WO2000009004A3 - Optical device - Google Patents

Optical device Download PDF

Info

Publication number
WO2000009004A3
WO2000009004A3 PCT/GB1999/002510 GB9902510W WO0009004A3 WO 2000009004 A3 WO2000009004 A3 WO 2000009004A3 GB 9902510 W GB9902510 W GB 9902510W WO 0009004 A3 WO0009004 A3 WO 0009004A3
Authority
WO
WIPO (PCT)
Prior art keywords
oxygen saturation
blood oxygen
sensor device
light beam
optical device
Prior art date
Application number
PCT/GB1999/002510
Other languages
French (fr)
Other versions
WO2000009004A2 (en
Inventor
Dawood Parker
Original Assignee
Whitland Res Ltd
Dawood Parker
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 GBGB9817552.4A external-priority patent/GB9817552D0/en
Priority claimed from GBGB9904232.7A external-priority patent/GB9904232D0/en
Application filed by Whitland Res Ltd, Dawood Parker filed Critical Whitland Res Ltd
Priority to US09/762,923 priority Critical patent/US6842635B1/en
Priority to AU51804/99A priority patent/AU5180499A/en
Priority to EP99936829A priority patent/EP1104254A2/en
Publication of WO2000009004A2 publication Critical patent/WO2000009004A2/en
Publication of WO2000009004A3 publication Critical patent/WO2000009004A3/en
Priority to US10/950,257 priority patent/US7400918B2/en
Priority to US10/994,682 priority patent/US7236813B2/en
Priority to US11/057,578 priority patent/US7221970B2/en
Priority to US12/014,582 priority patent/US20080132771A1/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
    • A61B5/14551—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 for measuring blood gases
    • 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
    • A61B5/1491—Heated applicators
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor

Abstract

A sensor device (1) which comprises light source means for emitting a light beam, photodetector means for receiving the light beam after passing through or being reflected within living tissue and arranged to provide signals corresponding to the intensities of the respective wavelength of light received by the photodetector means characterised in that the sensor device measures blood oxygen saturation. The device can be used in conjunction with a conventional pulse oximeter. There is also described a method of measuring blood oxygen saturation.
PCT/GB1999/002510 1998-07-04 1999-07-30 Optical device WO2000009004A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
US09/762,923 US6842635B1 (en) 1998-08-13 1999-07-30 Optical device
AU51804/99A AU5180499A (en) 1998-08-13 1999-07-30 Optical device
EP99936829A EP1104254A2 (en) 1998-08-13 1999-07-30 Optical device
US10/950,257 US7400918B2 (en) 1998-07-04 2004-09-24 Measurement of blood oxygen saturation
US10/994,682 US7236813B2 (en) 1998-08-13 2004-11-22 Optical device
US11/057,578 US7221970B2 (en) 1998-08-13 2005-02-14 Optical device
US12/014,582 US20080132771A1 (en) 1998-07-04 2008-01-15 Measurement of blood oxygen saturation

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9817552.4 1998-08-13
GBGB9817552.4A GB9817552D0 (en) 1998-08-13 1998-08-13 Optical device
GB9904232.7 1999-02-25
GBGB9904232.7A GB9904232D0 (en) 1999-02-25 1999-02-25 Optical device

Related Child Applications (4)

Application Number Title Priority Date Filing Date
PCT/GB1999/002127 Continuation-In-Part WO2000001294A1 (en) 1998-07-04 1999-07-02 Non-invasive measurement of blood analytes
US09743206 Continuation-In-Part 1999-07-02
US09762923 A-371-Of-International 1999-07-30
US10/994,682 Division US7236813B2 (en) 1998-08-13 2004-11-22 Optical device

Publications (2)

Publication Number Publication Date
WO2000009004A2 WO2000009004A2 (en) 2000-02-24
WO2000009004A3 true WO2000009004A3 (en) 2000-06-02

Family

ID=26314199

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1999/002510 WO2000009004A2 (en) 1998-07-04 1999-07-30 Optical device

Country Status (4)

Country Link
US (3) US6842635B1 (en)
EP (2) EP1598003A3 (en)
AU (1) AU5180499A (en)
WO (1) WO2000009004A2 (en)

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* Cited by examiner, † Cited by third party
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US7221970B2 (en) 2007-05-22
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