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1. WO2005063117 - GLUCOMETER COMPRISING AN IMPLANTABLE LIGHT SOURCE

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Publication Number WO/2005/063117
Publication Date 14.07.2005
International Application No. PCT/IL2004/001166
International Filing Date 23.12.2004
IPC
A61B 5/00 2006.1
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes; Identification of persons
CPC
A61B 2560/0219
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
2560Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
02Operational features
0204of power management
0214of power generation or supply
0219of externally powered implanted units
A61B 5/0031
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
0002Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
0031Implanted circuitry
A61B 5/0095
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
0093Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
0095by applying light and detecting acoustic waves, i.e. photoacoustic measurements
A61B 5/14514
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
14507specially adapted for measuring characteristics of body fluids other than blood
1451for interstitial fluid
14514using means for aiding extraction of interstitial fluid, e.g. microneedles or suction
A61B 5/14532
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
14532for measuring glucose, e.g. by tissue impedance measurement
A61B 5/14546
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
14546for measuring analytes not otherwise provided for, e.g. ions, cytochromes
Applicants
  • GLUCON INC. [US]/[US] (AllExceptUS)
  • NAGAR, Ron [IL]/[IL] (UsOnly)
  • BITTON, Gabriel [IL]/[IL] (UsOnly)
  • PESACH, Benny [IL]/[IL] (UsOnly)
Inventors
  • NAGAR, Ron
  • BITTON, Gabriel
  • PESACH, Benny
Agents
  • FENSTER, Paul
Priority Data
60/532,57329.12.2003US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) GLUCOMETER COMPRISING AN IMPLANTABLE LIGHT SOURCE
(FR) GLUCOMETRE COMPRENANT UNE SOURCE LUMINEUSE IMPLANTEE
front page image
Abstract
(EN) Apparatus for assaying an analyte in a body comprising: at least one light source (22) implantable in the body controllable to illuminate a tissue region in the body with light at at least one wavelength that is absorbed by the analyte and as a result generates photoacoustic waves in or changes in an acoustic property of the tissue region; at least one acoustic sensing transducer (30) adapted to be coupled to the body for receiving acoustic energy from the tissue region and generating signals responsive thereto; and a processor (66) that receives the signals and processes them to determine a concentration of the analyte in the illuminated tissue region. Further, an apparatus for assaying an analyte in an interstitial fluid in a body comprising an implantable light source (116) and an implantable photosensor (124).
(FR) L'invention concerne un appareil permettant de doser un analyte dans un corps, qui comprend au moins une source lumineuse implantée dans ledit corps pouvant être commandée de façon à éclairer une région tissulaire de ce corps au moyen d'une lumière d'au moins une longueur d'onde qui est absorbée par l'analyte, et générant en conséquence des ondes photoacoustiques dans ladite région tissulaire; au moins un transducteur de détection acoustique couplé au corps qui reçoit l'énergie acoustique provenant des ondes photoacoustiques et génère des ondes de signaux sensibles à cette énergie; et un processeur qui reçoit les signaux et les traite afin de déterminer la concentration de l'analyte dans la région tissulaire éclairée.
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