WO2002013697A8 - Obstructive sleep apnea event detecting system and method - Google Patents

Obstructive sleep apnea event detecting system and method

Info

Publication number
WO2002013697A8
WO2002013697A8 PCT/US2001/041781 US0141781W WO0213697A8 WO 2002013697 A8 WO2002013697 A8 WO 2002013697A8 US 0141781 W US0141781 W US 0141781W WO 0213697 A8 WO0213697 A8 WO 0213697A8
Authority
WO
WIPO (PCT)
Prior art keywords
sleep apnea
obstructive sleep
apnea event
breathing
detecting system
Prior art date
Application number
PCT/US2001/041781
Other languages
French (fr)
Other versions
WO2002013697A1 (en
Inventor
Michael L Lehrman
Michael E Halleck
Original Assignee
Ilife Systems Inc
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 Ilife Systems Inc filed Critical Ilife Systems Inc
Priority to AU2001287193A priority Critical patent/AU2001287193A1/en
Publication of WO2002013697A1 publication Critical patent/WO2002013697A1/en
Publication of WO2002013697A8 publication Critical patent/WO2002013697A8/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/003—Detecting lung or respiration noise
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6822—Neck
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/08—Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/087—Measuring breath flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4806—Sleep evaluation
    • A61B5/4818—Sleep apnoea
    • 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
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Abstract

A system (100) and method for detecting the onset of an obstructive sleep apnea event before the obstructive sleep apnea event fully develops and before the cessation of breathing occurs. The system (100) comprises one or more microphones (125, 130, 135, 140) capable of detecting breathing sounds within an airway of a person (120). The microphones (125, 130, 135, 140) generate signals representative of the breathing sounds and send the signals to a controller (230). The controller (230) identifies at least one signal pattern that is associated with a breathing pattern of the person (120) that occurs at the onset of an obstructive sleep apnea event. The controller (230) may also identify at least one signal pattern that is associated with a partially occluded breathing pattern of the person (120).
PCT/US2001/041781 2000-08-17 2001-08-17 Obstructive sleep apnea event detecting system and method WO2002013697A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001287193A AU2001287193A1 (en) 2000-08-17 2001-08-17 System and method for detecting the onset of an obstructive sleep apnea event

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/641,982 2000-08-17
US09/641,982 US6666830B1 (en) 2000-08-17 2000-08-17 System and method for detecting the onset of an obstructive sleep apnea event

Publications (2)

Publication Number Publication Date
WO2002013697A1 WO2002013697A1 (en) 2002-02-21
WO2002013697A8 true WO2002013697A8 (en) 2002-07-18

Family

ID=24574653

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/041781 WO2002013697A1 (en) 2000-08-17 2001-08-17 Obstructive sleep apnea event detecting system and method

Country Status (5)

Country Link
US (2) US6666830B1 (en)
AR (1) AR030367A1 (en)
AU (1) AU2001287193A1 (en)
TW (1) TW579290B (en)
WO (1) WO2002013697A1 (en)

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Also Published As

Publication number Publication date
US7819823B2 (en) 2010-10-26
WO2002013697A1 (en) 2002-02-21
TW579290B (en) 2004-03-11
US6666830B1 (en) 2003-12-23
US20040225226A1 (en) 2004-11-11
AR030367A1 (en) 2003-08-20
AU2001287193A1 (en) 2002-02-25

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