GB1509422A - Device for detecting physiological pressures - Google Patents
Device for detecting physiological pressuresInfo
- Publication number
- GB1509422A GB1509422A GB1668975A GB1668975A GB1509422A GB 1509422 A GB1509422 A GB 1509422A GB 1668975 A GB1668975 A GB 1668975A GB 1668975 A GB1668975 A GB 1668975A GB 1509422 A GB1509422 A GB 1509422A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- concentration
- flushing
- fluid
- constituent
- 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
- 238000011010 flushing procedure Methods 0.000 abstract 6
- 239000012530 fluid Substances 0.000 abstract 4
- 239000000470 constituent Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 239000007789 gas Substances 0.000 abstract 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 2
- 239000010931 gold Substances 0.000 abstract 2
- 229910052737 gold Inorganic materials 0.000 abstract 2
- 229910021607 Silver chloride Inorganic materials 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 210000001124 body fluid Anatomy 0.000 abstract 1
- 239000010839 body fluid Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000002848 electrochemical method Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 229910000510 noble metal Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 abstract 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
- A61B5/14542—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 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 or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
- A61B5/1468—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 chemical or electrochemical methods, e.g. by polarographic means
- A61B5/1473—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 chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/38—Cleaning of electrodes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
-
- 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
- A61B2562/24—Hygienic packaging for medical sensors; Maintaining apparatus for sensor hygiene
- A61B2562/245—Means for cleaning the sensor in-situ or during use, e.g. hygienic wipes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Chemical & Material Sciences (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Optics & Photonics (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Electrochemistry (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742431194 DE2431194C3 (de) | 1974-06-28 | Vorrichtung zum Erfassen des Partialdruckes von Gasen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1509422A true GB1509422A (en) | 1978-05-04 |
Family
ID=5919249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1668975A Expired GB1509422A (en) | 1974-06-28 | 1975-04-22 | Device for detecting physiological pressures |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5125390A (enExample) |
| FR (1) | FR2276024A1 (enExample) |
| GB (1) | GB1509422A (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4176369A (en) * | 1977-12-05 | 1979-11-27 | Rockwell International Corporation | Image sensor having improved moving target discernment capabilities |
| JPS5546950A (en) * | 1978-09-29 | 1980-04-02 | Kureha Chem Ind Co Ltd | Simultaneous extrusion of laminated sheet |
| AU5470680A (en) * | 1979-01-31 | 1980-08-07 | Mcneilab, Inc. | Electrochemical sensor catheter |
| JPH0316643Y2 (enExample) * | 1985-02-18 | 1991-04-10 | ||
| JPS61139202U (enExample) * | 1985-02-18 | 1986-08-29 | ||
| JPH0316642Y2 (enExample) * | 1985-02-18 | 1991-04-10 | ||
| US8521462B2 (en) * | 2009-12-23 | 2013-08-27 | Biosense Webster (Israel), Ltd. | Calibration system for a pressure-sensitive catheter |
-
1975
- 1975-04-22 GB GB1668975A patent/GB1509422A/en not_active Expired
- 1975-06-24 FR FR7519697A patent/FR2276024A1/fr active Granted
- 1975-06-26 JP JP50079715A patent/JPS5125390A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5125390A (enExample) | 1976-03-01 |
| FR2276024A1 (fr) | 1976-01-23 |
| FR2276024B1 (enExample) | 1978-02-03 |
| DE2431194A1 (de) | 1976-01-08 |
| DE2431194B2 (de) | 1976-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |