DE602005005964D1 - Techniken zum nachweis von herzpulsen und verringerung des stromverbrauchs in sensoren - Google Patents

Techniken zum nachweis von herzpulsen und verringerung des stromverbrauchs in sensoren

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Publication number
DE602005005964D1
DE602005005964D1 DE602005005964T DE602005005964T DE602005005964D1 DE 602005005964 D1 DE602005005964 D1 DE 602005005964D1 DE 602005005964 T DE602005005964 T DE 602005005964T DE 602005005964 T DE602005005964 T DE 602005005964T DE 602005005964 D1 DE602005005964 D1 DE 602005005964D1
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DE
Germany
Prior art keywords
signal
noise ratio
sensor
moving
power consumption
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Active
Application number
DE602005005964T
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English (en)
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DE602005005964T2 (de
Inventor
Brad Nordstrom
William Shea
Ethan Petersen
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Nellcor Puritan Bennett LLC
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Nellcor Puritan Bennett LLC
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Application filed by Nellcor Puritan Bennett LLC filed Critical Nellcor Puritan Bennett LLC
Publication of DE602005005964D1 publication Critical patent/DE602005005964D1/de
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • A61B5/14551Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02Operational features
    • A61B2560/0204Operational features of power management
    • A61B2560/0209Operational features of power management adapted for power saving
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/024Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235Details of waveform analysis
    • A61B5/7239Details of waveform analysis using differentiation including higher order derivatives
DE602005005964T 2004-02-25 2005-02-25 Techniken zum nachweis von herzpulsen und verringerung des stromverbrauchs in sensoren Active DE602005005964T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US787851 1991-11-05
US10/787,851 US7162288B2 (en) 2004-02-25 2004-02-25 Techniques for detecting heart pulses and reducing power consumption in sensors
PCT/US2005/006208 WO2005082240A1 (en) 2004-02-25 2005-02-25 Techniques for detecting heart pulses and reducing power consumption in sensors

Publications (2)

Publication Number Publication Date
DE602005005964D1 true DE602005005964D1 (de) 2008-05-21
DE602005005964T2 DE602005005964T2 (de) 2009-05-20

Family

ID=34861934

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005005964T Active DE602005005964T2 (de) 2004-02-25 2005-02-25 Techniken zum nachweis von herzpulsen und verringerung des stromverbrauchs in sensoren

Country Status (11)

Country Link
US (2) US7162288B2 (de)
EP (1) EP1722674B1 (de)
JP (1) JP4756027B2 (de)
CN (1) CN1929777A (de)
AT (1) ATE391454T1 (de)
AU (1) AU2005216976A1 (de)
CA (1) CA2556724C (de)
DE (1) DE602005005964T2 (de)
ES (1) ES2306122T3 (de)
MX (1) MXPA06009754A (de)
WO (1) WO2005082240A1 (de)

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ATE391454T1 (de) 2008-04-15
US7499740B2 (en) 2009-03-03
CA2556724C (en) 2014-02-18
EP1722674A1 (de) 2006-11-22
CN1929777A (zh) 2007-03-14
CA2556724A1 (en) 2005-09-09
ES2306122T3 (es) 2008-11-01
US20070208240A1 (en) 2007-09-06
DE602005005964T2 (de) 2009-05-20
JP4756027B2 (ja) 2011-08-24
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