660617B2 (en) * 2004-11-13 2010-02-09 The Boeing Company Electrical impedance tomography using a virtual short measurement technique
EP1827222A1 (en) 2004-11-26 2007-09-05 Z-Tech (Canada) Inc. Weighted gradient method and system for diagnosing disease
DE102004059082A1 (de) 2004-12-02 2006-06-08 Biotronik Crm Patent Ag Vorrichtung zum Bestimmen der Thorax-Impedanz
US7701227B2 (en) 2005-01-05 2010-04-20 Rensselaer Polytechnic Institute High precision voltage source for electrical impedance tomography
US7447543B2 (en) 2005-02-15 2008-11-04 Regents Of The University Of Minnesota Pathology assessment with impedance measurements using convergent bioelectric lead fields
US7603170B2 (en) 2005-04-26 2009-10-13 Cardiac Pacemakers, Inc. Calibration of impedance monitoring of respiratory volumes using thoracic D.C. impedance
US7907997B2 (en) 2005-05-11 2011-03-15 Cardiac Pacemakers, Inc. Enhancements to the detection of pulmonary edema when using transthoracic impedance
US9411033B2 (en) 2005-05-11 2016-08-09 Regents Of The University Of Minnesota Methods and apparatus for imaging with magnetic induction
US7340296B2 (en) 2005-05-18 2008-03-04 Cardiac Pacemakers, Inc. Detection of pleural effusion using transthoracic impedance
AU2006265762B2 (en) 2005-07-01 2012-08-16 Impedimed Limited Pulmonary monitoring system
DE102005031751B4 (de) 2005-07-07 2017-09-14 Drägerwerk AG & Co. KGaA Elektroimpedanztomographie-Gerät mit Gleichtaktsignalunterdrückung
US7205782B2 (en) 2005-07-11 2007-04-17 Brigham Young University Scanned impedance imaging system method and apparatus
US20080287823A1 (en) 2005-07-20 2008-11-20 Scott Matthew Chetham Index Determination
JP2007033286A (ja) 2005-07-28 2007-02-08 Agilent Technol Inc インピーダンス測定方法およびインピーダンス測定器
DE102005041385B4 (de) 2005-09-01 2018-10-04 Drägerwerk AG & Co. KGaA Vorrichtung zum Schutz eines elektrischen Impedanztomographen vor Überspannungspulsen
NL1032272C2 (nl) 2005-09-15 2007-05-16 Martil Instr B V Werkwijze en inrichting voor het bepalen van het debiet in een bloedvat.
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
AT502921B1 (de) 2005-10-21 2012-01-15 Falko Dr Skrabal Gerät zur messung von herz- und gefässfunktion (function) und körperräumen (spaces) mit hilfe der impedanzmessung
US9060705B2 (en) 2005-12-20 2015-06-23 Autopoiese Participacoes, Ltda Electrode assembly for electrical impedance tomography
WO2007070978A1 (en) 2005-12-23 2007-06-28 E.I.T. Pty Ltd Internal bleeding detection apparatus
US8442627B2 (en) 2005-12-30 2013-05-14 Medtronic, Inc. Advanced thoracic fluid monitoring capability with impedance
US7489186B2 (en) 2006-01-18 2009-02-10 International Rectifier Corporation Current sense amplifier for voltage converter
KR100700112B1 (ko) 2006-02-03 2007-03-28 경희대학교 산학협력단 전기 임피던스 단층촬영 방법 및 시스템
US8200320B2 (en) * 2006-03-03 2012-06-12 PhysioWave, Inc. Integrated physiologic monitoring systems and methods
GB0607503D0 (en) 2006-04-13 2006-05-24 Univ Montfort Apparatus and method for electrical impedance imaging
DE102006018199B4 (de) 2006-04-19 2016-01-07 Drägerwerk AG & Co. KGaA Vorrichtung zur Lungenventilation
US20070270707A1 (en) 2006-05-18 2007-11-22 Andres Belalcazar Monitoring fluid in a subject using a weight scale
US20080027350A1 (en) 2006-07-13 2008-01-31 Advanced Cardiovascular Systems, Inc. Methods and apparatus for localization, diagnosis, contact or activity detection of bio-electric tissue
WO2008011716A1 (en) 2006-07-27 2008-01-31 Tasc Ltd. High definition impedance imaging
KR100823304B1 (ko) 2006-08-22 2008-04-18 삼성전자주식회사 피부 수화도 측정 장치 및 그 방법
BRPI0604484B1 (pt) 2006-08-28 2022-09-27 Timpel S.A Método para realização de coleta de dados sobre eletrodos colocados em um corpo
FR2906612B1 (fr) 2006-09-28 2009-03-06 Centre Nat Rech Scient Procede et dispositif de tomographie par impedance electrique.
US20080200802A1 (en) 2006-12-07 2008-08-21 Philometron, Inc. Platform for detection of tissue content and/or structural changes with closed-loop control in mammalian organisms
EP2106241B1 (en) 2007-01-15 2015-05-06 Impedimed Limited Method for performing impedance measurements on a subject
EP2124740B1 (en) * 2007-03-05 2019-05-29 Wisys Technology Foundation, Inc. System for detecting both pre-cancerous and cancerous tissues
US7840053B2 (en) 2007-04-05 2010-11-23 Liao Hstau Y System and methods for tomography image reconstruction
AU2008241356B2 (en) 2007-04-20 2013-10-03 Impedimed Limited Monitoring system and probe
JP5190223B2 (ja) 2007-06-06 2013-04-24 株式会社タニタ 生体電気インピーダンス測定装置、低栄養測定システム、低栄養測定方法
AU2008286194B2 (en) 2007-08-09 2014-05-15 Impedimed Limited Impedance measurement process
US20090112109A1 (en) 2007-08-31 2009-04-30 Pawel Kuklik Reconstruction of geometry of a body component and analysis of spatial distribution of electrophysiological values
US8831716B2 (en) 2007-09-11 2014-09-09 Cardiac Pacemakers, Inc. Histogram-based thoracic impedance monitoring
WO2009036329A1 (en) 2007-09-14 2009-03-19 Corventis, Inc. Multi-sensor patient monitor to detect impending cardiac decompensation
DE502008002118D1 (de) 2007-10-05 2011-02-10 Draeger Medical Gmbh Vorrichtung zur Erfassung und Übertragung von elektrischen Impulsen
US7603171B2 (en) 2007-10-25 2009-10-13 Fresh Medical Laboratories, Inc. Method for diagnosing a disease
GB2454925A (en) 2007-11-26 2009-05-27 Alistair Mcewan Code Division Multiplexed Electrical Impedance Tomography
WO2009089280A1 (en) 2008-01-09 2009-07-16 The Trustees Of Dartmouth College Systems and methods for combined ultrasound and electrical impedance imaging
US8010187B2 (en) 2008-01-25 2011-08-30 The Trustees Of The Stevens Institute Of Technology Three-dimensional impedance imaging device
JP5000768B2 (ja) 2008-03-10 2012-08-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気誘導断層撮影システムを較正するための方法及び装置
US9066671B2 (en) 2008-04-17 2015-06-30 Wisys Technology Foundation System and method for early breast cancer detection using electrical property enhanced tomography
US8532734B2 (en) 2008-04-18 2013-09-10 Regents Of The University Of Minnesota Method and apparatus for mapping a structure
US8494608B2 (en) 2008-04-18 2013-07-23 Medtronic, Inc. Method and apparatus for mapping a structure
US8744565B2 (en) 2008-04-30 2014-06-03 Medtronic, Inc. Multi-frequency impedance monitoring system
US20090275854A1 (en) 2008-04-30 2009-11-05 Zielinski Todd M System and method of monitoring physiologic parameters based on complex impedance waveform morphology
US20090326408A1 (en) 2008-06-30 2009-12-31 Loell Boyce Moon Providing Impedance Plethysmography Electrodes
WO2010003162A1 (en) 2008-07-11 2010-01-14 Technische Universität Graz Correction of phase error in magnetic induction tomography
WO2010025144A1 (en) 2008-08-29 2010-03-04 Corventis, Inc. Method and apparatus for acute cardiac monitoring
WO2010030225A1 (en) 2008-09-09 2010-03-18 Fernando Seoane Martinez Method and apparatus for brain damage detection
EP2335094A2 (en) 2008-09-11 2011-06-22 Koninklijke Philips Electronics N.V. Method and system for magnetic induction tomography
WO2010042855A1 (en) 2008-10-10 2010-04-15 Regents Of The University Of Minnesota Improved monitor of heart failure using bioimpedance
US20100106046A1 (en) 2008-10-26 2010-04-29 Michael Shochat Device and method for predicting and preventing pulmonary edema and management of treatment thereof
BRPI0805365A2 (pt) 2008-12-19 2011-10-18 Timpel S.A. sistema de eletrodos para condução transdérmica de sinais elétricos, e, método de utilização
EP2384139A1 (en) 2008-12-30 2011-11-09 Koninklijke Philips Electronics N.V. Method and system for magnetic induction tomography
EP2391267B1 (en) 2009-01-27 2019-11-06 Scibase Ab Switch probe for multiple electrode measurement of impedance
US20100191141A1 (en) 2009-01-27 2010-07-29 Peter Aberg Method and apparatus for diagnosing a diseased condition in tissue of a subject
EP2228009B1 (en) 2009-03-09 2018-05-16 Drägerwerk AG & Co. KGaA Apparatus and method to determine functional lung characteristics
WO2011018744A1 (en) 2009-08-14 2011-02-17 Koninklijke Philips Electronics N.V. Method and device for measuring conductivity of an object
US9037227B2 (en) 2009-09-01 2015-05-19 Roman A. Slizynski Use of impedance techniques in breast-mass detection
CN102821684B (zh) 2010-03-16 2015-04-22 斯威斯托姆公开股份有限公司 用于电阻抗成像扫描装置的电极和电阻抗成像扫描装置
US8845631B2 (en) 2010-04-28 2014-09-30 Medtronic Ablation Frontiers Llc Systems and methods of performing medical procedures
CA2797240A1 (en) 2010-04-30 2011-11-03 Vucomp, Inc. Malignant mass detection and classification in radiographic images
JP5625576B2 (ja) 2010-07-22 2014-11-19 オムロンヘルスケア株式会社 脂肪量測定装置
US20120165884A1 (en) 2010-12-22 2012-06-28 Cecilia Qin Xi Fluid accumulation monitoring devices, systems and methods
DE102011014107B4 (de) 2011-03-16 2021-09-30 Drägerwerk AG & Co. KGaA Verfahren zur Identifikation einer Defektelektrode bei der Elektroimpedanztomographie
AU2012351988B2 (en) 2011-12-14 2017-05-04 Impedimed Limited Devices, systems and methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
WO2014176420A1 (en) 2013-04-24 2014-10-30 Tufts University Apparatus, systems, and methods for detecting or stimullating muscle activity
US20140371566A1 (en) 2013-06-14 2014-12-18 Cardiothrive, Inc. Conforming patient contact interface and method for using same

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US10070800B2 (en) 2018-09-11
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US20110046505A1 (en) 2011-02-24
EP2175776B1 (en) 2016-03-23

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