WO2000011453A3 - Micro sensor device - Google Patents

Micro sensor device Download PDF

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Publication number
WO2000011453A3
WO2000011453A3 PCT/US1999/019098 US9919098W WO0011453A3 WO 2000011453 A3 WO2000011453 A3 WO 2000011453A3 US 9919098 W US9919098 W US 9919098W WO 0011453 A3 WO0011453 A3 WO 0011453A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
sample
detector
substance
sensor device
Prior art date
Application number
PCT/US1999/019098
Other languages
French (fr)
Other versions
WO2000011453A2 (en
Inventor
Eric Jules Raskas
Original Assignee
Microsense International Ltd
Eric Jules Raskas
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 Microsense International Ltd, Eric Jules Raskas filed Critical Microsense International Ltd
Priority to DE1110077T priority Critical patent/DE1110077T1/en
Priority to AU56848/99A priority patent/AU5684899A/en
Priority to DE69931795T priority patent/DE69931795T2/en
Priority to EP99943822A priority patent/EP1110077B1/en
Publication of WO2000011453A2 publication Critical patent/WO2000011453A2/en
Publication of WO2000011453A3 publication Critical patent/WO2000011453A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—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
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0045—Devices for taking samples of body liquids
    • 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
    • A61B5/14507—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 specially adapted for measuring characteristics of body fluids other than blood
    • A61B5/1451—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 specially adapted for measuring characteristics of body fluids other than blood for interstitial fluid
    • A61B5/14514—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 specially adapted for measuring characteristics of body fluids other than blood for interstitial fluid using means for aiding extraction of interstitial fluid, e.g. microneedles or suction
    • 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
    • A61B5/14546—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 analytes not otherwise provided for, e.g. ions, cytochromes
    • 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
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/0045—Devices for taking samples of body liquids
    • A61B2010/008—Interstitial fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T436/00—Chemistry: analytical and immunological testing
    • Y10T436/14—Heterocyclic carbon compound [i.e., O, S, N, Se, Te, as only ring hetero atom]
    • Y10T436/142222—Hetero-O [e.g., ascorbic acid, etc.]
    • Y10T436/143333—Saccharide [e.g., DNA, etc.]
    • Y10T436/144444—Glucose

Abstract

A micro sensor device for measuring a concentration of a substance within a sample comprises an integrated sensor head (14) having a tip portion adapted to be inserted into a sample, a light source (40) for emitting a beam of light into and through the tip portion with the tip portion capable of interacting with a substance within a sample to produce a reflected pattern of light, and a detector (42) for receiving the reflected pattern of light, and a body portion (16) coupled to the integrated sensor head (14), the body portion (16) comprising a processor operatively connected to the light source and the detector, the processor for controlling the light source for emitting the beam of light, for receiving the pattern of reflected light from the detector, and for processing the reflected pattern of light to determine the concentration of a substance within a sample.
PCT/US1999/019098 1998-08-20 1999-08-18 Micro sensor device WO2000011453A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1110077T DE1110077T1 (en) 1998-08-20 1999-08-18 MICRO DETECTING DEVICE
AU56848/99A AU5684899A (en) 1998-08-20 1999-08-18 Micro sensor device
DE69931795T DE69931795T2 (en) 1998-08-20 1999-08-18 MICROSENSOR
EP99943822A EP1110077B1 (en) 1998-08-20 1999-08-18 Micro sensor device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/143,258 US6197257B1 (en) 1998-08-20 1998-08-20 Micro sensor device
US09/143,258 1998-08-20

Publications (2)

Publication Number Publication Date
WO2000011453A2 WO2000011453A2 (en) 2000-03-02
WO2000011453A3 true WO2000011453A3 (en) 2000-08-03

Family

ID=22503280

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/019098 WO2000011453A2 (en) 1998-08-20 1999-08-18 Micro sensor device

Country Status (5)

Country Link
US (1) US6197257B1 (en)
EP (1) EP1110077B1 (en)
AU (1) AU5684899A (en)
DE (2) DE69931795T2 (en)
WO (1) WO2000011453A2 (en)

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Also Published As

Publication number Publication date
WO2000011453A2 (en) 2000-03-02
EP1110077A2 (en) 2001-06-27
AU5684899A (en) 2000-03-14
EP1110077B1 (en) 2006-06-07
DE1110077T1 (en) 2001-12-20
US6197257B1 (en) 2001-03-06
DE69931795D1 (en) 2006-07-20
DE69931795T2 (en) 2006-12-28

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