Patents by Inventor Niema M. Pahlevan

Niema M. Pahlevan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11957438
    Abstract: A non-invasive and convenient method and apparatus for approximation of left ventricular end diastolic pressure (LVEDP) can be used in both hospital/clinic environments and nursing home or home environments. The method and apparatus use non-invasive sensors and a new “cardiac triangle” computational method to obtain an approximation of LVEDP. The computational method uses hemodynamic and electrocardiogram (ECG) waveforms as input, which can be collected by a portable device or devices.
    Type: Grant
    Filed: August 18, 2023
    Date of Patent: April 16, 2024
    Assignee: California Institute of Technology
    Inventors: Morteza Gharib, Niema M. Pahlevan
  • Publication number: 20230420132
    Abstract: Some embodiments relate to non-invasive techniques for determining whether a patient has experienced heart failure. In some embodiments, a machine learning model may be trained to determine whether the patient has experienced heart failure using blood pressure waveforms and ECGs taken concurrently. Using the intrinsic frequency methodology and the cardiac triangle mapping methodology, features about the patient's cardiac cycle can be extracted and provided to the trained model as input.
    Type: Application
    Filed: November 10, 2021
    Publication date: December 28, 2023
    Inventors: Niema M. PAHLEVAN, Rashid ALAVI DEHKORDI, Ray V. MATTHEWS
  • Publication number: 20230404488
    Abstract: The present application relates to using noninvasive techniques to determine whether a patient has experienced a cardiac event. The present application also relates to using noninvasive techniques to determine a size of a myocardial infarction experienced by a patient. In some embodiments, arterial pressure waveforms may be obtained, and from the arterial pressure waveform, a set of cardiac parameters may be extracted. The extracted cardiac parameters may be provided, as input, to the trained machine learning model, which may output a result indicating whether the patient experienced a cardiac event, a size of a myocardial infarction experience by a patient, or other information about the patient's cardiac health.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 21, 2023
    Inventors: Niema M. PAHLEVAN, Rashid ALAVI DEHKORDI
  • Publication number: 20230389805
    Abstract: A non-invasive and convenient method and apparatus for approximation of left ventricular end diastolic pressure (LVEDP) can be used in both hospital/clinic environments and nursing home or home environments. The method and apparatus use non-invasive sensors and a new “cardiac triangle” computational method to obtain an approximation of LVEDP. The computational method uses hemodynamic and electrocardiogram (ECG) waveforms as input, which can be collected by a portable device or devices.
    Type: Application
    Filed: August 18, 2023
    Publication date: December 7, 2023
    Inventors: Morteza Gharib, Niema M. Pahlevan
  • Publication number: 20230389850
    Abstract: The present application relates to using noninvasive techniques to determine whether a patient has experienced a cardiac event. The present application also relates to using noninvasive techniques to determine a size of a myocardial infarction experienced by a patient. In some embodiments, arterial pressure waveforms may be obtained, and from the arterial pressure waveform, a set of cardiac parameters may be extracted. The extracted cardiac parameters may be provided, as input, to the trained machine learning model, which may output a result indicating whether the patient experienced a cardiac event, a size of a myocardial infarction experience by a patient, or other information about the patient's cardiac health.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 7, 2023
    Inventors: Niema M. PAHLEVAN, Rashid ALAVI DEHKORDI
  • Patent number: 11730376
    Abstract: A non-invasive and convenient method and apparatus for approximation of left ventricular end diastolic pressure (LVEDP) can be used in both hospital/clinic environments and nursing home or home environments. The method and apparatus use non-invasive sensors and a new “cardiac triangle” computational method to obtain an approximation of LVEDP. The computational method uses hemodynamic and electrocardiogram (ECG) waveforms as input, which can be collected by a portable device or devices.
    Type: Grant
    Filed: June 9, 2020
    Date of Patent: August 22, 2023
    Assignee: California Institute of Technology
    Inventors: Morteza Gharib, Niema M. Pahlevan
  • Publication number: 20210386309
    Abstract: Systems and methods are provided for extracting hemodynamic information, optionally employing portable electronic devices with optional User Interface (UI) features for system implementation. The systems and methods may be employed for acquiring hemodynamic signals and associated electrophysiological data and/or analyzing the former or both in combination to yield useful physiological indicia or results. Such hardware and software is advantageously used for non-invasively monitoring cardiac health.
    Type: Application
    Filed: January 13, 2021
    Publication date: December 16, 2021
    Inventors: Derek Rinderknecht, Niema M. Pahlevan, Peyman Tavallali, Morteza Gharib
  • Publication number: 20210205598
    Abstract: A system configured to be at least partially implanted along an aorta includes an inelastic, static member and a pinching member. The pinching member is configured to receive an activation signal at an activation rate and in response to the activation signal, repeatedly compress the aorta at the second location at the activation rate to pump fluid within the aorta in a desired pumping direction. The system is configured to selectively control wave reflections in order to achieve both improved wave dynamics to reduce cardiac load and increased (or at least non-diminished) blood flow to targeted organs within the cardiovascular system.
    Type: Application
    Filed: January 6, 2021
    Publication date: July 8, 2021
    Inventors: Niema M. Pahlevan, Morteza Gharib, Marie Csete
  • Publication number: 20210154385
    Abstract: An artificial chamber including a first conduit, a second conduit, a third conduit, and a wall defining a space; in which the first conduit and the second conduit are positioned opposite one another; in which the third conduit is opposite the wall; and in which the wall has a concave surface is disclosed. The chamber can be part of a system for providing pulmonary support. The system includes the chamber and a first pump connected to the third conduit, and connected to a fourth conduit; in which the chamber receives fluid via the first conduit and the second conduit, in which the first pump receives fluid from the chamber via the third conduit; and in which the fourth conduit transports fluid from the first pump to a first blood vessel. Methods of making a chamber and a system, and methods of using the chamber and system are also disclosed.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 27, 2021
    Applicant: CHILDREN'S HOSPITAL LOS ANGELES
    Inventors: Cynthia S. HERRINGTON, Jon David MENTEER, Sarah BADRAN, Heng WEI, Niema M PAHLEVAN
  • Publication number: 20200359912
    Abstract: A non-invasive and convenient method and apparatus for approximation of left ventricular end diastolic pressure (LVEDP) can be used in both hospital/clinic environments and nursing home or home environments. The method and apparatus use non-invasive sensors and a new “cardiac triangle” computational method to obtain an approximation of LVEDP. The computational method uses hemodynamic and electrocardiogram (ECG) waveforms as input, which can be collected by a portable device or devices.
    Type: Application
    Filed: June 9, 2020
    Publication date: November 19, 2020
    Inventors: Morteza Gharib, Niema M. Pahlevan