WO2005045377A3 - Method and system for non-invasive measurements in a human body - Google Patents

Method and system for non-invasive measurements in a human body Download PDF

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Publication number
WO2005045377A3
WO2005045377A3 PCT/IL2004/001015 IL2004001015W WO2005045377A3 WO 2005045377 A3 WO2005045377 A3 WO 2005045377A3 IL 2004001015 W IL2004001015 W IL 2004001015W WO 2005045377 A3 WO2005045377 A3 WO 2005045377A3
Authority
WO
WIPO (PCT)
Prior art keywords
response
medium
condition
electromagnetic field
invasive measurements
Prior art date
Application number
PCT/IL2004/001015
Other languages
French (fr)
Other versions
WO2005045377A2 (en
Inventor
Ilya Fine
Alexander Finarov
Iosef Gandelman
Boris Fikhte
Original Assignee
Orsense Ltd
Ilya Fine
Alexander Finarov
Iosef Gandelman
Boris Fikhte
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 Orsense Ltd, Ilya Fine, Alexander Finarov, Iosef Gandelman, Boris Fikhte filed Critical Orsense Ltd
Priority to JP2006539070A priority Critical patent/JP2007510492A/en
Priority to EP04799324A priority patent/EP1686889A4/en
Publication of WO2005045377A2 publication Critical patent/WO2005045377A2/en
Publication of WO2005045377A3 publication Critical patent/WO2005045377A3/en
Priority to IL175450A priority patent/IL175450A/en
Priority to US10/578,479 priority patent/US20070078312A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/24—Probes
    • G01N29/2418—Probes using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0048—Detecting, measuring or recording by applying mechanical forces or stimuli
    • A61B5/0053—Detecting, measuring or recording by applying mechanical forces or stimuli by applying pressure, e.g. compression, indentation, palpation, grasping, gauging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0095—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying light and detecting acoustic waves, i.e. photoacoustic measurements
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/024—Mixtures
    • G01N2291/02466—Biological material, e.g. blood

Abstract

A method and system are presented for use in non-invasive measurements in a patient's body. A condition of artificial blood kinetics is created at a measurement location in a patient's blood perfused fleshy medium, and this condition is maintained for a certain time period. An external electromagnetic field is applied to the measurement location while under the condition of artificial blood kinetics. A time variation of a response of the blood perfused fleshy medium to this external electromagnetic field is detected, and measured data indicative thereof is generated. The response of the medium can be a photo-acoustic signal obtained in response to incident light, and/or impedance of the medium in response to the applied ac electromagnetic field.
PCT/IL2004/001015 2003-11-06 2004-11-04 Method and system for non-invasive measurements in a human body WO2005045377A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006539070A JP2007510492A (en) 2003-11-06 2004-11-04 Method and system for non-invasive measurement in the human body
EP04799324A EP1686889A4 (en) 2003-11-06 2004-11-04 Method and system for non-invasive measurements in a human body
IL175450A IL175450A (en) 2003-11-06 2006-05-04 Method and system for non-invasive measurements in a human body
US10/578,479 US20070078312A1 (en) 2003-11-06 2006-05-08 Method and system for non-invasive measurements in a human body

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/702,044 2003-11-06
US10/702,044 US7020506B2 (en) 2003-11-06 2003-11-06 Method and system for non-invasive determination of blood-related parameters

Publications (2)

Publication Number Publication Date
WO2005045377A2 WO2005045377A2 (en) 2005-05-19
WO2005045377A3 true WO2005045377A3 (en) 2005-10-27

Family

ID=34551580

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2004/001015 WO2005045377A2 (en) 2003-11-06 2004-11-04 Method and system for non-invasive measurements in a human body

Country Status (4)

Country Link
US (2) US7020506B2 (en)
EP (1) EP1686889A4 (en)
JP (1) JP2007510492A (en)
WO (1) WO2005045377A2 (en)

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Also Published As

Publication number Publication date
US20070078312A1 (en) 2007-04-05
EP1686889A4 (en) 2012-11-28
JP2007510492A (en) 2007-04-26
US20050101846A1 (en) 2005-05-12
WO2005045377A2 (en) 2005-05-19
EP1686889A2 (en) 2006-08-09
US7020506B2 (en) 2006-03-28

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