WO1996041566A3 - Sensor, method and device for optical blood oximetry - Google Patents

Sensor, method and device for optical blood oximetry Download PDF

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Publication number
WO1996041566A3
WO1996041566A3 PCT/IL1996/000006 IL9600006W WO9641566A3 WO 1996041566 A3 WO1996041566 A3 WO 1996041566A3 IL 9600006 W IL9600006 W IL 9600006W WO 9641566 A3 WO9641566 A3 WO 9641566A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical blood
new sensor
sensor
blood oximetry
light
Prior art date
Application number
PCT/IL1996/000006
Other languages
French (fr)
Other versions
WO1996041566A2 (en
Inventor
Ilya Fine
Alexander Sternberg
Yeshayahu Katz
Leonid Goldinov
Boris Rapoport
Original Assignee
Cybro Medical Ltd
Ilya Fine
Alexander Sternberg
Yeshayahu Katz
Leonid Goldinov
Boris Rapoport
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
Priority claimed from IL11408095A external-priority patent/IL114080A0/en
Priority claimed from IL11408295A external-priority patent/IL114082A/en
Application filed by Cybro Medical Ltd, Ilya Fine, Alexander Sternberg, Yeshayahu Katz, Leonid Goldinov, Boris Rapoport filed Critical Cybro Medical Ltd
Priority to AU59096/96A priority Critical patent/AU708051B2/en
Priority to IL12251596A priority patent/IL122515A/en
Priority to DE1996631698 priority patent/DE69631698T2/en
Priority to JP50286797A priority patent/JP3772189B2/en
Priority to US08/973,709 priority patent/US6031603A/en
Priority to EP19960916287 priority patent/EP0957747B1/en
Priority to CA 2221968 priority patent/CA2221968C/en
Publication of WO1996041566A2 publication Critical patent/WO1996041566A2/en
Publication of WO1996041566A3 publication Critical patent/WO1996041566A3/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • A61B5/14551Measuring 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 for measuring blood gases
    • A61B5/14552Details of sensors specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233Special features of optical sensors or probes classified in A61B5/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04Arrangements of multiple sensors of the same type
    • A61B2562/046Arrangements of multiple sensors of the same type in a matrix array
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4738Diffuse reflection, e.g. also for testing fluids, fibrous materials
    • G01N21/474Details of optical heads therefor, e.g. using optical fibres
    • G01N2021/4742Details of optical heads therefor, e.g. using optical fibres comprising optical fibres
    • G01N2021/4747Concentric bundles

Abstract

There is described a new sensor for optical blood oximetry as well as a method and apparatus in which the new sensor is used. The new sensor includes two point-like light emitters positioned in the center of the device in close proximity to each other and at least one and preferably two annular detector terminals concentrically surrounding the light emitters. The light sources may, for example, be two laser diodes emitting each monochromatic light within the range of 670-940 nm. The detector devices are, for example, photodiodes.
PCT/IL1996/000006 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry WO1996041566A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU59096/96A AU708051B2 (en) 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry
IL12251596A IL122515A (en) 1995-06-09 1996-06-06 Sensor method and device for optical blood oximetry
DE1996631698 DE69631698T2 (en) 1995-06-09 1996-06-06 SENSOR, METHOD AND DEVICE FOR OPTICAL BLOOD OXYMETRY
JP50286797A JP3772189B2 (en) 1995-06-09 1996-06-06 Sensor for optical measurement of blood oxygen saturation, measuring method thereof, and measuring apparatus thereof
US08/973,709 US6031603A (en) 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry
EP19960916287 EP0957747B1 (en) 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry
CA 2221968 CA2221968C (en) 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IL11408095A IL114080A0 (en) 1995-06-09 1995-06-09 A method and a device for optical oximetry of blood
IL114080 1995-06-09
IL114082 1995-06-09
IL11408295A IL114082A (en) 1995-06-09 1995-06-09 Probe for optical blood oximetry

Publications (2)

Publication Number Publication Date
WO1996041566A2 WO1996041566A2 (en) 1996-12-27
WO1996041566A3 true WO1996041566A3 (en) 1997-05-15

Family

ID=26323076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1996/000006 WO1996041566A2 (en) 1995-06-09 1996-06-06 Sensor, method and device for optical blood oximetry

Country Status (8)

Country Link
US (1) US6031603A (en)
EP (1) EP0957747B1 (en)
JP (2) JP3772189B2 (en)
AU (1) AU708051B2 (en)
CA (1) CA2221968C (en)
DE (1) DE69631698T2 (en)
IL (1) IL122515A (en)
WO (1) WO1996041566A2 (en)

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