WO2000064338A3 - Isolating ring sensor design - Google Patents

Isolating ring sensor design Download PDF

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Publication number
WO2000064338A3
WO2000064338A3 PCT/US2000/010429 US0010429W WO0064338A3 WO 2000064338 A3 WO2000064338 A3 WO 2000064338A3 US 0010429 W US0010429 W US 0010429W WO 0064338 A3 WO0064338 A3 WO 0064338A3
Authority
WO
WIPO (PCT)
Prior art keywords
inner ring
sensor design
isolating ring
finger
patient
Prior art date
Application number
PCT/US2000/010429
Other languages
French (fr)
Other versions
WO2000064338A2 (en
Inventor
Sokwoo Rhee
Boo-Ho Yang
Haruhiko H Asada
Original Assignee
Massachusetts Inst Technology
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 Massachusetts Inst Technology filed Critical Massachusetts Inst Technology
Priority to JP2000613333A priority Critical patent/JP2003528645A/en
Publication of WO2000064338A2 publication Critical patent/WO2000064338A2/en
Publication of WO2000064338A3 publication Critical patent/WO2000064338A3/en

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
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • 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
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light
    • 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
    • A61B5/14551—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 for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/903—Radio telemetry

Abstract

A monitoring system for monitoring the health status of a patient by performing measurements such as skin temperature, blood flow, blood constituent concentration, and pulse rate at the finger of the patient. The monitoring system has an inner ring (12) proximate to the finger (14) as well as an outer ring (18), mechanically decoupled from the inner ring (12), that shields the inner ring from external loads. Measurements are performed in accordance with a protocol that may be preprogrammed, or may be modified on the basis of real-time data or by command from a remotely located medical professional.
PCT/US2000/010429 1999-04-23 2000-04-18 Isolating ring sensor design WO2000064338A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000613333A JP2003528645A (en) 1999-04-23 2000-04-18 Isolation ring sensor design

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13077499P 1999-04-23 1999-04-23
US60/130,774 1999-04-23

Publications (2)

Publication Number Publication Date
WO2000064338A2 WO2000064338A2 (en) 2000-11-02
WO2000064338A3 true WO2000064338A3 (en) 2001-05-31

Family

ID=22446269

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/010429 WO2000064338A2 (en) 1999-04-23 2000-04-18 Isolating ring sensor design

Country Status (3)

Country Link
US (1) US6402690B1 (en)
JP (1) JP2003528645A (en)
WO (1) WO2000064338A2 (en)

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