GB1509422A - Device for detecting physiological pressures - Google Patents

Device for detecting physiological pressures

Info

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
Application number
GB1668975A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Corp
Original Assignee
Siemens Corp
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 DE19742431194 external-priority patent/DE2431194C3/de
Application filed by Siemens Corp filed Critical Siemens Corp
Publication of GB1509422A publication Critical patent/GB1509422A/en
Expired legal-status Critical Current

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 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

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
GB1668975A 1974-06-28 1975-04-22 Device for detecting physiological pressures Expired GB1509422A (en)

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 (enrdf_load_stackoverflow)
FR (1) FR2276024A1 (enrdf_load_stackoverflow)
GB (1) GB1509422A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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
JPS61139202U (enrdf_load_stackoverflow) * 1985-02-18 1986-08-29
JPH0316642Y2 (enrdf_load_stackoverflow) * 1985-02-18 1991-04-10
JPH0316643Y2 (enrdf_load_stackoverflow) * 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

Also Published As

Publication number Publication date
FR2276024B1 (enrdf_load_stackoverflow) 1978-02-03
DE2431194A1 (de) 1976-01-08
FR2276024A1 (fr) 1976-01-23
DE2431194B2 (de) 1976-04-29
JPS5125390A (enrdf_load_stackoverflow) 1976-03-01

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee