SE9600334D0 - Combined flow, pressure and temperature sensor - Google Patents

Combined flow, pressure and temperature sensor

Info

Publication number
SE9600334D0
SE9600334D0 SE9600334A SE9600334A SE9600334D0 SE 9600334 D0 SE9600334 D0 SE 9600334D0 SE 9600334 A SE9600334 A SE 9600334A SE 9600334 A SE9600334 A SE 9600334A SE 9600334 D0 SE9600334 D0 SE 9600334D0
Authority
SE
Sweden
Prior art keywords
pressure
temperature
temperature sensor
combined flow
diaphragm
Prior art date
Application number
SE9600334A
Other languages
English (en)
Inventor
Leif Smith
Original Assignee
Radi Medical Systems
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 Radi Medical Systems filed Critical Radi Medical Systems
Priority to SE9600334A priority Critical patent/SE9600334D0/sv
Publication of SE9600334D0 publication Critical patent/SE9600334D0/sv
Priority to JP52756797A priority patent/JP3830528B2/ja
Priority to US09/117,416 priority patent/US6343514B1/en
Priority to PCT/SE1997/000150 priority patent/WO1997027802A1/en
Priority to US10/224,346 priority patent/USRE39863E1/en
Priority to DE69725703T priority patent/DE69725703T2/de
Priority to EP97902801A priority patent/EP0877574B1/en
Priority to US10/022,361 priority patent/US6615667B2/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0092—Pressure sensor associated with other sensors, e.g. for measuring acceleration or temperature
    • 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
    • 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
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/04—Scales
    • G01K1/045—Scales temperature indication combined with the indication of another variable
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M2025/0001—Catheters; Hollow probes for pressure measurement
    • A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Cardiology (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid Mechanics (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring Fluid Pressure (AREA)
SE9600334A 1996-01-30 1996-01-30 Combined flow, pressure and temperature sensor SE9600334D0 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9600334A SE9600334D0 (sv) 1996-01-30 1996-01-30 Combined flow, pressure and temperature sensor
JP52756797A JP3830528B2 (ja) 1996-01-30 1997-01-30 流量、圧力及び温度の複合センサ
US09/117,416 US6343514B1 (en) 1996-01-30 1997-01-30 Combined flow, pressure and temperature sensor
PCT/SE1997/000150 WO1997027802A1 (en) 1996-01-30 1997-01-30 Combined flow, pressure and temperature sensor
US10/224,346 USRE39863E1 (en) 1996-01-30 1997-01-30 Combined flow, pressure and temperature sensor
DE69725703T DE69725703T2 (de) 1996-01-30 1997-01-30 Kombinierten strömungs-druck und -temperature-fühler
EP97902801A EP0877574B1 (en) 1996-01-30 1997-01-30 Combined flow, pressure and temperature sensor
US10/022,361 US6615667B2 (en) 1996-01-30 2001-12-20 Combined flow, pressure and temperature sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9600334A SE9600334D0 (sv) 1996-01-30 1996-01-30 Combined flow, pressure and temperature sensor

Publications (1)

Publication Number Publication Date
SE9600334D0 true SE9600334D0 (sv) 1996-01-30

Family

ID=20401201

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9600334A SE9600334D0 (sv) 1996-01-30 1996-01-30 Combined flow, pressure and temperature sensor

Country Status (6)

Country Link
US (3) US6343514B1 (sv)
EP (1) EP0877574B1 (sv)
JP (1) JP3830528B2 (sv)
DE (1) DE69725703T2 (sv)
SE (1) SE9600334D0 (sv)
WO (1) WO1997027802A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167763B1 (en) 1995-06-22 2001-01-02 Radi Medical Systems Ab Pressure sensor and guide wire assembly for biological pressure measurements

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* Cited by examiner, † Cited by third party
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EP0877574A1 (en) 1998-11-18
WO1997027802A1 (en) 1997-08-07
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USRE39863E1 (en) 2007-10-02
US6343514B1 (en) 2002-02-05
DE69725703D1 (de) 2003-11-27
US20020059827A1 (en) 2002-05-23
JP2000504249A (ja) 2000-04-11
JP3830528B2 (ja) 2006-10-04
US6615667B2 (en) 2003-09-09
DE69725703T2 (de) 2004-06-17

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