WO2002056788A3 - Sensor system for diagnosing conditions - Google Patents

Sensor system for diagnosing conditions Download PDF

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Publication number
WO2002056788A3
WO2002056788A3 PCT/US2001/048667 US0148667W WO02056788A3 WO 2002056788 A3 WO2002056788 A3 WO 2002056788A3 US 0148667 W US0148667 W US 0148667W WO 02056788 A3 WO02056788 A3 WO 02056788A3
Authority
WO
WIPO (PCT)
Prior art keywords
indicative
containing compounds
ion concentration
sensor unit
sensor system
Prior art date
Application number
PCT/US2001/048667
Other languages
French (fr)
Other versions
WO2002056788A2 (en
Inventor
James R Mault
Original Assignee
Healthetech Inc
James R Mault
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 Healthetech Inc, James R Mault filed Critical Healthetech Inc
Priority to AU2002246674A priority Critical patent/AU2002246674A1/en
Publication of WO2002056788A2 publication Critical patent/WO2002056788A2/en
Publication of WO2002056788A3 publication Critical patent/WO2002056788A3/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
    • A61B5/145—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
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/082—Evaluation by breath analysis, e.g. determination of the chemical composition of exhaled breath
    • 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
    • A61B5/14539—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 pH
    • 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
    • A61B5/6814—Head
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C19/00—Dental auxiliary appliances
    • A61C19/04—Measuring instruments specially adapted for dentistry
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0238—Optical sensor arrangements for performing transmission measurements on body tissue
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Pathology (AREA)
  • Dentistry (AREA)
  • Optics & Photonics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Physiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Pulmonology (AREA)
  • Epidemiology (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Abstract

A sensor system for diagnosing dental conditions includes a sensor unit (10) which is in contact with an oral fluid such as saliva or gas, and which is operative to provide detectable signals indicative of at least two of hydrogen ion concentration, hydroxyl ion concentration, calcium, phosphate, sulfur, sulfur containing compounds, nitrogen containing compounds, microbial metabolites, and microbes. The system includes a signal processor which is in communication with the sensor unit and which operates to provide a processed signal indicative of one or more dental conditions. The signal processor transmits the processed signal to a storage and display device (60 and 62) which displays a user detectable diagnostic message indicative of a dental condition, or suggestive of a remedial action.
PCT/US2001/048667 2000-10-30 2001-10-30 Sensor system for diagnosing conditions WO2002056788A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002246674A AU2002246674A1 (en) 2000-10-30 2001-10-30 Sensor system for diagnosing conditions

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US24430900P 2000-10-30 2000-10-30
US60/244,309 2000-10-30
US10/040,016 2001-10-26
US10/040,016 US6607387B2 (en) 2000-10-30 2001-10-26 Sensor system for diagnosing dental conditions

Publications (2)

Publication Number Publication Date
WO2002056788A2 WO2002056788A2 (en) 2002-07-25
WO2002056788A3 true WO2002056788A3 (en) 2004-01-08

Family

ID=26716656

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/048667 WO2002056788A2 (en) 2000-10-30 2001-10-30 Sensor system for diagnosing conditions

Country Status (3)

Country Link
US (1) US6607387B2 (en)
AU (1) AU2002246674A1 (en)
WO (1) WO2002056788A2 (en)

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