CA1094341A - Sterilizable, disposable optical scattering reference medium - Google Patents
Sterilizable, disposable optical scattering reference mediumInfo
- Publication number
- CA1094341A CA1094341A CA284,617A CA284617A CA1094341A CA 1094341 A CA1094341 A CA 1094341A CA 284617 A CA284617 A CA 284617A CA 1094341 A CA1094341 A CA 1094341A
- Authority
- CA
- Canada
- Prior art keywords
- light guide
- light
- measuring device
- catheter
- optical
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 210000004369 blood Anatomy 0.000 claims description 14
- 239000008280 blood Substances 0.000 claims description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 11
- 239000001301 oxygen Substances 0.000 claims description 11
- 229910052760 oxygen Inorganic materials 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 238000000149 argon plasma sintering Methods 0.000 claims description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052788 barium Inorganic materials 0.000 claims description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims 1
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 238000005375 photometry Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000011088 calibration curve Methods 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 230000036512 infertility Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000006194 liquid suspension Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 238000002496 oximetry Methods 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1495—Calibrating or testing of in-vivo probes
-
- 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4785—Standardising light scatter apparatus; Standards therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
- A61B2560/0228—Operational features of calibration, e.g. protocols for calibrating sensors using calibration standards
- A61B2560/0233—Optical standards
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Optics & Photonics (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Public Health (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA351,025A CA1099129A (en) | 1976-10-18 | 1980-04-30 | Sterilizable, disposable optical scattering reference medium |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73328076A | 1976-10-18 | 1976-10-18 | |
| US733,280 | 1976-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1094341A true CA1094341A (en) | 1981-01-27 |
Family
ID=24946953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA284,617A Expired CA1094341A (en) | 1976-10-18 | 1977-08-12 | Sterilizable, disposable optical scattering reference medium |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5350878A (enrdf_load_stackoverflow) |
| CA (1) | CA1094341A (enrdf_load_stackoverflow) |
| CH (1) | CH626171A5 (enrdf_load_stackoverflow) |
| DE (1) | DE2741914C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2368032A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1595207A (enrdf_load_stackoverflow) |
| NL (1) | NL7709499A (enrdf_load_stackoverflow) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3526458A1 (de) * | 1985-07-24 | 1987-01-29 | Grundig Emv | Einrichtung zur optischen truebungsmessung von gasen |
| US4650327A (en) * | 1985-10-28 | 1987-03-17 | Oximetrix, Inc. | Optical catheter calibrating assembly |
| DE3736027A1 (de) * | 1987-10-24 | 1989-05-03 | Gerhard Dipl Phys Artmann | Verfahren zur ermittlung der zu einem bestimmten zeitpunkt vorliegenden form von zellen und einrichtung zur durchfuehrung des verfahrens |
| DE3903031A1 (de) * | 1989-02-02 | 1990-08-16 | Berthold Koch | Referenzgefaess zum beurteilen der truebung von fluessigkeiten |
| US6662033B2 (en) | 1994-04-01 | 2003-12-09 | Nellcor Incorporated | Pulse oximeter and sensor optimized for low saturation |
| US5421329A (en) | 1994-04-01 | 1995-06-06 | Nellcor, Inc. | Pulse oximeter sensor optimized for low saturation |
| ATE343346T1 (de) * | 1999-08-31 | 2006-11-15 | Nir Diagnostics Inc | Vorrichtung zur überprüfung der genauigkeit eines spektralanalysators |
| DE102012104721B4 (de) * | 2012-05-31 | 2021-06-10 | Endress+Hauser Conducta Gmbh+Co. Kg | Festkörper, Trübungssensor und Verfahren zum Justieren, Kalibrieren oder zur Funktionsprüfung eines Trübungssensors |
| CN118603939A (zh) * | 2024-05-21 | 2024-09-06 | 福州普贝斯智能科技有限公司 | 一种浊度校准模块 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029682A (en) * | 1959-07-17 | 1962-04-17 | Research Corp | Apparatus for determining percentage oxygen-saturation of blood |
| US3296922A (en) * | 1963-04-22 | 1967-01-10 | American Optical Corp | Apparatus for determining oxygen saturation of blood |
| US3706499A (en) * | 1970-03-02 | 1972-12-19 | Becton Dickinson Co | Blood test system |
| GB1325039A (en) * | 1970-10-07 | 1973-08-01 | Shaw R F | Oximeter and method for in vivo determination of oxygen saturatiion in blood |
| US3947122A (en) * | 1974-12-16 | 1976-03-30 | American Optical Corporation | Cuvette and stirrer for oximeter |
-
1977
- 1977-08-12 CA CA284,617A patent/CA1094341A/en not_active Expired
- 1977-08-29 NL NL7709499A patent/NL7709499A/xx active Search and Examination
- 1977-09-17 DE DE19772741914 patent/DE2741914C3/de not_active Expired
- 1977-09-30 JP JP11695277A patent/JPS5350878A/ja active Granted
- 1977-10-12 CH CH1247277A patent/CH626171A5/de not_active IP Right Cessation
- 1977-10-14 FR FR7730961A patent/FR2368032A1/fr active Granted
- 1977-10-18 GB GB3398977A patent/GB1595207A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7709499A (nl) | 1978-04-20 |
| FR2368032A1 (fr) | 1978-05-12 |
| DE2741914C3 (de) | 1982-11-11 |
| JPS6120806B2 (enrdf_load_stackoverflow) | 1986-05-23 |
| FR2368032B1 (enrdf_load_stackoverflow) | 1982-01-22 |
| DE2741914A1 (de) | 1978-04-20 |
| DE2741914B2 (de) | 1981-06-04 |
| JPS5350878A (en) | 1978-05-09 |
| GB1595207A (en) | 1981-08-12 |
| CH626171A5 (en) | 1981-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |