GB8912878D0 - Fibre optic pressure or temperature transducers - Google Patents

Fibre optic pressure or temperature transducers

Info

Publication number
GB8912878D0
GB8912878D0 GB898912878A GB8912878A GB8912878D0 GB 8912878 D0 GB8912878 D0 GB 8912878D0 GB 898912878 A GB898912878 A GB 898912878A GB 8912878 A GB8912878 A GB 8912878A GB 8912878 D0 GB8912878 D0 GB 8912878D0
Authority
GB
United Kingdom
Prior art keywords
fibre optic
temperature transducers
optic pressure
pressure
transducers
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.)
Withdrawn
Application number
GB898912878A
Other versions
GB2234344A (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.)
Medical & Diagnostic Systems L
Original Assignee
Medical & Diagnostic Systems L
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 Medical & Diagnostic Systems L filed Critical Medical & Diagnostic Systems L
Priority to GB8912878A priority Critical patent/GB2234344A/en
Publication of GB8912878D0 publication Critical patent/GB8912878D0/en
Publication of GB2234344A publication Critical patent/GB2234344A/en
Withdrawn legal-status Critical Current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
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • A61B5/02154—Measuring pressure in heart or blood vessels by means inserted into the body by optical transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K5/00—Measuring temperature based on the expansion or contraction of a material
    • G01K5/32—Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable
    • G01K5/46—Measuring temperature based on the expansion or contraction of a material the material being a fluid contained in a hollow body having parts which are deformable or displaceable with electric conversion means for final indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0007—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using photoelectric means

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Fluid Pressure (AREA)
GB8912878A 1989-06-05 1989-06-05 Fibre optic pressure or temperature transducers Withdrawn GB2234344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8912878A GB2234344A (en) 1989-06-05 1989-06-05 Fibre optic pressure or temperature transducers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8912878A GB2234344A (en) 1989-06-05 1989-06-05 Fibre optic pressure or temperature transducers

Publications (2)

Publication Number Publication Date
GB8912878D0 true GB8912878D0 (en) 1989-07-26
GB2234344A GB2234344A (en) 1991-01-30

Family

ID=10657894

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8912878A Withdrawn GB2234344A (en) 1989-06-05 1989-06-05 Fibre optic pressure or temperature transducers

Country Status (1)

Country Link
GB (1) GB2234344A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1003189A5 (en) * 1990-07-27 1992-01-07 B A Cosurvey Optics S P R L B PRESSURE SENSOR.
DE19751875C2 (en) * 1997-11-22 2001-07-05 Karlsruhe Forschzent Cardiac catheter with measurement of the contact pressure
NO306427B1 (en) * 1998-03-06 1999-11-01 Leiv Eiriksson Nyfotek As Optical pressure sensor
CN110180763B (en) * 2019-05-29 2020-03-03 合肥中纳医学仪器有限公司 Filling method film forming method for probe

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3249105A (en) * 1963-04-19 1966-05-03 American Optical Corp Devices for measuring blood pressure
US3273447A (en) * 1963-08-26 1966-09-20 Franklin Institute Detection and measurement device having a small flexible fiber transmission line
US4201222A (en) * 1977-08-31 1980-05-06 Thomas Haase Method and apparatus for in vivo measurement of blood gas partial pressures, blood pressure and blood pulse
EP0074055A3 (en) * 1981-09-03 1984-09-12 Honeywell Inc. Fiber optic pressure sensor
US4487206A (en) * 1982-10-13 1984-12-11 Honeywell Inc. Fiber optic pressure sensor with temperature compensation and reference
JPS6212827A (en) * 1985-07-10 1987-01-21 Hitachi Ltd Detector for combustion pressure of engine
SE453561B (en) * 1986-06-25 1988-02-15 Radisensor Ab MINIATURIZED SENSOR FOR PHYSIOLOGICAL PRESSURE SEATS
GB2193310A (en) * 1986-08-01 1988-02-03 Boc Group Plc Pressure sensor
US4787396A (en) * 1987-06-18 1988-11-29 Fiberoptic Sensor Technologies, Inc. Fiberoptic pressure transducer

Also Published As

Publication number Publication date
GB2234344A (en) 1991-01-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)