CA3079686A1 - Procede de pretraitement et de criblage de signaux sonores auscultatoires - Google Patents

Procede de pretraitement et de criblage de signaux sonores auscultatoires Download PDF

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Publication number
CA3079686A1
CA3079686A1 CA3079686A CA3079686A CA3079686A1 CA 3079686 A1 CA3079686 A1 CA 3079686A1 CA 3079686 A CA3079686 A CA 3079686A CA 3079686 A CA3079686 A CA 3079686A CA 3079686 A1 CA3079686 A1 CA 3079686A1
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CA
Canada
Prior art keywords
auscultatory
signal
auscultatory sound
heart
sound signal
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.)
Pending
Application number
CA3079686A
Other languages
English (en)
Inventor
Sergey A. Telenkov
Robin F. Castelino
David Gloag
Md Shahidul Islam
Daniel Labonte
Brady LASKA
Simon Martin
Jikang ZENG
Jun Zhou
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.)
Ausculsciences Inc
Original Assignee
Ausculsciences 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 Ausculsciences Inc filed Critical Ausculsciences Inc
Publication of CA3079686A1 publication Critical patent/CA3079686A1/fr
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00Instruments for auscultation
    • A61B7/02Stethoscopes
    • A61B7/04Electric stethoscopes

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

Un signal sonore auscultatoire provenant d'au moins un capteur de vibration ou de son auscultatoire est segmenté en une pluralité de segments de cycle cardiaque associés en réponse à des emplacements de pic R associés d'un signal d'enveloppe électrographique représentant une réponse d'enveloppe à une puissance uniforme d'un signal électrographique associé provenant d'un capteur d'ECG. Une représentation d'une enveloppe sensible à une puissance uniforme dudit signal sonore auscultatoire dans ledit au moins un cycle cardiaque est modélisée localement autour d'au moins un second pic pour permettre la localisation du début de la diastole dudit au moins un cycle cardiaque.
CA3079686A 2017-10-21 2018-10-22 Procede de pretraitement et de criblage de signaux sonores auscultatoires Pending CA3079686A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201762575397P 2017-10-21 2017-10-21
US201762575390P 2017-10-21 2017-10-21
US201762575399P 2017-10-21 2017-10-21
US62/575,397 2017-10-21
US62/575,390 2017-10-21
US62/575,399 2017-10-21
PCT/US2018/056956 WO2019079829A1 (fr) 2017-10-21 2018-10-22 Procédé de prétraitement et de criblage de signaux sonores auscultatoires

Publications (1)

Publication Number Publication Date
CA3079686A1 true CA3079686A1 (fr) 2019-04-25

Family

ID=64316988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3079686A Pending CA3079686A1 (fr) 2017-10-21 2018-10-22 Procede de pretraitement et de criblage de signaux sonores auscultatoires

Country Status (3)

Country Link
EP (1) EP3700427A1 (fr)
CA (1) CA3079686A1 (fr)
WO (1) WO2019079829A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11284827B2 (en) 2017-10-21 2022-03-29 Ausculsciences, Inc. Medical decision support system
WO2022032041A1 (fr) * 2020-08-05 2022-02-10 Ausculsciences, Inc. Système de support de décision médicale
WO2021107941A1 (fr) * 2019-11-27 2021-06-03 Vitalchains Corporation Procédé et système de séparation de sons à partir de différentes sources
CN112257573B (zh) * 2020-10-21 2022-06-24 吉林大学 一种基于t-SNE和Adaboost的ECG身份识别方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548204A (en) * 1981-03-06 1985-10-22 Siemens Gammasonics, Inc. Apparatus for monitoring cardiac activity via ECG and heart sound signals
US5109863A (en) * 1989-10-26 1992-05-05 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
US6050950A (en) 1996-12-18 2000-04-18 Aurora Holdings, Llc Passive/non-invasive systemic and pulmonary blood pressure measurement
CA2478912C (fr) 2002-03-18 2016-11-15 Sonomedica, Llc Methode et systeme de calcul de la probabilite de maladie cardiovasculaire a partir de l'analyse de signaux sonores cardiovasculaires
US9198634B2 (en) * 2009-08-03 2015-12-01 Diacoustic Medical Devices (Pty) Ltd Medical decision support system

Also Published As

Publication number Publication date
WO2019079829A1 (fr) 2019-04-25
EP3700427A1 (fr) 2020-09-02
WO2019079829A9 (fr) 2019-08-22

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Effective date: 20231016