EP3796957A4 - System and method of a biosensor for detection of vasodilation - Google Patents

System and method of a biosensor for detection of vasodilation Download PDF

Info

Publication number
EP3796957A4
EP3796957A4 EP19808491.5A EP19808491A EP3796957A4 EP 3796957 A4 EP3796957 A4 EP 3796957A4 EP 19808491 A EP19808491 A EP 19808491A EP 3796957 A4 EP3796957 A4 EP 3796957A4
Authority
EP
European Patent Office
Prior art keywords
vasodilation
biosensor
detection
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
EP19808491.5A
Other languages
German (de)
French (fr)
Other versions
EP3796957A1 (en
Inventor
Robert Steven NEWBERRY
Matthew Rodencal
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.)
Trilinear Bioventures LLC
Original Assignee
Trilinear Bioventures 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
Application filed by Trilinear Bioventures LLC filed Critical Trilinear Bioventures LLC
Publication of EP3796957A1 publication Critical patent/EP3796957A1/en
Publication of EP3796957A4 publication Critical patent/EP3796957A4/en
Pending 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
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • 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
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring 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
    • A61B5/14551—Measuring 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
    • A61B5/14552—Details of sensors 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
    • A61B5/72—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
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/7214—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Signal Processing (AREA)
  • Hematology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
EP19808491.5A 2018-05-22 2019-05-17 System and method of a biosensor for detection of vasodilation Pending EP3796957A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862675151P 2018-05-22 2018-05-22
PCT/US2019/032942 WO2019226493A1 (en) 2018-05-22 2019-05-17 System and method of a biosensor for detection of vasodilation

Publications (2)

Publication Number Publication Date
EP3796957A1 EP3796957A1 (en) 2021-03-31
EP3796957A4 true EP3796957A4 (en) 2022-04-20

Family

ID=68617337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19808491.5A Pending EP3796957A4 (en) 2018-05-22 2019-05-17 System and method of a biosensor for detection of vasodilation

Country Status (2)

Country Link
EP (1) EP3796957A4 (en)
WO (1) WO2019226493A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140194342A1 (en) * 2009-10-05 2014-07-10 Hao Zhang Peptide-Based Peroxidase Inhibitors and Methods of Using Same
US20160367154A1 (en) * 2014-02-06 2016-12-22 Vita-Sentry Ltd. Obtaining cardiovascular parameters using arterioles related transient time
WO2019177700A2 (en) * 2018-03-15 2019-09-19 Sanmina Corporation System method for motion detection using a ppg sensor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6280390B1 (en) * 1999-12-29 2001-08-28 Ramot University Authority For Applied Research And Industrial Development Ltd. System and method for non-invasively monitoring hemodynamic parameters
US20120029363A1 (en) * 2010-07-30 2012-02-02 Nellcor Puritan Bennett Llc Systems and methods for improved computation of differential pulse transit time from photoplethysmograph signals
US20130066176A1 (en) * 2011-09-09 2013-03-14 Nellcor Puritan Bennett Ireland Venous oxygen saturation systems and methods

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140194342A1 (en) * 2009-10-05 2014-07-10 Hao Zhang Peptide-Based Peroxidase Inhibitors and Methods of Using Same
US20160367154A1 (en) * 2014-02-06 2016-12-22 Vita-Sentry Ltd. Obtaining cardiovascular parameters using arterioles related transient time
WO2019177700A2 (en) * 2018-03-15 2019-09-19 Sanmina Corporation System method for motion detection using a ppg sensor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019226493A1 *

Also Published As

Publication number Publication date
EP3796957A1 (en) 2021-03-31
WO2019226493A1 (en) 2019-11-28

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