EP2976016A4 - Spectrum analysis of coronary artery turbulent blood flow - Google Patents

Spectrum analysis of coronary artery turbulent blood flow

Info

Publication number
EP2976016A4
EP2976016A4 EP14770732.7A EP14770732A EP2976016A4 EP 2976016 A4 EP2976016 A4 EP 2976016A4 EP 14770732 A EP14770732 A EP 14770732A EP 2976016 A4 EP2976016 A4 EP 2976016A4
Authority
EP
European Patent Office
Prior art keywords
blood flow
coronary artery
spectrum analysis
turbulent blood
turbulent
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.)
Withdrawn
Application number
EP14770732.7A
Other languages
German (de)
French (fr)
Other versions
EP2976016A1 (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 EP2976016A1 publication Critical patent/EP2976016A1/en
Publication of EP2976016A4 publication Critical patent/EP2976016A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, 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
    • A61B5/026—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, 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
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7275—Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
    • A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5223—Devices 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
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/20—ICT 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
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
    • G16H50/30—ICT 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2505/00—Evaluating, monitoring or diagnosing in the context of a particular type of medical care
    • A61B2505/05—Surgical care
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0204—Acoustic sensors
    • 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
    • A61B5/0803—Recording apparatus 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
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/1102—Ballistocardiography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
    • 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
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7282—Event detection, e.g. detecting unique waveforms indicative of a medical condition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4427—Device being portable or laptop-like

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Cardiology (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Databases & Information Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Primary Health Care (AREA)
  • Artificial Intelligence (AREA)
  • Epidemiology (AREA)
  • Psychiatry (AREA)
  • Radiology & Medical Imaging (AREA)
  • Vascular Medicine (AREA)
  • Hematology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
EP14770732.7A 2013-03-18 2014-03-14 Spectrum analysis of coronary artery turbulent blood flow Withdrawn EP2976016A4 (en)

Applications Claiming Priority (2)

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
PCT/US2014/029833 WO2014153265A1 (en) 2013-03-18 2014-03-14 Spectrum analysis of coronary artery turbulent blood flow

Publications (2)

Publication Number Publication Date
EP2976016A1 EP2976016A1 (en) 2016-01-27
EP2976016A4 true EP2976016A4 (en) 2016-12-07

Family

ID=51581468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14770732.7A Withdrawn EP2976016A4 (en) 2013-03-18 2014-03-14 Spectrum analysis of coronary artery turbulent blood flow

Country Status (3)

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

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

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991006243A1 (en) * 1989-10-26 1991-05-16 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
WO1993022970A1 (en) * 1992-05-21 1993-11-25 Mcg International, Inc. Producing spectral patterns of heart sounds
US20060079782A1 (en) * 2004-08-31 2006-04-13 University Of Washington Ultrasonic technique for assessing wall vibrations in stenosed blood vessels
WO2006078954A1 (en) * 2005-01-20 2006-07-27 Medscan Sonics, Inc. Apparatus for acoustic diagnosis of abnormalities in coronary arteries
EP1808122A2 (en) * 1997-11-10 2007-07-18 Harris Corporation Non-invasive turbulent blood flow imaging system
US20070276270A1 (en) * 2006-05-24 2007-11-29 Bao Tran Mesh network stroke monitoring appliance
US20090299197A1 (en) * 2008-06-02 2009-12-03 Antonelli Lynn T Remote Blood Pressure Waveform Sensing Method and Apparatus
US20100036254A1 (en) * 2008-08-09 2010-02-11 PhonoFlow Medical, LLC Spectrum analysis of coronary artery turbulent blood flow
EP2462871A1 (en) * 2010-12-13 2012-06-13 Acarix A/S System, stethoscope and method for indicating risk of coronary artery disease

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7780596B2 (en) * 2002-10-17 2010-08-24 The Johns Hopkins University Non-invasive health monitor
FR2847795B1 (en) * 2002-11-29 2005-09-16 Ela Medical Sa DEVICE FOR NON-INVASIVE MEASUREMENT OF ARTERIAL PRESSURE, IN PARTICULAR FOR CONTINUOUS AMBULATORY FOLLOWING OF ARTERIAL PRESSURE
US20080021336A1 (en) * 2006-04-24 2008-01-24 Dobak John D Iii Devices and methods for accelerometer-based characterization of cardiac synchrony and dyssynchrony
JP2010187928A (en) * 2009-02-18 2010-09-02 Gifu Univ Method, apparatus, and program for evaluating mechanical function of blood vessel to be measured, and storage medium

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991006243A1 (en) * 1989-10-26 1991-05-16 Rutgers, The State University Of New Jersey Noninvasive diagnostic system for coronary artery disease
WO1993022970A1 (en) * 1992-05-21 1993-11-25 Mcg International, Inc. Producing spectral patterns of heart sounds
EP1808122A2 (en) * 1997-11-10 2007-07-18 Harris Corporation Non-invasive turbulent blood flow imaging system
US20060079782A1 (en) * 2004-08-31 2006-04-13 University Of Washington Ultrasonic technique for assessing wall vibrations in stenosed blood vessels
WO2006078954A1 (en) * 2005-01-20 2006-07-27 Medscan Sonics, Inc. Apparatus for acoustic diagnosis of abnormalities in coronary arteries
US20070276270A1 (en) * 2006-05-24 2007-11-29 Bao Tran Mesh network stroke monitoring appliance
US20090299197A1 (en) * 2008-06-02 2009-12-03 Antonelli Lynn T Remote Blood Pressure Waveform Sensing Method and Apparatus
US20100036254A1 (en) * 2008-08-09 2010-02-11 PhonoFlow Medical, LLC Spectrum analysis of coronary artery turbulent blood flow
EP2462871A1 (en) * 2010-12-13 2012-06-13 Acarix A/S System, stethoscope and method for indicating risk of coronary artery disease

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014153265A1 *

Also Published As

Publication number Publication date
WO2014153265A1 (en) 2014-09-25
EP2976016A1 (en) 2016-01-27
CA2907400A1 (en) 2014-09-25

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