CA2907400A1 - Analyse spectrale de flux sanguin turbulent d'artere coronaire - Google Patents

Analyse spectrale de flux sanguin turbulent d'artere coronaire

Info

Publication number
CA2907400A1
CA2907400A1 CA2907400A CA2907400A CA2907400A1 CA 2907400 A1 CA2907400 A1 CA 2907400A1 CA 2907400 A CA2907400 A CA 2907400A CA 2907400 A CA2907400 A CA 2907400A CA 2907400 A1 CA2907400 A1 CA 2907400A1
Authority
CA
Canada
Prior art keywords
vibrational
frequency power
frequency
power spectrum
cardiac data
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.)
Abandoned
Application number
CA2907400A
Other languages
English (en)
Inventor
Norman Lee Owsley
Roger Paul Norris
Ralph Walter Zaorski
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.)
PhonoFlow Medical LLC
Original Assignee
PhonoFlow Medical 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
Priority claimed from US13/815,961 external-priority patent/US8961427B2/en
Application filed by PhonoFlow Medical LLC filed Critical PhonoFlow Medical LLC
Publication of CA2907400A1 publication Critical patent/CA2907400A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/026Measuring blood flow
    • 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
    • A61B5/02007Evaluating blood vessel condition, e.g. elasticity, compliance
    • 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
    • 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
    • A61B5/7271Specific aspects of physiological measurement analysis
    • A61B5/7275Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5223Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for extracting a diagnostic or physiological parameter from medical diagnostic data
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/20ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
    • GPHYSICS
    • G16INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/30ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2505/00Evaluating, monitoring or diagnosing in the context of a particular type of medical care
    • A61B2505/05Surgical care
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0204Acoustic sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/08Detecting, measuring or recording devices for evaluating the respiratory organs
    • A61B5/0803Recording apparatus specially adapted therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1102Ballistocardiography
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/103Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/113Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • 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
    • A61B5/7253Details of waveform analysis characterised by using transforms
    • A61B5/7257Details of waveform analysis characterised by using transforms using Fourier transforms
    • 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
    • A61B5/7271Specific aspects of physiological measurement analysis
    • A61B5/7282Event detection, e.g. detecting unique waveforms indicative of a medical condition
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4427Device being portable or laptop-like
CA2907400A 2013-03-18 2014-03-14 Analyse spectrale de flux sanguin turbulent d'artere coronaire Abandoned CA2907400A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/815,961 US8961427B2 (en) 2008-08-09 2013-03-18 Spectrum analysis of coronary artery turbulent blood flow
US13/815,961 2013-03-18
PCT/US2014/029833 WO2014153265A1 (fr) 2013-03-18 2014-03-14 Analyse spectrale de flux sanguin turbulent d'artère coronaire

Publications (1)

Publication Number Publication Date
CA2907400A1 true CA2907400A1 (fr) 2014-09-25

Family

ID=51581468

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2907400A Abandoned CA2907400A1 (fr) 2013-03-18 2014-03-14 Analyse spectrale de flux sanguin turbulent d'artere coronaire

Country Status (3)

Country Link
EP (1) EP2976016A4 (fr)
CA (1) CA2907400A1 (fr)
WO (1) WO2014153265A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11240579B2 (en) 2020-05-08 2022-02-01 Level 42 Ai Sensor systems and methods for characterizing health conditions

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036857A (en) * 1989-10-26 1991-08-06 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
US5337752A (en) * 1992-05-21 1994-08-16 Mcg International, Inc. System for simultaneously producing and synchronizing spectral patterns of heart sounds and an ECG signal
EP1808122A3 (fr) * 1997-11-10 2007-08-08 Harris Corporation Système d'imagerie de flux sanguin turbulent non invasif
US7780596B2 (en) * 2002-10-17 2010-08-24 The Johns Hopkins University Non-invasive health monitor
FR2847795B1 (fr) * 2002-11-29 2005-09-16 Ela Medical Sa Dispositif de mesure non invasive de la pression arterielle, notamment pour le suivi ambulatoire en continu de la pression arterielle
JP5529378B2 (ja) * 2004-08-31 2014-06-25 ユニヴァーシティ オブ ワシントン 狭窄血管における壁振動を評価するための超音波技法
US20070055151A1 (en) * 2005-01-20 2007-03-08 Shertukde Hemchandra M Apparatus and methods for acoustic diagnosis
US20080021336A1 (en) * 2006-04-24 2008-01-24 Dobak John D Iii Devices and methods for accelerometer-based characterization of cardiac synchrony and dyssynchrony
US7558622B2 (en) * 2006-05-24 2009-07-07 Bao Tran Mesh network stroke monitoring appliance
US8177721B2 (en) * 2008-06-02 2012-05-15 The United States Of America As Represented By The Secretary Of The Navy Remote blood pressure waveform sensing method and apparatus
US8419651B2 (en) * 2008-08-09 2013-04-16 PhonoFlow Medical, LLC Spectrum analysis of coronary artery turbulent blood flow
JP2010187928A (ja) * 2009-02-18 2010-09-02 Gifu Univ 測定対象血管の力学的機能の評価方法、測定対象血管の力学的機能評価装置、測定対象血管の力学的機能の評価プログラム及び記憶媒体
EP2462871A1 (fr) * 2010-12-13 2012-06-13 Acarix A/S Système, stéthoscope et procédé pour indiquer le risque de maladie coronarienne

Also Published As

Publication number Publication date
EP2976016A4 (fr) 2016-12-07
EP2976016A1 (fr) 2016-01-27
WO2014153265A1 (fr) 2014-09-25

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Legal Events

Date Code Title Description
FZDE Dead

Effective date: 20190314