WO1996028085A1 - Isolated layer pulse oximetry - Google Patents
Isolated layer pulse oximetry Download PDFInfo
- Publication number
- WO1996028085A1 WO1996028085A1 PCT/US1996/003536 US9603536W WO9628085A1 WO 1996028085 A1 WO1996028085 A1 WO 1996028085A1 US 9603536 W US9603536 W US 9603536W WO 9628085 A1 WO9628085 A1 WO 9628085A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- patient
- light
- detector
- emitter
- tissue
- Prior art date
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
-
- 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
- A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the 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
- A61B5/1455—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
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002215163A CA2215163C (en) | 1995-03-14 | 1996-03-14 | Isolated layer pulse oximetry |
JP52783396A JP3751638B2 (en) | 1995-03-14 | 1996-03-14 | Separation layer pulse oximetry |
DE69632628T DE69632628T2 (en) | 1995-03-14 | 1996-03-14 | PULSE OXIMETRY OF AN INSULATED LAYER |
EP96909705A EP0812148B1 (en) | 1995-03-14 | 1996-03-14 | Isolated layer pulse oximetry |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US403,642 | 1989-09-06 | ||
US08/403,642 US5524617A (en) | 1995-03-14 | 1995-03-14 | Isolated layer pulse oximetry |
CA002215163A CA2215163C (en) | 1995-03-14 | 1996-03-14 | Isolated layer pulse oximetry |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996028085A1 true WO1996028085A1 (en) | 1996-09-19 |
Family
ID=39672030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1996/003536 WO1996028085A1 (en) | 1995-03-14 | 1996-03-14 | Isolated layer pulse oximetry |
Country Status (6)
Country | Link |
---|---|
US (2) | US5524617A (en) |
EP (1) | EP0812148B1 (en) |
JP (1) | JP3751638B2 (en) |
CA (2) | CA2591551A1 (en) |
DE (1) | DE69632628T2 (en) |
WO (1) | WO1996028085A1 (en) |
Families Citing this family (163)
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Also Published As
Publication number | Publication date |
---|---|
EP0812148B1 (en) | 2004-06-02 |
US5524617A (en) | 1996-06-11 |
US5746206A (en) | 1998-05-05 |
DE69632628D1 (en) | 2004-07-08 |
CA2215163A1 (en) | 1996-09-19 |
CA2215163C (en) | 2007-09-18 |
EP0812148A1 (en) | 1997-12-17 |
JPH11501848A (en) | 1999-02-16 |
CA2591551A1 (en) | 1996-09-19 |
JP3751638B2 (en) | 2006-03-01 |
DE69632628T2 (en) | 2005-06-09 |
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