JPH0567894B2 - - Google Patents

Info

Publication number
JPH0567894B2
JPH0567894B2 JP1181825A JP18182589A JPH0567894B2 JP H0567894 B2 JPH0567894 B2 JP H0567894B2 JP 1181825 A JP1181825 A JP 1181825A JP 18182589 A JP18182589 A JP 18182589A JP H0567894 B2 JPH0567894 B2 JP H0567894B2
Authority
JP
Japan
Prior art keywords
pressure
transducer
dome
temperature coefficient
impedance
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 - Lifetime
Application number
JP1181825A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0249133A (ja
Inventor
Bii Meritsuku Edoin
Pii Sutefunzu Toomasu
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.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPH0249133A publication Critical patent/JPH0249133A/ja
Publication of JPH0567894B2 publication Critical patent/JPH0567894B2/ja
Granted 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • 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
    • G01L9/02—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/025—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 by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning with temperature compensating means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
JP1181825A 1984-11-06 1989-07-14 圧力測定装置 Granted JPH0249133A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/668,608 US4581940A (en) 1984-11-06 1984-11-06 Dome and transducer with compensating temperature coefficient
US668608 1991-03-13

Publications (2)

Publication Number Publication Date
JPH0249133A JPH0249133A (ja) 1990-02-19
JPH0567894B2 true JPH0567894B2 (OSRAM) 1993-09-27

Family

ID=24683039

Family Applications (2)

Application Number Title Priority Date Filing Date
JP1985170798U Pending JPS6184535U (OSRAM) 1984-11-06 1985-11-06
JP1181825A Granted JPH0249133A (ja) 1984-11-06 1989-07-14 圧力測定装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP1985170798U Pending JPS6184535U (OSRAM) 1984-11-06 1985-11-06

Country Status (3)

Country Link
US (1) US4581940A (OSRAM)
EP (1) EP0180954A3 (OSRAM)
JP (2) JPS6184535U (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5269311A (en) * 1989-08-29 1993-12-14 Abbott Laboratories Method for compensating errors in a pressure transducer
US5135002A (en) * 1989-08-29 1992-08-04 Abbott Laboratories Pressure transducer compensation system
US5753820A (en) * 1996-10-25 1998-05-19 Arthur D. Little, Inc. Fluid pressure sensing unit incorporating diaphragm deflection sensing array
CA2939353C (en) 2014-02-25 2018-01-02 Icu Medical, Inc. Patient monitoring system with gatekeeper signal
AU2016341195B2 (en) 2015-10-19 2019-03-14 Icu Medical, Inc. Hemodynamic monitoring system with detachable display unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1563140A (OSRAM) * 1968-02-26 1969-04-11
JPS5454661A (en) * 1977-10-11 1979-05-01 Shimadzu Corp Method and apparatus for calibration of detection circuits
US4185641A (en) * 1978-08-23 1980-01-29 Hewlett-Packard Company Pressure dome
US4300395A (en) * 1978-11-08 1981-11-17 Tokyo Shibaura Denki Kabushiki Kaisha Semiconductor pressure detection device
JPS578425A (en) * 1980-06-18 1982-01-16 Mitsubishi Electric Corp Pressure detector
US4333349A (en) * 1980-10-06 1982-06-08 Kulite Semiconductor Products, Inc. Binary balancing apparatus for semiconductor transducer structures
JPS57115873A (en) * 1981-01-09 1982-07-19 Hitachi Ltd Semiconductor diaphragm type pressure sensor

Also Published As

Publication number Publication date
EP0180954A3 (en) 1988-03-30
US4581940A (en) 1986-04-15
JPH0249133A (ja) 1990-02-19
JPS6184535U (OSRAM) 1986-06-04
EP0180954A2 (en) 1986-05-14

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