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GB2173906B - Ph sensor - Google Patents

Ph sensor

Info

Publication number
GB2173906B
GB2173906B GB8608637A GB8608637A GB2173906B GB 2173906 B GB2173906 B GB 2173906B GB 8608637 A GB8608637 A GB 8608637A GB 8608637 A GB8608637 A GB 8608637A GB 2173906 B GB2173906 B GB 2173906B
Authority
GB
United Kingdom
Prior art keywords
sensor
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
GB8608637A
Other versions
GB8608637D0 (en
GB2173906A (en
Inventor
Leonard Evariste Andr Berlouis
Sheelagh Anne Campbell
David Jorge Schiffrin
Jonathan Haden West
Timothy Wheeler
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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
Application filed by NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Publication of GB8608637D0 publication Critical patent/GB8608637D0/en
Publication of GB2173906A publication Critical patent/GB2173906A/en
Application granted granted Critical
Publication of GB2173906B publication Critical patent/GB2173906B/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
    • A61B5/14539—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 pH
    • 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6848—Needles
    • 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
    • G01N27/403—Cells and electrode assemblies
    • G01N27/4035—Combination of a single ion-sensing electrode and a single reference electrode

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (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)
GB8608637A 1985-04-15 1986-04-09 Ph sensor Expired GB2173906B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8509606A GB8509606D0 (en) 1985-04-15 1985-04-15 Ion sensor

Publications (3)

Publication Number Publication Date
GB8608637D0 GB8608637D0 (en) 1986-05-14
GB2173906A GB2173906A (en) 1986-10-22
GB2173906B true GB2173906B (en) 1988-08-03

Family

ID=10577660

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8509606A Pending GB8509606D0 (en) 1985-04-15 1985-04-15 Ion sensor
GB8608637A Expired GB2173906B (en) 1985-04-15 1986-04-09 Ph sensor

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8509606A Pending GB8509606D0 (en) 1985-04-15 1985-04-15 Ion sensor

Country Status (1)

Country Link
GB (2) GB8509606D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857167A (en) * 1987-06-05 1989-08-15 Monsanto Company Oxygen-stable substituted ferrocene reference electrode
US5603820A (en) * 1992-04-21 1997-02-18 The United States Of America As Represented By The Department Of Health And Human Services Nitric oxide sensor
AU4685893A (en) * 1992-07-22 1994-02-14 United States Of America, Represented By The Secretary, Department Of Health And Human Services, The Nitric oxide-specific electrode
RU2165615C1 (en) * 1999-11-30 2001-04-20 Тумбин Евгений Павлович METAL-OXIDE pH-ELECTRODE
NL1018249C2 (en) * 2001-06-08 2002-12-10 Tno Device for determining fetal reserves during delivery.
GB201905661D0 (en) * 2019-04-23 2019-06-05 Univ Oxford Innovation Ltd Method for determining human blood pH

Also Published As

Publication number Publication date
GB8608637D0 (en) 1986-05-14
GB2173906A (en) 1986-10-22
GB8509606D0 (en) 1985-05-22

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930409