DE68923640T2 - Vorrichtung zur Messung des Wassergehaltes der Haut. - Google Patents

Vorrichtung zur Messung des Wassergehaltes der Haut.

Info

Publication number
DE68923640T2
DE68923640T2 DE68923640T DE68923640T DE68923640T2 DE 68923640 T2 DE68923640 T2 DE 68923640T2 DE 68923640 T DE68923640 T DE 68923640T DE 68923640 T DE68923640 T DE 68923640T DE 68923640 T2 DE68923640 T2 DE 68923640T2
Authority
DE
Germany
Prior art keywords
amplifier
skin
detector
substrate
water content
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 - Fee Related
Application number
DE68923640T
Other languages
English (en)
Other versions
DE68923640D1 (de
Inventor
Jean Scot
Roland Bazin
Jean-Luc Leveque
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.)
LOreal SA
Original Assignee
LOreal SA
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 LOreal SA filed Critical LOreal SA
Application granted granted Critical
Publication of DE68923640D1 publication Critical patent/DE68923640D1/de
Publication of DE68923640T2 publication Critical patent/DE68923640T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • A61B5/442—Evaluating skin mechanical properties, e.g. elasticity, hardness, texture, wrinkle assessment
    • 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
    • A61B5/0531—Measuring skin impedance
DE68923640T 1988-03-25 1989-03-17 Vorrichtung zur Messung des Wassergehaltes der Haut. Expired - Fee Related DE68923640T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8803937A FR2629204B1 (fr) 1988-03-25 1988-03-25 Dispositif pour realiser une mesure de la teneur en eau d'un substrat, notamment de la peau

Publications (2)

Publication Number Publication Date
DE68923640D1 DE68923640D1 (de) 1995-09-07
DE68923640T2 true DE68923640T2 (de) 1996-04-18

Family

ID=9364641

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68923640T Expired - Fee Related DE68923640T2 (de) 1988-03-25 1989-03-17 Vorrichtung zur Messung des Wassergehaltes der Haut.

Country Status (9)

Country Link
US (1) US5001436A (de)
EP (1) EP0335767B1 (de)
JP (1) JP2881446B2 (de)
KR (1) KR890015014A (de)
AT (1) ATE125676T1 (de)
CA (1) CA1323772C (de)
DE (1) DE68923640T2 (de)
ES (1) ES2075067T3 (de)
FR (1) FR2629204B1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0592706U (ja) * 1992-05-19 1993-12-17 ティーディーケイ株式会社 湿度検出装置
US5610526A (en) * 1992-11-23 1997-03-11 The Narda Microwave Corp. Contact hazard meter having a human equivalent circuit
DE4422951A1 (de) * 1994-06-30 1996-01-04 Bosch Gmbh Robert Verbindungsanordnung zwischen einem Sensor und Anschlußleitungen
TW314460B (de) * 1995-11-30 1997-09-01 Moritex Kk
CA2199554C (en) * 1996-03-12 2006-03-14 Loren R. Ouellette Skin analyzer with speech capability
WO2000062671A1 (en) 1999-04-20 2000-10-26 Nova Technology Corporation Apparatus for measuring relative hydration of a substrate
US6259243B1 (en) * 1999-06-04 2001-07-10 Lynn C. Lundquist Method for electromagnetically shielding inductive voltage detectors
US6408204B1 (en) 1999-07-28 2002-06-18 Medrad, Inc. Apparatuses and methods for extravasation detection
US7047058B1 (en) 2001-02-06 2006-05-16 Medrad, Inc. Apparatuses, systems and methods for extravasation detection
US7044911B2 (en) 2001-06-29 2006-05-16 Philometron, Inc. Gateway platform for biological monitoring and delivery of therapeutic compounds
WO2003009753A2 (en) * 2001-07-26 2003-02-06 Chad Bouton Detection of fluids in tissue
EP1414339B1 (de) * 2001-07-26 2006-10-25 Medrad Inc. Elektromagnetische sensoren für anwendungen am biologischen gewebe
FR2835732B1 (fr) * 2002-02-11 2004-11-12 Spinevision Dispositif permettant le suivi de la penetration d'un moyen de penetration dans des elements anatomiques
US7542796B2 (en) * 2003-07-16 2009-06-02 Biomeridian International, Inc. Methods for obtaining quick, repeatable, and non-invasive bioelectrical signals in living organisms
US7087019B2 (en) * 2004-01-16 2006-08-08 Han-Chin Kao Apparatus for testing skin moisture
US7937139B2 (en) * 2004-07-20 2011-05-03 Biomeridian International, Inc. Systems and methods of utilizing electrical readings in the determination of treatment
WO2006029034A2 (en) * 2004-09-02 2006-03-16 Philometron, Inc. Monitoring platform for detection of hypovolemia, hemorrhage and blood loss
JP4652788B2 (ja) * 2004-11-30 2011-03-16 株式会社ケット科学研究所 コンクリート、モルタル、木材等の水分測定装置
US20070213606A1 (en) * 2005-09-02 2007-09-13 Sherman Faiz F Method and device for indicating moisture content of skin
US20070191694A1 (en) * 2005-09-02 2007-08-16 Sherman Faiz F Methods for measuring moisture content of skin
MX2008003080A (es) * 2005-09-02 2008-03-19 Procter & Gamble Metodos para la medicion del contenido de humedad de la piel.
CN101252882A (zh) * 2005-09-02 2008-08-27 宝洁公司 测定水分作为头皮健康状况预报的方法
US20070056859A1 (en) * 2005-09-02 2007-03-15 Sherman Faiz F Efficacious scalp health predictor
JP4827239B2 (ja) * 2006-01-17 2011-11-30 株式会社ケット科学研究所 打設中のコンクリートの欠陥検出・充填度合い測定装置及び該欠陥検出・充填度合い測定方法
US8151624B2 (en) * 2007-09-14 2012-04-10 The Procter & Gamble Company Method for measuring surface smoothness of hair
EP3260043A1 (de) * 2008-04-21 2017-12-27 Carl Frederick Edman Stoffwechselenergie-überwachungssystem
US9075910B2 (en) * 2010-03-11 2015-07-07 Philometron, Inc. Physiological monitor system for determining medication delivery and outcome
AU2011253253B2 (en) * 2010-05-08 2015-10-22 Bruin Biometrics, Llc SEM scanner sensing apparatus, system and methodology for early detection of ulcers
US10987017B2 (en) 2011-09-02 2021-04-27 Battelle Memorial Institute Distributed extravasation detecton system
US11357417B2 (en) 2012-01-19 2022-06-14 Cerebrotech Medical Systems, Inc. Continuous autoregulation system
US10743815B2 (en) 2012-01-19 2020-08-18 Cerebrotech Medical Systems, Inc. Detection and analysis of spatially varying fluid levels using magnetic signals
WO2013110001A1 (en) 2012-01-19 2013-07-25 Cerebrotech Medical Systems, Inc. Diagnostic system for detection of fluid changes
US9326685B2 (en) 2012-09-14 2016-05-03 Conopco, Inc. Device for evaluating condition of skin or hair
RU2534747C1 (ru) * 2013-12-13 2014-12-10 Федеральное государственное учреждение науки Институт проблем управления им. В.А. Трапезникова РАН Устройство для измерения физических свойств жидкости в емкости
CA3059988C (en) 2015-04-24 2023-03-07 Bruin Biometrics, Llc Apparatus and methods for determining damaged tissue using sub-epidermal moisture measurements
CN113169488B (zh) 2018-10-11 2023-10-31 布鲁恩生物有限责任公司 具有一次性元件的装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1265357A (fr) * 1960-05-20 1961-06-30 Procédé d'examen épidermique par mesure de la résistivité superficielle de la peau
DE1598910A1 (de) * 1965-12-27 1970-05-06 Pharma Cosma Ag Geraet zur kosmetischen Hautuntersuchung durch Messung der Hautfeuchtigkeit
US3870951A (en) * 1974-03-06 1975-03-11 Ontario Research Foundation Moisture measuring probe
FR2266882A1 (en) * 1974-04-05 1975-10-31 Jaunet Louis Skin care automatic electronic monitoring unit - compares acidity with standard representing normal condition
US4403215A (en) * 1977-12-27 1983-09-06 Hellige, Gmbh Apparatus for automatically monitoring body functions
JPS54108697A (en) * 1978-02-14 1979-08-25 Daiki Rika Kougiyou Kk Soil moisture measuring instrument
DD136897B1 (de) * 1978-06-20 1981-03-25 Elektromat Veb Kapazitiver messfuehler
US4176555A (en) * 1978-08-07 1979-12-04 Mechanical Technology Incorporated Signal amplifier system for controlled carrier signal measuring sensor/transducer of the variable impedance type
JPS58144215U (ja) * 1982-03-23 1983-09-28 岩崎通信機株式会社 変位計の静電容量プロ−プ
JPS5928646A (ja) * 1982-08-11 1984-02-15 Kao Corp 皮膚水分含有量の測定方法およびその装置
JPS59102005U (ja) * 1982-12-27 1984-07-10 株式会社ケツト科学研究所 皮膚コンデイシヨン判定装置
DE3328210C2 (de) * 1983-08-04 1986-01-09 Endress U. Hauser Gmbh U. Co, 7867 Maulburg Kapazitiver Sensor
US4692685A (en) * 1984-03-14 1987-09-08 Blaze Kevin L Electrical measuring apparatus, and methods for determining the condition or identity of biological material
JPS60154852U (ja) * 1984-03-23 1985-10-15 シャープ株式会社 水分計
JPS61242101A (ja) * 1985-04-19 1986-10-28 Hitachi Ltd 厚膜混成集積回路

Also Published As

Publication number Publication date
EP0335767B1 (de) 1995-08-02
EP0335767A1 (de) 1989-10-04
FR2629204A1 (fr) 1989-09-29
JPH0221255A (ja) 1990-01-24
FR2629204B1 (fr) 1990-12-14
JP2881446B2 (ja) 1999-04-12
ATE125676T1 (de) 1995-08-15
DE68923640D1 (de) 1995-09-07
ES2075067T3 (es) 1995-10-01
KR890015014A (ko) 1989-10-28
CA1323772C (fr) 1993-11-02
US5001436A (en) 1991-03-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee