ZA73570B - Oximeter and method - Google Patents
Oximeter and methodInfo
- Publication number
- ZA73570B ZA73570B ZA730570A ZA73570A ZA73570B ZA 73570 B ZA73570 B ZA 73570B ZA 730570 A ZA730570 A ZA 730570A ZA 73570 A ZA73570 A ZA 73570A ZA 73570 B ZA73570 B ZA 73570B
- Authority
- ZA
- South Africa
- Prior art keywords
- oximeter
- 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
- A61B5/1459—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 invasive, e.g. introduced into the body by a catheter
-
- 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
- G01N21/3151—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 using two sources of radiation of different wavelengths
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/483—Physical analysis of biological material
- G01N33/487—Physical analysis of biological material of liquid biological material
- G01N33/49—Blood
- G01N33/4925—Blood measuring blood gas content, e.g. O2, CO2, HCO3
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biomedical Technology (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Biophysics (AREA)
- Hematology (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- Medical Informatics (AREA)
- Urology & Nephrology (AREA)
- Toxicology (AREA)
- Ecology (AREA)
- Food Science & Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medicinal Chemistry (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22257972A | 1972-02-01 | 1972-02-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA73570B true ZA73570B (en) | 1974-02-27 |
Family
ID=22832796
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA730570A ZA73570B (en) | 1972-02-01 | 1973-01-25 | Oximeter and method |
Country Status (4)
Country | Link |
---|---|
JP (2) | JPS4885195A (en) |
IT (1) | IT977716B (en) |
SE (2) | SE390764B (en) |
ZA (1) | ZA73570B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58193438A (en) * | 1982-05-07 | 1983-11-11 | Toa Denpa Kogyo Kk | Dual-wave length photometer type absorptiometer |
-
1973
- 1973-01-25 ZA ZA730570A patent/ZA73570B/en unknown
- 1973-01-31 SE SE7301352A patent/SE390764B/en unknown
- 1973-01-31 IT IT67196/73A patent/IT977716B/en active
- 1973-02-01 JP JP48013300A patent/JPS4885195A/ja active Pending
-
1975
- 1975-11-26 SE SE7513286A patent/SE7513286L/en unknown
-
1978
- 1978-08-08 JP JP1978108816U patent/JPS6235451Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7513286L (en) | 1975-11-26 |
JPS4885195A (en) | 1973-11-12 |
JPS5492796U (en) | 1979-06-30 |
SE7301352L (en) | 1973-08-02 |
IT977716B (en) | 1974-09-20 |
JPS6235451Y2 (en) | 1987-09-09 |
SE390764B (en) | 1977-01-17 |
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