Patents by Inventor Christopher L. FELTON

Christopher L. FELTON 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: 11923876
    Abstract: In accordance with some embodiments of the disclosed subject matter, mechanisms (which can, for example, include systems, methods, and media) for low-power encoding of continuous physiological signals are provided. In some embodiments, a system comprises: a physiological sensor; and a remote monitor comprising: a battery; memory storing a k-ary tree including a root with k branches corresponding to k delta values, k nodes at a first depth below the Leads root node each having k branches corresponding to the k delta values the nodes indexed to indicate the lateral position of the node within the depth; a processor programmed to: receive a first sample value from the sensor; receive a second sample value; calculate a difference between the second first sample values; determine that the delta corresponds to a first delta of the k delta values; encode a sequence of deltas based on a depth and node index.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: March 5, 2024
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Christopher L. Felton, Barry K. Gilbert, Clifton R. Haider
  • Publication number: 20210306000
    Abstract: In accordance with some embodiments of the disclosed subject matter, mechanisms (which can, for example, include systems, methods, and media) for low-power encoding of continuous physiological signals are provided. In some embodiments, a system comprises: a physiological sensor; and a remote monitor comprising: a battery; memory storing a k-ary tree including a root with k branches corresponding to k delta values, k nodes at a first depth below the root node each having k branches corresponding to the k delta values the nodes indexed to indicate the lateral position of the node within the depth; a processor programmed to: receive a first sample value from the sensor; receive a second sample value; calculate a difference between the second first sample values; determine that the delta corresponds to a first delta of the k delta values; encode a sequence of deltas based on a depth and node index.
    Type: Application
    Filed: July 15, 2019
    Publication date: September 30, 2021
    Inventors: Christopher L. Felton, Barry K. Gilbert, Clifton R. Haider
  • Publication number: 20210145346
    Abstract: In accordance with some embodiments of the disclosed subject matter, mechanisms for efficient real-time embedded processing of physiological signals using S transforms are provided. In some embodiments, a system comprises: a sensor configured to monitor at least one condition of the subject and generate physiological feedback data; a processor configured to receive the physiological feedback data from the sensor and programmed to: implement a ECG Leads filter bank with a predetermined number of coefficients and taps selected to perform a Stockwell transform on the physiological feedback data and provide a frequency domain data of the physiological feedback data; analyze the frequency domain data using a physiological monitoring criteria; generate a report about the physiological condition of the subject based on the analysis of the frequency domain data using the physiological monitoring criteria; a display configured to display the report about the physiological condition of the subject.
    Type: Application
    Filed: July 11, 2018
    Publication date: May 20, 2021
    Inventors: David R. Holmes, III, Clifton R. Haider, Lukas Smital, Samuel Cerqueira Pinto, Christopher L. Felton
  • Patent number: 10984646
    Abstract: A fall detection system includes a plurality of sensors in which at least one of the sensors is coupled to or disposed near a floor. The fall detection system further includes a central monitoring system in signal communication with the plurality of sensors. The central monitoring system is configured to receive a response signal in response to an activation signal being transmitted from at least one of the plurality of sensors, and determine whether the response signal is indicative of a person being arranged in a prone position on the floor.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: April 20, 2021
    Assignee: Mayo Foundation for Medical Education and Research
    Inventors: Daniel J. Schwab, Barry K. Gilbert, Clifton R. Haider, Mark E. Vickberg, Gary S. Delp, Christopher L. Felton, Patrick J. Zabinski
  • Publication number: 20210022620
    Abstract: In accordance with some embodiments, systems, methods, and media for estimating compensatory reserve and predicting hemodynamic decompensation using physiological data are provided. In some embodiments, a system for estimating compensatory reserve is provided, the system comprising: a processor programmed to: receive a blood pressure waveform of a subject; generate a first sample of the blood pressure waveform with a first duration; provide the sample as input to a trained CNN that was trained using samples of the first duration from blood pressure waveforms recorded from subjects while decreasing the subject's central blood volume, each sample being associated with a compensatory reserve metric; receive, from the trained CNN, a first compensatory reserve metric based on the first sample; and cause information indicative of remaining compensatory reserve to be presented.
    Type: Application
    Filed: July 21, 2020
    Publication date: January 28, 2021
    Inventors: Robert W. Techentin, Timothy B. Curry, Michael J. Joyner, David R. Holmes, III, Clifton R. Haider, Christopher L. Felton, Barry K. Gilbert, Charlotte Sue Van Dorn, William A. Carey
  • Publication number: 20200264303
    Abstract: In accordance with some embodiments of the disclosed subject matter, mechanisms (which can, for example, include systems, apparatuses, methods, and media) for determining three dimensional location of an object associated with a person at risk of falling down are provided.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 20, 2020
    Inventors: Daniel J. Schwab, Christopher L. Felton, Bruce R. Kline, Barry K. Gilbert, Gary S. Delp, Clifton R. Haider
  • Publication number: 20190333354
    Abstract: A fall detection system includes a plurality of sensors in which at least one of the sensors is coupled to or disposed near a floor. The fall detection system further includes a central monitoring system in signal communication with the plurality of sensors. The central monitoring system is configured to receive a response signal in response to an activation signal being transmitted from at least one of the plurality of sensors, and determine whether the response signal is indicative of a person being arranged in a prone position on the floor.
    Type: Application
    Filed: June 22, 2017
    Publication date: October 31, 2019
    Applicant: Mayo Foundation for Medical Education and Research
    Inventors: Daniel J. SCHWAB, Barry K. GILBERT, Clifton R. HAIDER, Mark E. VICKBERG, Gary S. DELP, Christopher L. FELTON, Patrick J. ZABINSKI