DE69129698D1 - Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen - Google Patents

Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen

Info

Publication number
DE69129698D1
DE69129698D1 DE69129698T DE69129698T DE69129698D1 DE 69129698 D1 DE69129698 D1 DE 69129698D1 DE 69129698 T DE69129698 T DE 69129698T DE 69129698 T DE69129698 T DE 69129698T DE 69129698 D1 DE69129698 D1 DE 69129698D1
Authority
DE
Germany
Prior art keywords
measuring
pct
measuring electrodes
control electrode
organic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69129698T
Other languages
English (en)
Other versions
DE69129698T2 (de
Inventor
Stig Ollmar
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.)
Scibase AB
Original Assignee
STIFTELSEN CT FOER ORAL BIOLOG
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 STIFTELSEN CT FOER ORAL BIOLOG filed Critical STIFTELSEN CT FOER ORAL BIOLOG
Application granted granted Critical
Publication of DE69129698D1 publication Critical patent/DE69129698D1/de
Publication of DE69129698T2 publication Critical patent/DE69129698T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0531Measuring skin impedance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/16Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
DE69129698T 1990-10-18 1991-10-18 Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen Expired - Lifetime DE69129698T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9003336A SE466987B (sv) 1990-10-18 1990-10-18 Anordning foer djupselektiv icke-invasiv, lokal maetning av elektrisk impedans i organiska och biologiska material samt prob foer maetning av elektrisk impedans
PCT/SE1991/000703 WO1992006634A1 (en) 1990-10-18 1991-10-18 A device for measurement of electrical impedance of organic and biological materials

Publications (2)

Publication Number Publication Date
DE69129698D1 true DE69129698D1 (de) 1998-08-06
DE69129698T2 DE69129698T2 (de) 1999-03-11

Family

ID=20380684

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129698T Expired - Lifetime DE69129698T2 (de) 1990-10-18 1991-10-18 Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen

Country Status (15)

Country Link
US (1) US5353802A (de)
EP (1) EP0553187B1 (de)
JP (1) JP3320413B2 (de)
KR (1) KR100201178B1 (de)
AT (1) ATE167794T1 (de)
AU (1) AU659111B2 (de)
CA (1) CA2093922C (de)
DE (1) DE69129698T2 (de)
DK (1) DK0553187T3 (de)
ES (1) ES2120419T3 (de)
FI (1) FI110304B (de)
HU (1) HU216496B (de)
NO (1) NO307863B1 (de)
SE (1) SE466987B (de)
WO (1) WO1992006634A1 (de)

Families Citing this family (137)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA948393B (en) * 1993-11-01 1995-06-26 Polartechnics Ltd Method and apparatus for tissue type recognition
US5947910A (en) 1994-01-14 1999-09-07 E-Z-Em, Inc. Extravasation detection technique
USRE38695E1 (en) * 1994-01-14 2005-02-08 E-Z-Em, Inc. Extravasation detection electrode patch
US5964703A (en) * 1994-01-14 1999-10-12 E-Z-Em, Inc. Extravasation detection electrode patch
JP3759606B2 (ja) * 1994-03-11 2006-03-29 ビーティージー・インターナショナル・リミテッド 電気インピーダンス・トモグラフィ
SE9403344L (sv) * 1994-09-30 1996-03-31 Synectics Medical Ab Förfarande och anordning vid främst elektrogastrografi och elektrourografi
AUPM851694A0 (en) * 1994-09-30 1994-10-27 Barsamian, Sergei T New methods for diagnosis, detection of cell abnormalities and morphology of living systems
NO180024C (no) * 1994-10-11 1997-01-29 Oerjan G Martinsen Måling av fuktighet i hud
US6678552B2 (en) * 1994-10-24 2004-01-13 Transscan Medical Ltd. Tissue characterization based on impedance images and on impedance measurements
EP0788329B1 (de) * 1994-10-24 2006-12-06 Mirabel Medical Systems Ltd. Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung
US5810742A (en) * 1994-10-24 1998-09-22 Transcan Research & Development Co., Ltd. Tissue characterization based on impedance images and on impedance measurements
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
US5994690A (en) * 1997-03-17 1999-11-30 Kulkarni; Manish D. Image enhancement in optical coherence tomography using deconvolution
JP4138027B2 (ja) * 1997-06-02 2008-08-20 イザット,ジョーゼフ,エイ. 光学コヒーレンス断層撮影法を用いたドップラー流の撮像
US6002480A (en) 1997-06-02 1999-12-14 Izatt; Joseph A. Depth-resolved spectroscopic optical coherence tomography
CA2318735A1 (en) 1998-02-04 1999-08-12 Dermal Therapy (Barbados) Inc. Method and apparatus for non-invasive determination of glucose in body fluids
US6657727B1 (en) 1998-09-11 2003-12-02 Joseph A. Izatt Interferometers for optical coherence domain reflectometry and optical coherence tomography using nonreciprocal optical elements
WO2000062671A1 (en) * 1999-04-20 2000-10-26 Nova Technology Corporation Apparatus for measuring relative hydration of a substrate
US7729756B2 (en) * 2000-01-18 2010-06-01 Siemens Aktiengesellschaft Measurement system for examining a section of tissue on a patient and the use of a measurement system of this type
US6735468B2 (en) 2000-02-02 2004-05-11 Massachusetts Institute Of Technology Arthroscopic impedance probe to detect cartilage degeneration
US6564079B1 (en) 2000-07-27 2003-05-13 Ckm Diagnostics, Inc. Electrode array and skin attachment system for noninvasive nerve location and imaging device
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
EP1818010B1 (de) 2001-03-06 2012-02-29 Solianis Holding AG Vorrichtung zur bestimmung der Konzentration eines Stoffes in Körperflüssigkeit
US7315767B2 (en) * 2001-03-06 2008-01-01 Solianis Holding Ag Impedance spectroscopy based systems and methods
EP1385421A4 (de) * 2001-04-06 2007-01-24 Univ City Identifizierung, diagnose und behandlung von neuropathologien, neurotoxizität, tumoren und gehirn- und rückenmarksverletzungen durch mikroelektroden mit mikrovoltammetrie
US20070026440A1 (en) * 2001-04-06 2007-02-01 Broderick Patricia A Identification, diagnosis, and treatment of neuropathologies, neurotoxicities, tumors, and brain and spinal cord injuries using electrodes with microvoltammetry
US6823212B2 (en) * 2001-06-13 2004-11-23 The Procter & Gamble Company Method and apparatus for measuring properties of a target surface
US7044911B2 (en) 2001-06-29 2006-05-16 Philometron, Inc. Gateway platform for biological monitoring and delivery of therapeutic compounds
JP2005500116A (ja) * 2001-08-24 2005-01-06 グルコセンス、インコーポレイテッド 生体信号センサと、そのセンサに関連したアプリケーションを組み入れた生体信号を記録するための装置
US6788966B2 (en) 2001-10-22 2004-09-07 Transscan Medical Ltd. Diagnosis probe
US7998080B2 (en) * 2002-01-15 2011-08-16 Orsan Medical Technologies Ltd. Method for monitoring blood flow to brain
US8211031B2 (en) * 2002-01-15 2012-07-03 Orsan Medical Technologies Ltd. Non-invasive intracranial monitor
WO2006011128A1 (en) 2004-07-15 2006-02-02 Orsan Medical Technologies Ltd. Cerebral perfusion monitor
US6980852B2 (en) * 2002-01-25 2005-12-27 Subqiview Inc. Film barrier dressing for intravascular tissue monitoring system
US7050847B2 (en) 2002-03-26 2006-05-23 Stig Ollmar Non-invasive in vivo determination of body fluid parameter
AU2003219491A1 (en) 2002-04-04 2003-10-20 Transscan Medical Ltd. Impedance measurements on breast nipples
NO321659B1 (no) * 2002-05-14 2006-06-19 Idex Asa Volumspesifikk karakterisering av menneskehud ved elektrisk immitans
US6922586B2 (en) * 2002-05-20 2005-07-26 Richard J. Davies Method and system for detecting electrophysiological changes in pre-cancerous and cancerous tissue
AU2002326098A1 (en) * 2002-09-04 2004-03-29 Pendragon Medical Ltd. Method and device for measuring glucose
AU2002334314A1 (en) * 2002-09-24 2004-04-19 Pendragon Medical Ltd. Device for the measurement of glucose concentrations
FR2845264B1 (fr) * 2002-10-03 2005-01-07 Fabre Pierre Dermo Cosmetique Dispositif et procede de mesure directe de ph et d'etat d'oxydation
CA2444211C (en) 2002-10-11 2013-11-19 Dermal Therapy (Barbados) Inc. Determination of biological conditions using impedance measurements
SE0302746D0 (sv) * 2003-10-17 2003-10-17 Uppsala Laekarkonsult Ab Multielectrode
KR100580629B1 (ko) * 2003-11-17 2006-05-16 삼성전자주식회사 고주파 대역의 피부 임피던스 응답을 표현하는 피부임피던스 모델
WO2005053526A1 (en) * 2003-11-27 2005-06-16 Solianis Holding Ag Techniques for determining glucose levels
US8197406B2 (en) * 2003-12-02 2012-06-12 Biovotion Ag Device and method for measuring a property of living tissue
WO2005074796A1 (en) * 2004-02-05 2005-08-18 Dermal Therapy (Barbados) Inc. Method and apparatus for measuring glucose in body fluids using sub-dermal body tissue impedance measurements
FR2865921B1 (fr) * 2004-02-11 2007-06-01 Spinevision Dispositif d'exploration pour le suivi de la penetration d'un instrument dans une structure anatomique
WO2005102159A1 (en) * 2004-04-19 2005-11-03 Nova Technology Corporation Method and apparatus for assessing oral mucositis
EP1768545B1 (de) * 2004-06-07 2009-06-10 Solianis Holding AG Verfahren und vorrichtung zur bestimmung eines parameters in lebendem gewebe
WO2006029035A1 (en) * 2004-09-02 2006-03-16 Philometron, Inc. Monitoring platform for wound and ulcer monitoring and detection
US20060079774A1 (en) * 2004-10-08 2006-04-13 Wendell Anderson Microwave biopsy probe
US8617163B2 (en) 2004-10-15 2013-12-31 Baxano Surgical, Inc. Methods, systems and devices for carpal tunnel release
US7738969B2 (en) 2004-10-15 2010-06-15 Baxano, Inc. Devices and methods for selective surgical removal of tissue
US20110190772A1 (en) 2004-10-15 2011-08-04 Vahid Saadat Powered tissue modification devices and methods
US8430881B2 (en) 2004-10-15 2013-04-30 Baxano, Inc. Mechanical tissue modification devices and methods
US8062300B2 (en) 2006-05-04 2011-11-22 Baxano, Inc. Tissue removal with at least partially flexible devices
US8221397B2 (en) 2004-10-15 2012-07-17 Baxano, Inc. Devices and methods for tissue modification
US7887538B2 (en) 2005-10-15 2011-02-15 Baxano, Inc. Methods and apparatus for tissue modification
US9247952B2 (en) 2004-10-15 2016-02-02 Amendia, Inc. Devices and methods for tissue access
US8048080B2 (en) 2004-10-15 2011-11-01 Baxano, Inc. Flexible tissue rasp
EP1799129B1 (de) 2004-10-15 2020-11-25 Baxano, Inc. Vorrichtungen zur gewebeentfernung
US7553307B2 (en) 2004-10-15 2009-06-30 Baxano, Inc. Devices and methods for tissue modification
US8257356B2 (en) 2004-10-15 2012-09-04 Baxano, Inc. Guidewire exchange systems to treat spinal stenosis
US9101386B2 (en) 2004-10-15 2015-08-11 Amendia, Inc. Devices and methods for treating tissue
US20100331883A1 (en) 2004-10-15 2010-12-30 Schmitz Gregory P Access and tissue modification systems and methods
US7578819B2 (en) 2005-05-16 2009-08-25 Baxano, Inc. Spinal access and neural localization
US7938830B2 (en) 2004-10-15 2011-05-10 Baxano, Inc. Powered tissue modification devices and methods
US8734341B2 (en) * 2004-12-20 2014-05-27 Ipventure, Inc. Method and apparatus to sense hydration level of a person
US8118740B2 (en) 2004-12-20 2012-02-21 Ipventure, Inc. Moisture sensor for skin
US11013461B2 (en) 2004-12-20 2021-05-25 Ipventure, Inc. Method and apparatus for hydration level of a person
US8202217B2 (en) * 2004-12-20 2012-06-19 Ip Venture, Inc. Healthcare base
US10258278B2 (en) 2004-12-20 2019-04-16 Ipventure, Inc. Method and apparatus to sense hydration level of a person
US20080188757A1 (en) 2005-02-21 2008-08-07 Ave Eugenio Garza Sada #2501 Sur, Col. Tecnologic Optoelectronic Device For The Detection Of Uterine Cancer, Comprising A Self-Positioning Attachment
AU2006265763B2 (en) 2005-07-01 2012-08-09 Impedimed Limited Monitoring system
JP5607300B2 (ja) 2005-07-01 2014-10-15 インぺディメッド リミテッド 対象上でインピーダンス測定を実行するための装置および方法
JP2009506418A (ja) * 2005-09-02 2009-02-12 ザ プロクター アンド ギャンブル カンパニー 皮膚湿分含量を小売店において測定する方法
EP1919356B1 (de) * 2005-09-02 2012-06-13 The Procter & Gamble Company Verfahren zur messung des feuchtigkeitsgehalts der haut
JP2009505713A (ja) * 2005-09-02 2009-02-12 ザ プロクター アンド ギャンブル カンパニー 有効な頭皮の健康指標
EP1919352A2 (de) * 2005-09-02 2008-05-14 The Procter and Gamble Company Verfahren zur messung der feuchtigkeit als prädiktor der kopfhautgesundheit
CA2625631C (en) 2005-10-11 2016-11-29 Impedance Cardiology Systems, Inc. Hydration status monitoring
US20080086034A1 (en) 2006-08-29 2008-04-10 Baxano, Inc. Tissue Access Guidewire System and Method
US8092456B2 (en) 2005-10-15 2012-01-10 Baxano, Inc. Multiple pathways for spinal nerve root decompression from a single access point
US8062298B2 (en) 2005-10-15 2011-11-22 Baxano, Inc. Flexible tissue removal devices and methods
US8366712B2 (en) 2005-10-15 2013-02-05 Baxano, Inc. Multiple pathways for spinal nerve root decompression from a single access point
WO2007053963A1 (en) * 2005-11-10 2007-05-18 Solianis Holding Ag Device for determining the glucose level in body tissue
US9636035B2 (en) 2005-12-14 2017-05-02 Scibase Ab Medical apparatus for determination of biological conditions using impedance measurements
US20100130883A1 (en) * 2005-12-16 2010-05-27 Carpenter Scott E In-Vivo Non-Invasive Bioelectric Impedance Analysis of Glucose-Mediated Changes in Tissue
CA2643758C (en) * 2006-03-24 2014-12-09 University Of Utah Research Foundation Measurement of thickness of dielectric films on surfaces
US8112293B2 (en) 2006-03-24 2012-02-07 Ipventure, Inc Medical monitoring system
JP4210953B2 (ja) * 2006-04-14 2009-01-21 ソニー株式会社 電界制御装置及び検出装置
KR101213157B1 (ko) * 2006-06-09 2012-12-17 삼성전자주식회사 피부 임피던스 측정 센서
KR100862287B1 (ko) * 2006-08-18 2008-10-13 삼성전자주식회사 피부 수화도 측정 장치 및 그 방법
KR100823304B1 (ko) * 2006-08-22 2008-04-18 삼성전자주식회사 피부 수화도 측정 장치 및 그 방법
US8388534B2 (en) * 2006-10-11 2013-03-05 Samsung Electronics Co., Ltd. Apparatus for providing skin care information by measuring skin moisture content and method and medium for the same
US9375246B2 (en) 2007-01-19 2016-06-28 Covidien Lp System and method of using thermal and electrical conductivity of tissue
KR100857180B1 (ko) * 2007-01-22 2008-09-05 삼성전자주식회사 전력 소비를 최소화하는 피부 수화도 측정 장치
US10307074B2 (en) 2007-04-20 2019-06-04 Impedimed Limited Monitoring system and probe
EP2173236A1 (de) 2007-07-02 2010-04-14 Biogauge - Nordic Bioimpedance Research As Verfahren und kit zur schweissaktivitätsmessung
WO2009018620A1 (en) 2007-08-09 2009-02-12 Impedimed Limited Impedance measurement process
EP2194861A1 (de) 2007-09-06 2010-06-16 Baxano, Inc. Verfahren, system und gerät zur nervenlokalisation
US20090137925A1 (en) * 2007-11-23 2009-05-28 Divya Cantor Impedance Spectroscopy Cervix Scanning Apparatus and Method
US8192436B2 (en) 2007-12-07 2012-06-05 Baxano, Inc. Tissue modification devices
WO2009086643A1 (en) * 2008-01-11 2009-07-16 Solianis Holding Ag A method and device for determining a property of living tissue
WO2009110470A1 (ja) * 2008-03-03 2009-09-11 国立大学法人 長崎大学 角膜経上皮電気抵抗値の測定方法
CA2758827A1 (en) 2008-04-21 2009-10-29 Philometron, Inc. Metabolic energy monitoring system
US20110160554A1 (en) * 2008-06-18 2011-06-30 Alexander Megej Device and method for determining at least one characterizing parameter of multilayer body tissue
US8409206B2 (en) 2008-07-01 2013-04-02 Baxano, Inc. Tissue modification devices and methods
US8398641B2 (en) 2008-07-01 2013-03-19 Baxano, Inc. Tissue modification devices and methods
US9314253B2 (en) 2008-07-01 2016-04-19 Amendia, Inc. Tissue modification devices and methods
MX348805B (es) 2008-07-14 2017-06-28 Baxano Inc Dispositivo de modificación de tejidos.
CN102238905B (zh) * 2008-10-07 2015-05-27 奥森医疗科技有限公司 脑血液动力学参数的测量
US20100191141A1 (en) * 2009-01-27 2010-07-29 Peter Aberg Method and apparatus for diagnosing a diseased condition in tissue of a subject
KR20110108387A (ko) 2009-01-27 2011-10-05 싸이베이스 에이비 임피던스의 다중 전극 측정을 위한 스위치 프로브
EP2405823A4 (de) 2009-03-13 2012-07-04 Baxano Inc Vorrichtungen und verfahren für flexible nervenortung
WO2010118537A1 (en) 2009-04-17 2010-10-21 Solianis Holding Ag Sensing device for body tissue properties
JP5628289B2 (ja) 2009-04-17 2014-11-19 バイオボーション・アーゲーBiovotion AG グルコース決定のための広帯域フィールド応答特性測定
US8394102B2 (en) 2009-06-25 2013-03-12 Baxano, Inc. Surgical tools for treatment of spinal stenosis
US8558563B2 (en) * 2009-08-21 2013-10-15 Proteus Digital Health, Inc. Apparatus and method for measuring biochemical parameters
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
EP2501283B1 (de) 2009-11-18 2016-09-21 Impedimed Limited Signalverteilung für patientenelektrodenmessungen
EP2526112B1 (de) * 2010-01-22 2018-10-17 Dow AgroSciences LLC Gezielte genommodifikation
ES2372082B1 (es) * 2010-03-02 2013-01-30 Consejo Superior De Investigaciones Científicas (Csic) Sensor no invasivo para determinar características funcionales de la córnea y dispositivo que incluye dicho sensor.
US9075910B2 (en) 2010-03-11 2015-07-07 Philometron, Inc. Physiological monitor system for determining medication delivery and outcome
US9345411B2 (en) 2011-02-09 2016-05-24 Orsan Medical Technologies, Ltd. Devices and methods for monitoring cerebral hemodynamic conditions
US20120323134A1 (en) * 2011-02-28 2012-12-20 Nervonix, Inc. Method and system for determining a location of nerve tissue in three-dimensional space
WO2013090798A1 (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
US10456060B2 (en) * 2012-02-22 2019-10-29 Ghassan S. Kassab Devices for detecting organ contents using impedance and methods of using the same to provide various therapies
JP2015038425A (ja) * 2013-05-24 2015-02-26 直之 御法川 上皮細胞の異常度合を測定する装置
US10357180B2 (en) * 2014-01-16 2019-07-23 D.T.R. Dermal Therapy Research Inc. Health monitoring system
BR112017005121A2 (pt) 2014-09-23 2018-07-31 Tearlab Res Inc sistemas e métodos para integração de coleta de lágrima microfluídica e análise de fluxo lateral de analitos de interesse.
JP2016220961A (ja) * 2015-05-29 2016-12-28 国立大学法人九州大学 皮膚抵抗測定装置
CN104970793B (zh) * 2015-06-27 2018-06-12 杭州永川科技有限公司 一种空间物理对比帧的磁感应电阻抗成像装置及方法
ES2616150B1 (es) * 2016-01-20 2019-08-13 Univ Valencia Politecnica Aparato y metodo de deteccion de dano producido por la miopatia del pectoral profundo en aves
WO2019223874A1 (en) 2018-05-24 2019-11-28 Scibase Ab Impedance measurement device
SE544094C2 (en) 2018-11-05 2021-12-21 Scibase Ab Medical device for analyzing epithelial barrier function using electrical impedance spectroscopy
US11365386B2 (en) 2019-05-03 2022-06-21 UNIVERSITé LAVAL Cellular behaviour monitoring device and method for monitoring changes in cellular behaviour

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2316326A1 (de) * 1972-05-08 1973-11-29 Siepem Fa Kombiniertes geraet zur hygiene des haares und zur gesichtspflege
IL65581A (en) * 1982-04-22 1985-12-31 Dan Atlas Electrical measuring system particularly useful for the non-invasive examination of biological tissue
JPH073444B2 (ja) * 1987-10-27 1995-01-18 株式会社日本システム研究所 導電性測定装置
JPH01126535A (ja) * 1987-11-12 1989-05-18 Kao Corp 皮膚水分含有量の測定方法および装置
US4951683A (en) * 1989-01-19 1990-08-28 Davis Jeffrey P Device for detecting keratoconjunctivitis sicca

Also Published As

Publication number Publication date
ES2120419T3 (es) 1998-11-01
AU659111B2 (en) 1995-05-11
HU9301109D0 (en) 1993-08-30
ATE167794T1 (de) 1998-07-15
AU8849991A (en) 1992-05-20
NO931415L (no) 1993-05-13
CA2093922A1 (en) 1992-04-19
EP0553187A1 (de) 1993-08-04
NO931415D0 (no) 1993-04-16
NO307863B1 (no) 2000-06-13
SE466987B (sv) 1992-05-11
FI931730A0 (fi) 1993-04-16
DE69129698T2 (de) 1999-03-11
FI931730A (fi) 1993-04-16
US5353802A (en) 1994-10-11
HU216496B (hu) 1999-07-28
SE9003336D0 (sv) 1990-10-18
JP3320413B2 (ja) 2002-09-03
CA2093922C (en) 2001-07-31
KR100201178B1 (ko) 1999-06-15
DK0553187T3 (da) 1999-06-28
WO1992006634A1 (en) 1992-04-30
FI110304B (fi) 2002-12-31
EP0553187B1 (de) 1998-07-01
HUT66173A (en) 1994-09-28
JPH06502323A (ja) 1994-03-17
SE9003336A (de) 1992-04-19

Similar Documents

Publication Publication Date Title
DE69129698D1 (de) Vorrichtung zur messung der elektrischen impedanz von organischen und biologischen stoffen
DE60324182D1 (de) Verfahren und vorrichtung zur darstellung von hautwunden
ATE321267T1 (de) Elektrode und vorrichtung zur messung von zellpotentialen
DE59409999D1 (de) Vorrichtung zur Signalanalyse des elektrischen Potentialverlaufes der Herzerregung
DE60042160D1 (de) Vorrichtung zum messen von gewebeödem
EP0420980A4 (en) Apparatus for measuring data of living body
DE69623623T2 (de) Vorrichtung und verfahren zur analyse der zusammensetzung von körpersubstanz mittels einer elektroden-anordung zur messung der bioelektrischen impedanz
DE3750952D1 (de) Verfahren und Gerät zur Erzielung von Niederfrequenz anreizenden elektrischen Zeichen.
CA2377813A1 (en) Extracellular recording multiple electrode
DK0629291T3 (da) Apparat og fremgangsmåde til analyse
ATE68590T1 (de) Verfahren zum feststellen der variationen der wandstaerke eines elektrisch leitenden koerpers.
DE3578594D1 (de) Vorrichtung zur pruefung von elektrisch leitenden gegenstaenden mittels ultraschall.
DE59501470D1 (de) Vorrichtung zur überprüfung der porosität von dünnen gummiprodukten
DE68919525T2 (de) Vorrichtung zur Erfassung der Verteilung eines elektrischen Oberflächenpotentials.
ATE42032T1 (de) Verfahren der mittelwertbildung zum beseitigen von periodischen stoerungen und schaltungsanordnung zur anwendung dieses verfahrens.
ATE270073T1 (de) Verfahren zur messung der elektrischen leitfähigkeit von organgewebe
DE3576200D1 (de) Vorrichtung zur nachweisung eines eingeschlossenen elektrisch leitenden materials und verwendungen dieser vorrichtung.
SU1725829A1 (ru) Устройство дл регистрации кожно-гальванической реакции
SU1365922A1 (ru) Способ измерения магнитного поля и устройство для его осуществления
FR2845264B1 (fr) Dispositif et procede de mesure directe de ph et d'etat d'oxydation
ATE334403T1 (de) Verfahren und messeinrichtung zur erfassung von elektromagnetischen störfeldern
UA28467A (uk) Електричний спосіб вимірювання параметрів імпедансу біооб'єктів
SE8705010D0 (sv) Anordning for instellning av arbetsdjup vid jordbruksredskap
JPS5624581A (en) Dc voltage measuring circuit
FI924684A (fi) Menetelmä johtavuusjakauman mittaamiseksi

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SCIBASE AB, STOCKHOLM, SE