WO2010124034A3 - Processing physiological sensor data using a physiological model combined with a probabilistic processor - Google Patents

Processing physiological sensor data using a physiological model combined with a probabilistic processor Download PDF

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Publication number
WO2010124034A3
WO2010124034A3 PCT/US2010/031960 US2010031960W WO2010124034A3 WO 2010124034 A3 WO2010124034 A3 WO 2010124034A3 US 2010031960 W US2010031960 W US 2010031960W WO 2010124034 A3 WO2010124034 A3 WO 2010124034A3
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WO
WIPO (PCT)
Prior art keywords
physiological
sensor data
model
model combined
processing
Prior art date
Application number
PCT/US2010/031960
Other languages
French (fr)
Other versions
WO2010124034A2 (en
Inventor
Rodrigo E. Teixeira
Original Assignee
Streamline Automation, Llc
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 Streamline Automation, Llc filed Critical Streamline Automation, Llc
Priority to EP10767734.6A priority Critical patent/EP2512325B1/en
Publication of WO2010124034A2 publication Critical patent/WO2010124034A2/en
Publication of WO2010124034A3 publication Critical patent/WO2010124034A3/en

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Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
    • A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00—Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/08—Feature extraction

Abstract

A pulse oximeter system comprises a data processor configured to perform a method that combines a sigma point Kalman filter (SPKF) or sequential Monte Carlo (SMC) algorithm with Bayesian statistics and a mathematical model comprising a cardiovascular model and a plethysmography model to remove contaminating noise and artifacts from the pulse oximeter sensor output and measure blood oxygen saturation, heart rate, left-ventricular stroke volume, aortic pressure and systemic pressures.
PCT/US2010/031960 2009-04-22 2010-04-21 Processing physiological sensor data using a physiological model combined with a probabilistic processor WO2010124034A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10767734.6A EP2512325B1 (en) 2009-04-22 2010-04-21 Processing physiological sensor data using a physiological model combined with a probabilistic processor

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US17180209P 2009-04-22 2009-04-22
US61/171,802 2009-04-22
US12/640,278 2009-12-17
US12/640,278 US20100274102A1 (en) 2009-04-22 2009-12-17 Processing Physiological Sensor Data Using a Physiological Model Combined with a Probabilistic Processor

Publications (2)

Publication Number Publication Date
WO2010124034A2 WO2010124034A2 (en) 2010-10-28
WO2010124034A3 true WO2010124034A3 (en) 2012-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/031960 WO2010124034A2 (en) 2009-04-22 2010-04-21 Processing physiological sensor data using a physiological model combined with a probabilistic processor

Country Status (3)

Country Link
US (1) US20100274102A1 (en)
EP (1) EP2512325B1 (en)
WO (1) WO2010124034A2 (en)

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Also Published As

Publication number Publication date
EP2512325B1 (en) 2016-08-31
EP2512325A2 (en) 2012-10-24
EP2512325A4 (en) 2013-11-20
WO2010124034A2 (en) 2010-10-28
US20100274102A1 (en) 2010-10-28

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