EP2077750A4 - Method and apparatus for noninvasive probe/skin tissue contact sensing - Google Patents

Method and apparatus for noninvasive probe/skin tissue contact sensing

Info

Publication number
EP2077750A4
EP2077750A4 EP07863843A EP07863843A EP2077750A4 EP 2077750 A4 EP2077750 A4 EP 2077750A4 EP 07863843 A EP07863843 A EP 07863843A EP 07863843 A EP07863843 A EP 07863843A EP 2077750 A4 EP2077750 A4 EP 2077750A4
Authority
EP
European Patent Office
Prior art keywords
skin tissue
tissue contact
contact sensing
noninvasive probe
noninvasive
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.)
Withdrawn
Application number
EP07863843A
Other languages
German (de)
French (fr)
Other versions
EP2077750A2 (en
Inventor
Timothy L Ruchti
James M Welch
Christopher Slawinski
Thomas B Blank
Stephen L Monfre
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.)
Sensys Medical Inc
Original Assignee
Sensys Medical Inc
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 Sensys Medical Inc filed Critical Sensys Medical Inc
Publication of EP2077750A2 publication Critical patent/EP2077750A2/en
Publication of EP2077750A4 publication Critical patent/EP2077750A4/en
Withdrawn legal-status Critical Current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
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14532—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring glucose, e.g. by tissue impedance measurement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6843—Monitoring or controlling sensor contact pressure
    • 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
    • A61B2562/14—Coupling media or elements to improve sensor contact with skin or tissue
    • A61B2562/146—Coupling media or elements to improve sensor contact with skin or tissue for optical coupling
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/027—Control of working procedures of a spectrometer; Failure detection; Bandwidth calculation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0278—Control or determination of height or angle information for sensors or receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
EP07863843A 2006-11-03 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing Withdrawn EP2077750A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86437506P 2006-11-03 2006-11-03
PCT/US2007/083497 WO2008058014A2 (en) 2006-11-03 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing

Publications (2)

Publication Number Publication Date
EP2077750A2 EP2077750A2 (en) 2009-07-15
EP2077750A4 true EP2077750A4 (en) 2010-03-31

Family

ID=39365265

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07863843A Withdrawn EP2077750A4 (en) 2006-11-03 2007-11-02 Method and apparatus for noninvasive probe/skin tissue contact sensing

Country Status (2)

Country Link
EP (1) EP2077750A4 (en)
WO (1) WO2008058014A2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9468379B2 (en) 2010-04-21 2016-10-18 Koninklijke Philips N.V. Determination of a lipid water ratio
US20150245782A1 (en) * 2014-02-28 2015-09-03 Covidien Lp Systems and methods for capacitance sensing in medical devices
CN107249451A (en) * 2014-10-15 2017-10-13 外分泌腺系统公司 Sweat sensing device communications security and compliance
WO2016138087A1 (en) * 2015-02-24 2016-09-01 Eccrine Systems, Inc. Dynamic sweat sensor management
US10646142B2 (en) 2015-06-29 2020-05-12 Eccrine Systems, Inc. Smart sweat stimulation and sensing devices
WO2017070640A1 (en) 2015-10-23 2017-04-27 Eccrine Systems, Inc. Devices capable of sample concentration for extended sensing of sweat analytes
US10674946B2 (en) 2015-12-18 2020-06-09 Eccrine Systems, Inc. Sweat sensing devices with sensor abrasion protection
EP3405095B1 (en) * 2016-01-18 2023-12-20 Erasmus University Medical Center Rotterdam Tissue sample analysis
US11957460B2 (en) * 2016-06-28 2024-04-16 Lifeplus Inc Common sample depth/zone noninvasive glucose concentration determination analyzer apparatus and method of use thereof
CN110035690A (en) 2016-07-19 2019-07-19 外分泌腺系统公司 Sweat conductivity, volume perspiration rate and electrodermal response equipment and application
US10736565B2 (en) 2016-10-14 2020-08-11 Eccrine Systems, Inc. Sweat electrolyte loss monitoring devices
EP3505048A1 (en) * 2017-12-28 2019-07-03 Koninklijke Philips N.V. Optical skin sensor using optimal spectral bands to minimize the effect of probe pressure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050267342A1 (en) * 2004-04-28 2005-12-01 Blank Thomas B Noninvasive analyzer sample probe interface method and apparatus
WO2006091911A2 (en) * 2000-05-02 2006-08-31 Sensys Medical, Inc. Noninvasive analyzer sample probe interface method and apparatus
WO2007087529A2 (en) * 2006-01-23 2007-08-02 Sensys Medical, Inc. Method and apparatus for sample probe movement control

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE246356T1 (en) * 1998-05-13 2003-08-15 Cygnus Therapeutic Systems DEVICE FOR PREDICTING PHYSIOLOGICAL MEASUREMENTS
US7184820B2 (en) * 2002-01-25 2007-02-27 Subqiview, Inc. Tissue monitoring system for intravascular infusion
US7697966B2 (en) * 2002-03-08 2010-04-13 Sensys Medical, Inc. Noninvasive targeting system method and apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006091911A2 (en) * 2000-05-02 2006-08-31 Sensys Medical, Inc. Noninvasive analyzer sample probe interface method and apparatus
US20050267342A1 (en) * 2004-04-28 2005-12-01 Blank Thomas B Noninvasive analyzer sample probe interface method and apparatus
WO2007087529A2 (en) * 2006-01-23 2007-08-02 Sensys Medical, Inc. Method and apparatus for sample probe movement control

Also Published As

Publication number Publication date
WO2008058014A3 (en) 2008-08-21
WO2008058014A2 (en) 2008-05-15
EP2077750A2 (en) 2009-07-15

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20090504

AK Designated contracting states

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Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SLAWINSKI, CHRISTOPHER

Inventor name: BLANK, THOMAS B.

Inventor name: WELCH, JAMES M.

Inventor name: RUCHTI, TIMOTHY L.

Inventor name: MONFRE, STEPHEN L.

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20100301

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 20100529