CA2211844A1 - External patient reference sensor - Google Patents

External patient reference sensor

Info

Publication number
CA2211844A1
CA2211844A1 CA2211844A CA2211844A CA2211844A1 CA 2211844 A1 CA2211844 A1 CA 2211844A1 CA 2211844 A CA2211844 A CA 2211844A CA 2211844 A CA2211844 A CA 2211844A CA 2211844 A1 CA2211844 A1 CA 2211844A1
Authority
CA
Canada
Prior art keywords
parameter
reference sensor
patient reference
external patient
external reference
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.)
Granted
Application number
CA2211844A
Other languages
French (fr)
Other versions
CA2211844C (en
Inventor
Louis E. Halperin
James K. Carney
Michael N. Turi
Robert C. Beck
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.)
Medtronic Inc
Original Assignee
Medtronic, Inc.
Louis E. Halperin
James K. Carney
Michael N. Turi
Robert C. Beck
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 Medtronic, Inc., Louis E. Halperin, James K. Carney, Michael N. Turi, Robert C. Beck filed Critical Medtronic, Inc.
Publication of CA2211844A1 publication Critical patent/CA2211844A1/en
Application granted granted Critical
Publication of CA2211844C publication Critical patent/CA2211844C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • 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
    • A61B5/02156—Calibration means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/03—Detecting, measuring or recording fluid pressure within the body other than blood pressure, e.g. cerebral pressure; Measuring pressure in body tissues or organs
    • 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
    • G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0242—Operational features adapted to measure environmental factors, e.g. temperature, pollution
    • A61B2560/0247—Operational features adapted to measure environmental factors, e.g. temperature, pollution for compensation or correction of the measured physiological value
    • A61B2560/0257—Operational features adapted to measure environmental factors, e.g. temperature, pollution for compensation or correction of the measured physiological value using atmospheric pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
    • A61B5/0031—Implanted circuitry
    • 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Hematology (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Physiology (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

A system (10) for long term monitoring of an internal patient medical parameter having an external reference and means to correct the internal measurements of the parameter via external measurements taken by the external reference device (EDx). A coordinating device (P) makes the correction and makes available a histogram-based record of the parameter over time. This information can be used to reprogram an implantable device (Dx) or for other therapeutic or diagnostic purposes. Pressure sensor embodiment is detailed.
CA002211844A 1995-02-27 1996-01-17 External patient reference sensor Expired - Fee Related CA2211844C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US40268195A 1995-02-27 1995-02-27
US08/402,681 1995-02-27
PCT/US1996/000670 WO1996026673A1 (en) 1995-02-27 1996-01-17 External patient reference sensor

Publications (2)

Publication Number Publication Date
CA2211844A1 true CA2211844A1 (en) 1996-09-06
CA2211844C CA2211844C (en) 2001-01-30

Family

ID=23592922

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002211844A Expired - Fee Related CA2211844C (en) 1995-02-27 1996-01-17 External patient reference sensor

Country Status (7)

Country Link
US (1) US5810735A (en)
EP (1) EP0814699B1 (en)
JP (1) JP3121353B2 (en)
AU (1) AU4760196A (en)
CA (1) CA2211844C (en)
DE (1) DE69615007T2 (en)
WO (1) WO1996026673A1 (en)

Families Citing this family (184)

* Cited by examiner, † Cited by third party
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WO1996026673A1 (en) 1996-09-06
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CA2211844C (en) 2001-01-30
DE69615007D1 (en) 2001-10-11

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