SE0003852D0 - Pressure sensor - Google Patents

Pressure sensor

Info

Publication number
SE0003852D0
SE0003852D0 SE0003852A SE0003852A SE0003852D0 SE 0003852 D0 SE0003852 D0 SE 0003852D0 SE 0003852 A SE0003852 A SE 0003852A SE 0003852 A SE0003852 A SE 0003852A SE 0003852 D0 SE0003852 D0 SE 0003852D0
Authority
SE
Sweden
Prior art keywords
sensor
growth
piezoelectric element
pressure sensor
signal
Prior art date
Application number
SE0003852A
Other languages
English (en)
Inventor
Charlotte Kjellman
Johan Lidman
Karin Ljungstroem
Kenth Nilsson
Original Assignee
St Jude Medical
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 St Jude Medical filed Critical St Jude Medical
Priority to SE0003852A priority Critical patent/SE0003852D0/sv
Publication of SE0003852D0 publication Critical patent/SE0003852D0/sv
Priority to EP01979172A priority patent/EP1331877A1/en
Priority to US10/399,813 priority patent/US6886411B2/en
Priority to PCT/SE2001/002345 priority patent/WO2002034130A1/en

Links

Classifications

    • 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
    • G01L9/08—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 piezoelectric devices, i.e. electric circuits therefor
    • 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
    • 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
    • G01L9/06—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 of piezo-resistive devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/06—Measuring instruments not otherwise provided for
    • A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
    • 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
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0247—Pressure sensors
    • 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)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Electrotherapy Devices (AREA)
SE0003852A 2000-10-24 2000-10-24 Pressure sensor SE0003852D0 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE0003852A SE0003852D0 (sv) 2000-10-24 2000-10-24 Pressure sensor
EP01979172A EP1331877A1 (en) 2000-10-24 2001-10-24 A piezoelectric sensor in a living organism for fluid pressure measurement.
US10/399,813 US6886411B2 (en) 2000-10-24 2001-10-24 Piezoelectric sensor in a living organism for fluid pressure measurement
PCT/SE2001/002345 WO2002034130A1 (en) 2000-10-24 2001-10-24 A piezoelectric sensor in a living organism for fluid pressure measurement.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0003852A SE0003852D0 (sv) 2000-10-24 2000-10-24 Pressure sensor

Publications (1)

Publication Number Publication Date
SE0003852D0 true SE0003852D0 (sv) 2000-10-24

Family

ID=20281539

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0003852A SE0003852D0 (sv) 2000-10-24 2000-10-24 Pressure sensor

Country Status (4)

Country Link
US (1) US6886411B2 (sv)
EP (1) EP1331877A1 (sv)
SE (1) SE0003852D0 (sv)
WO (1) WO2002034130A1 (sv)

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Also Published As

Publication number Publication date
US6886411B2 (en) 2005-05-03
US20040060362A1 (en) 2004-04-01
EP1331877A1 (en) 2003-08-06
WO2002034130A1 (en) 2002-05-02

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