DE69129698T2 - 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
DE69129698T2
DE69129698T2 DE69129698T DE69129698T DE69129698T2 DE 69129698 T2 DE69129698 T2 DE 69129698T2 DE 69129698 T DE69129698 T DE 69129698T DE 69129698 T DE69129698 T DE 69129698T DE 69129698 T2 DE69129698 T2 DE 69129698T2
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
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English (en)
Other versions
DE69129698D1 (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 DE69129698D1 (de) 1998-08-06
DE69129698T2 true 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
AU699170B2 (en) * 1994-03-11 1998-11-26 British Technology Group Limited Electrical impedance tomography
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
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
DE69535331D1 (de) * 1994-10-24 2007-01-18 Mirabel Medical Systems Ltd Vorrichtung und vielelementwandler zur bilderzeugung mittels impedanzmessung
US5994690A (en) * 1997-03-17 1999-11-30 Kulkarni; Manish D. Image enhancement in optical coherence tomography using deconvolution
US6002480A (en) 1997-06-02 1999-12-14 Izatt; Joseph A. Depth-resolved spectroscopic optical coherence tomography
AU7711498A (en) 1997-06-02 1998-12-21 Joseph A. Izatt Doppler flow imaging using 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
JP2003524758A (ja) 1998-09-11 2003-08-19 ジョセフ エイ. イザット, 相反光学素子を用いた光コヒーレンス領域反射測定法および光コヒーレンス断層撮影法のための干渉計
US6370426B1 (en) * 1999-04-20 2002-04-09 Nova Technology Corporation Method and 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
WO2001056468A2 (en) * 2000-02-02 2001-08-09 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
US7315767B2 (en) * 2001-03-06 2008-01-01 Solianis Holding Ag Impedance spectroscopy based systems and methods
IL157755A0 (en) 2001-03-06 2004-03-28 Pendragon Medical Ltd Method and device for determining the concentration of a substance in body liquid
CA2443550A1 (en) * 2001-04-06 2002-10-24 The Research Foundation Of The City University Of New York Diagnosis and treatment of neural disease and injury using microvoltammetry
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
WO2006011128A1 (en) * 2004-07-15 2006-02-02 Orsan Medical Technologies Ltd. Cerebral perfusion monitor
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
US7169107B2 (en) * 2002-01-25 2007-01-30 Karen Jersey-Willuhn Conductivity reconstruction based on inverse finite element measurements in a 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
DE60234138D1 (de) * 2002-09-04 2009-12-03 Solianis Holding Ag Verfahren und vorrichtung zur glukosemessung
DE60230824D1 (de) * 2002-09-24 2009-02-26 Solianis Holding Ag Vorrichtung zur messung von glukosekonzentrationen
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
JP4594236B2 (ja) * 2003-11-27 2010-12-08 ソリアニス・ホールディング・アーゲー グルコースレベルを測定するための方法
US8197406B2 (en) * 2003-12-02 2012-06-12 Biovotion Ag Device and method for measuring a property of living tissue
PL1718200T3 (pl) 2004-02-05 2017-01-31 Dermal Devices Inc. Urządzenie do mierzenia glukozy we krwi z użyciem pomiarów impedancji sub-skórnej tkanki ciała
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
US7297123B2 (en) * 2004-04-19 2007-11-20 Nova Technology Corporation Method and apparatus for accessing oral mucositis
DE602004021515D1 (de) * 2004-06-07 2009-07-23 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
WO2006044727A2 (en) 2004-10-15 2006-04-27 Baxano, Inc. Devices and methods for tissue removal
US7578819B2 (en) 2005-05-16 2009-08-25 Baxano, Inc. Spinal access and neural localization
US8613745B2 (en) 2004-10-15 2013-12-24 Baxano Surgical, Inc. Methods, systems and devices for carpal tunnel release
US8430881B2 (en) 2004-10-15 2013-04-30 Baxano, Inc. Mechanical tissue modification devices and methods
US20110190772A1 (en) 2004-10-15 2011-08-04 Vahid Saadat Powered tissue modification devices and methods
US8062300B2 (en) 2006-05-04 2011-11-22 Baxano, Inc. Tissue removal with at least partially flexible devices
US9247952B2 (en) 2004-10-15 2016-02-02 Amendia, Inc. Devices and methods for tissue access
US20100331883A1 (en) 2004-10-15 2010-12-30 Schmitz Gregory P Access and tissue modification systems and methods
US7555343B2 (en) 2004-10-15 2009-06-30 Baxano, Inc. Devices and methods for selective surgical removal of tissue
US7887538B2 (en) 2005-10-15 2011-02-15 Baxano, Inc. Methods and apparatus for tissue modification
US8048080B2 (en) 2004-10-15 2011-11-01 Baxano, Inc. Flexible tissue rasp
US9101386B2 (en) 2004-10-15 2015-08-11 Amendia, Inc. Devices and methods for treating tissue
US8257356B2 (en) 2004-10-15 2012-09-04 Baxano, Inc. Guidewire exchange systems to treat spinal stenosis
US7938830B2 (en) 2004-10-15 2011-05-10 Baxano, Inc. Powered tissue modification devices and methods
US7738969B2 (en) 2004-10-15 2010-06-15 Baxano, Inc. Devices and methods for selective surgical removal of tissue
US8221397B2 (en) 2004-10-15 2012-07-17 Baxano, Inc. Devices and methods for tissue modification
US8734341B2 (en) * 2004-12-20 2014-05-27 Ipventure, Inc. Method and apparatus to sense hydration level of a person
US11013461B2 (en) 2004-12-20 2021-05-25 Ipventure, Inc. Method and apparatus for hydration level of a person
US10258278B2 (en) 2004-12-20 2019-04-16 Ipventure, Inc. Method and apparatus to sense hydration level of a person
US8202217B2 (en) * 2004-12-20 2012-06-19 Ip Venture, Inc. Healthcare base
US8118740B2 (en) 2004-12-20 2012-02-21 Ipventure, Inc. Moisture sensor for skin
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
EP2449964B1 (de) 2005-07-01 2016-08-10 Impedimed Limited Konnektor für Impedanzmesssystem
CN101252880A (zh) * 2005-09-02 2008-08-27 宝洁公司 用于在零售点测定皮肤含水量的方法
EP1919356B1 (de) * 2005-09-02 2012-06-13 The Procter & Gamble Company Verfahren zur messung des feuchtigkeitsgehalts der haut
CN101252879A (zh) * 2005-09-02 2008-08-27 宝洁公司 有效的头皮健康状况预测器
MX2008003077A (es) * 2005-09-02 2008-03-19 Procter & Gamble Metodos para medir la humedad como un indicador de la salud del cuero cabelludo.
ES2476999T3 (es) 2005-10-11 2014-07-15 Impedimed Limited Monitorización del estado de hidratación
US8366712B2 (en) 2005-10-15 2013-02-05 Baxano, Inc. Multiple pathways for spinal nerve root decompression from a single access point
US20080086034A1 (en) 2006-08-29 2008-04-10 Baxano, Inc. Tissue Access Guidewire System and Method
US8062298B2 (en) 2005-10-15 2011-11-22 Baxano, Inc. Flexible tissue removal devices and methods
US8092456B2 (en) 2005-10-15 2012-01-10 Baxano, Inc. Multiple pathways for spinal nerve root decompression from a single access point
EP1954175B1 (de) * 2005-11-10 2016-07-13 Biovotion AG Vorrichtung zur bestimmung des blutzuckerspiegels in körpergewebe
US9636035B2 (en) 2005-12-14 2017-05-02 Scibase Ab Medical apparatus for determination of biological conditions using impedance measurements
EP1962672A2 (de) * 2005-12-16 2008-09-03 Bayer Healthcare, LLC Nicht invasive in-vivo bioelektroimpedanzanalyse von glucose-vermitteltem gewebe
US8112293B2 (en) 2006-03-24 2012-02-07 Ipventure, Inc Medical monitoring system
WO2007112328A2 (en) * 2006-03-24 2007-10-04 University Of Utah Research Foundation Measurement of thickness of dielectric films on surfaces
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
US7951144B2 (en) * 2007-01-19 2011-05-31 Mahajan Roop L Thermal and electrical conductivity probes and methods of making the same
KR100857180B1 (ko) * 2007-01-22 2008-09-05 삼성전자주식회사 전력 소비를 최소화하는 피부 수화도 측정 장치
EP2148613B9 (de) 2007-04-20 2014-12-10 Impedimed Limited Überwachungssystem und sonde
EP2173236A1 (de) 2007-07-02 2010-04-14 Biogauge - Nordic Bioimpedance Research As Verfahren und kit zur schweissaktivitätsmessung
CA2707419A1 (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
EP2248459A4 (de) * 2008-03-03 2014-01-15 Univ Nagasaki Verfahren zur messung des elektrischen widerstandes eines kornealen transepithels
WO2009131664A2 (en) 2008-04-21 2009-10-29 Carl Frederick Edman 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
US8398641B2 (en) 2008-07-01 2013-03-19 Baxano, Inc. Tissue modification devices and methods
WO2010009093A2 (en) 2008-07-14 2010-01-21 Baxano, Inc Tissue modification devices
US8409206B2 (en) 2008-07-01 2013-04-02 Baxano, Inc. Tissue modification devices and methods
US9314253B2 (en) 2008-07-01 2016-04-19 Amendia, Inc. Tissue modification devices and methods
EP3031395A1 (de) * 2008-10-07 2016-06-15 Orsan Medical Technologies Ltd. Überwachung von patienten mit akutem schlaganfall
AU2009338647B2 (en) * 2009-01-27 2015-03-19 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
CA2749673A1 (en) 2009-03-13 2010-09-16 Baxano, Inc. Flexible neural localization devices and methods
EP2419012B1 (de) 2009-04-17 2015-03-18 Biovotion AG Vorrichtung zur messung von eigenschaften von körpergewebe
EP2429380A1 (de) 2009-04-17 2012-03-21 Biovotion AG Breitbandspektrumsreaktionsmessung für glukosebestimmung
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
US9615767B2 (en) 2009-10-26 2017-04-11 Impedimed Limited Fluid level indicator determination
WO2011060497A1 (en) 2009-11-18 2011-05-26 Impedimed Limited Signal distribution for patient-electrode measurements
GEP20176628B (en) * 2010-01-22 2017-02-27 Sangamo Biosciences Inc Targeted genomic alteration
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
EP2790576A4 (de) * 2011-12-14 2015-07-08 Intersection Medical Inc Vorrichtungen, systeme und verfahren zur bestimmung der relativen räumlichen veränderung in unterirdischen widerständen zwischen frequenzen in einem gewebe
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
KR20170072188A (ko) 2014-09-23 2017-06-26 티어랩 리서치, 인코포레이티드 미세 유체 눈물 포집 및 관심 대상인 분석물의 측방 유동 분석의 통합을 위한 시스템 및 방법
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
EP3801243B1 (de) 2018-05-24 2022-04-20 Scibase Ab Impedanzmessvorrichtung
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
FI110304B (fi) 2002-12-31
EP0553187B1 (de) 1998-07-01
ES2120419T3 (es) 1998-11-01
CA2093922C (en) 2001-07-31
EP0553187A1 (de) 1993-08-04
JP3320413B2 (ja) 2002-09-03
DK0553187T3 (da) 1999-06-28
ATE167794T1 (de) 1998-07-15
WO1992006634A1 (en) 1992-04-30
JPH06502323A (ja) 1994-03-17
FI931730A (fi) 1993-04-16
SE9003336D0 (sv) 1990-10-18
KR100201178B1 (ko) 1999-06-15
AU8849991A (en) 1992-05-20
SE9003336A (de) 1992-04-19
HU216496B (hu) 1999-07-28
HU9301109D0 (en) 1993-08-30
NO307863B1 (no) 2000-06-13
CA2093922A1 (en) 1992-04-19
AU659111B2 (en) 1995-05-11
SE466987B (sv) 1992-05-11
FI931730A0 (fi) 1993-04-16
NO931415D0 (no) 1993-04-16
HUT66173A (en) 1994-09-28
US5353802A (en) 1994-10-11
DE69129698D1 (de) 1998-08-06
NO931415L (no) 1993-05-13

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