Patents by Inventor Dwight E. Nelson

Dwight E. Nelson 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).

  • Publication number: 20260134654
    Abstract: A method of training artificial intelligence systems includes receiving a set of images each containing an object of interest and defining a set of sub-regions on each image, at least one sub-region having a smaller area than an area of the sub-region's respective image. Each sub-region that contains an entirety of the object of interest is identified as a target sub-region. Pixels in each target sub-region that correspond to the object of interest are identified to form a true object/non-object mapping for each target sub-region. The target sub-regions are used as inputs to an artificial intelligence system and the true object/non-object mappings for the target sub-regions are used as expected outputs of the artificial intelligence system during training of the artificial intelligence system.
    Type: Application
    Filed: November 10, 2025
    Publication date: May 14, 2026
    Inventors: Dwight E. Nelson, Chih Lai, Jihun Moon, Nissrine Nakib, Mohamed Ahmed Mohamad Mahmoud Aboelmaaty, Evelyn Arden, Bowen Yao
  • Patent number: 12557990
    Abstract: Devices, systems, and techniques for analyzing video information to objectively identify patient behavior are disclosed. A system may analyze obtained video information of patient motion during a period of time to track one or more anatomical regions through a plurality of frames of the video information and calculate one or more movement parameters of the one or more anatomical regions. The system may also compare the one or more movement parameters to respective criteria for each of a plurality of predetermined patient behaviors and identify the patient behaviors that occurred during the period of time. In some examples, a device may control therapy delivery according to the identified patient behaviors and/or sensed parameters previously calibrated based on the identified patient behaviors.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: February 24, 2026
    Assignee: Medtronic, Inc.
    Inventors: Jianping Wu, Chih Lai, Dwight E. Nelson
  • Publication number: 20250265944
    Abstract: Systems and techniques are disclosed for aspects of audiovisual content selection based on collecting and processing physiological data. In an example, a system comprises: a sensor device with at one physiological sensor to capture physiological data from a human subject; an output device with a display device to output video and a speaker to output audio to the human subject; and a computing device with at least one processor to control an output of digital audiovisual data to a human subject via the output device, based on data processing operations including a comparison of an observed pattern of autonomic nervous system activity to a target pattern of autonomic nervous system activity.
    Type: Application
    Filed: May 6, 2025
    Publication date: August 21, 2025
    Inventors: Dan Sachs, Dwight E. Nelson
  • Patent number: 12357822
    Abstract: In some examples, a technique for delivering electrical stimulation therapy to a patient includes determining, by processing circuitry, one or more cycle settings associated with delivery of the electrical stimulation therapy, determining, by the processing circuitry, a cycle time period associated with each cycle setting, and delivering, by a medical device, electrical stimulation therapy based on the determined cycle settings and the determined cycle time periods. Each cycle setting may define an on-cycle, during which electrical stimulation is delivered, and an off-cycle, during which electrical stimulation is not delivered. The technique further may include delivering electrical stimulation to the patient to provide one or more reminders to the patient, such as a reminder to void or a reminder of the existence of electrical stimulation.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: July 15, 2025
    Assignee: Medtronic, Inc.
    Inventors: Xuan K. Wei, Ryan D. Willemsen, Dwight E. Nelson, Sudha B. Iyer, Kira Stolen, Xin Su
  • Patent number: 12322295
    Abstract: Systems and techniques are disclosed for aspects of audiovisual content selection based on collecting and processing physiological data. In an example, a system comprises: a sensor device with at one physiological sensor to capture physiological data from a human subject; an output device with a display device to output video and a speaker to output audio to the human subject; and a computing device with at least one processor to control an output of digital audiovisual data to a human subject via the output device, based on data processing operations including a comparison of an observed pattern of autonomic nervous system activity to a target pattern of autonomic nervous system activity.
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: June 3, 2025
    Inventors: Dan Sachs, Dwight E. Nelson
  • Patent number: 12310744
    Abstract: In some examples, a processor determines a patient state based on activity of a bioelectrical brain signal of a patient in one or more frequency sub-bands of a frequency band of interest. For example, a processor may determine a patient state based on the power level of a bioelectrical brain signal of the patient in one or more frequency sub-bands of a frequency band, or based on a spectral pattern of a bioelectrical brain signal in a frequency band, such as a shift in a power distribution between sub-bands, a change in the peak frequency within one or more sub-bands, a pattern of the power distribution over one or more frequency sub-bands, or a width or a variability of one or more sub-bands exhibiting a relatively high or low level of activity.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: May 27, 2025
    Assignee: Medtronic, Inc.
    Inventors: Dwight E. Nelson, Jianping Wu, Rahul Gupta, Yan Zhao
  • Patent number: 12268879
    Abstract: This disclosure relates to devices, systems, and methods for autotitrating stimulation parameters.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: April 8, 2025
    Assignee: Medtronic, Inc.
    Inventors: Xin Su, Thaddeus S. Brink, Dwight E. Nelson
  • Patent number: 12194301
    Abstract: Devices, systems, and methods may manage therapy delivery to a patient based on one or more physiological markers. In some examples, a method includes detecting a physiological marker that occurs prior in time to a dysfunctional phase of a physiological cycle, wherein a dysfunctional state of the physiological cycle occurs during the dysfunctional phase without treatment, responsive to detecting the physiological marker, initiating a first phase of the physiological cycle having a duration of time. The method may also include, responsive to the first phase elapsing, controlling a therapy delivery module to deliver neurostimulation therapy during a second phase that begins prior to the dysfunctional phase, wherein the neurostimulation therapy is configured to treat the dysfunctional state.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: January 14, 2025
    Assignee: Medtronic, Inc.
    Inventors: Thaddeus S. Brink, Dwight E. Nelson, Xin Su, Lance Zirpel
  • Patent number: 12178603
    Abstract: In some examples, a processor determines a patient state based on activity of a bioelectrical brain signal of a patient in one or more frequency sub-bands of a frequency band of interest. For example, a processor may determine a patient state based on the power level of a bioelectrical brain signal of the patient in one or more frequency sub-bands of a frequency band, or based on a spectral pattern of a bioelectrical brain signal in a frequency band, such as a shift in a power distribution between sub-bands, a change in the peak frequency within one or more sub-bands, a pattern of the power distribution over one or more frequency sub-bands, or a width or a variability of one or more sub-bands exhibiting a relatively high or low level of activity.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: December 31, 2024
    Assignee: Medtronic, Inc.
    Inventors: Dwight E. Nelson, Jianping Wu, Rahul Gupta, Yan Zhao
  • Publication number: 20240233573
    Abstract: Systems and techniques are disclosed for aspects of audiovisual content selection based on collecting and processing physiological data. In an example, a system comprises: a sensor device with at one physiological sensor to capture physiological data from a human subject; an output device with a display device to output video and a speaker to output audio to the human subject; and a computing device with at least one processor to control an output of digital audiovisual data to a human subject via the output device, based on data processing operations including a comparison of an observed pattern of autonomic nervous system activity to a target pattern of autonomic nervous system activity.
    Type: Application
    Filed: January 18, 2024
    Publication date: July 11, 2024
    Inventors: DAN SACHS, Dwight E. Nelson
  • Patent number: 11931581
    Abstract: In some examples, a system may include a plurality of electrodes, electrical stimulation circuitry, and a controller. The controller may be configured to select one or more parameters of therapy to be delivered to a brain of a patient and to control the electrical stimulation circuitry to deliver the therapy to the brain of the patient based on the selected parameters and via a first one or more electrodes of the plurality of electrodes. The parameters may be defined based on a first plurality of electrical signals sensed at a plurality of different positions within the brain of the patient when electrical stimulation is not delivered at each of the positions and a second plurality of electrical signals sensed at each of the plurality of different positions within the brain of the patient in response to electrical stimulation delivered at each of the positions at a plurality of different intensities.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: March 19, 2024
    Assignee: Medtronic, Inc.
    Inventors: Jianping Wu, Dwight E. Nelson, Gabriela C. Molnar
  • Patent number: 11917250
    Abstract: Systems and techniques are disclosed for aspects of audiovisual content selection based on collecting and processing physiological data. In an example, a system comprises: a sensor device with at one physiological sensor to capture physiological data from a human subject; an output device with a display device to output video and a speaker to output audio to the human subject; and a computing device with at least one processor to control an output of digital audiovisual data to a human subject via the output device, based on data processing operations including a comparison of an observed pattern of autonomic nervous system activity to a target pattern of autonomic nervous system activity.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: February 27, 2024
    Inventors: Dan Sachs, Dwight E. Nelson
  • Patent number: 11744499
    Abstract: This disclosure describes methods, systems, and devices configured to determine a timing of a future bladder related event of a patient. For example, a system includes processing circuitry configured to identify a timing of a plurality of bladder related events of a patient, determine, based on the timing of the plurality of bladder related events of the patient, a probability to experience a bladder related event function for the patient, the probability to experience a bladder related event function indicating a probability that the patient will experience a bladder related event at an elapsed time after a previous bladder related event, predict, based on the probability to experience a bladder related event function, a timing of a future bladder related event, and control delivery of a therapy to the patient based on the predicted timing of the future bladder related event.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: September 5, 2023
    Assignee: Medtronic, Inc.
    Inventors: Dwight E. Nelson, Thaddeus S. Brink, Lance Zirpel, Adam P. Steiner
  • Patent number: 11571575
    Abstract: This disclosure relates to devices, systems, and methods for autotitrating stimulation parameters.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: February 7, 2023
    Assignee: Medtronic, Inc.
    Inventors: Xin Su, Thaddeus S. Brink, Dwight E. Nelson
  • Publication number: 20220280089
    Abstract: Systems and methods for the clinical diagnosis of functional bladder states and disorders based upon contractile frequencies and variability. Systems and methods are also provided for the clinical diagnosis of functional bowel states and disorders based upon contractile frequencies and variability.
    Type: Application
    Filed: March 8, 2022
    Publication date: September 8, 2022
    Applicant: Regents of the University of Minnesota
    Inventors: Dwight E. Nelson, Gerald W. Timm, Bhaskar Ravishankar, Ranveer Vasdev
  • Patent number: 11376438
    Abstract: Devices, systems, and methods may manage therapy delivery to a patient based on one or more physiological markers. In some examples, a method includes detecting a physiological marker that occurs prior in time to a dysfunctional phase of a physiological cycle, wherein a dysfunctional state of the physiological cycle occurs during the dysfunctional phase without treatment, responsive to detecting the physiological marker, initiating a first phase of the physiological cycle having a duration of time. The method may also include, responsive to the first phase elapsing, controlling a therapy delivery module to deliver neurostimulation therapy during a second phase that begins prior to the dysfunctional phase, wherein the neurostimulation therapy is configured to treat the dysfunctional state.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: July 5, 2022
    Assignee: Medtronic, Inc.
    Inventors: Thaddeus S. Brink, Dwight E. Nelson, Xin Su, Lance Zirpel
  • Publication number: 20220142513
    Abstract: Devices, systems, and techniques for analyzing video information to objectively identify patient behavior are disclosed. A system may analyze obtained video information of patient motion during a period of time to track one or more anatomical regions through a plurality of frames of the video information and calculate one or more movement parameters of the one or more anatomical regions. The system may also compare the one or more movement parameters to respective criteria for each of a plurality of predetermined patient behaviors and identify the patient behaviors that occurred during the period of time. In some examples, a device may control therapy delivery according to the identified patient behaviors and/or sensed parameters previously calibrated based on the identified patient behaviors.
    Type: Application
    Filed: January 24, 2022
    Publication date: May 12, 2022
    Inventors: Jianping Wu, Chih Lai, Dwight E. Nelson
  • Publication number: 20220105348
    Abstract: Devices, systems, and methods may manage therapy delivery to a patient based on one or more physiological markers. In some examples, a method includes detecting a physiological marker that occurs prior in time to a dysfunctional phase of a physiological cycle, wherein a dysfunctional state of the physiological cycle occurs during the dysfunctional phase without treatment, responsive to detecting the physiological marker, initiating a first phase of the physiological cycle having a duration of time. The method may also include, responsive to the first phase elapsing, controlling a therapy delivery module to deliver neurostimulation therapy during a second phase that begins prior to the dysfunctional phase, wherein the neurostimulation therapy is configured to treat the dysfunctional state.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Inventors: Thaddeus S. Brink, Dwight E. Nelson, Xin Su, Lance Zirpel
  • Publication number: 20220080206
    Abstract: This disclosure relates to devices, systems, and methods for autotitrating stimulation parameters.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Inventors: Xin Su, Thaddeus S. Brink, Dwight E. Nelson
  • Patent number: 11253314
    Abstract: The disclosure describes devices, systems, and techniques for identifying and treating bladder dysfunction. In one example, a method includes identifying one or more focal points at respective locations of bladder tissue of a bladder of a patient, the one or more focal points initiating coordinated contractions of a detrusor muscle. The method may also, or alternatively, include ablating, for each of the one or more focal points, a respective portion of the bladder tissue at the respective location of the focal point. Ablation of these targeted portions of the bladder tissue may reduce the coordinated contractions of the detrusor muscle and alleviate overactive bladder symptoms.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: February 22, 2022
    Assignee: Medtronic, Inc.
    Inventors: Thaddeus S. Brink, Blake A. Hedstrom, Dwight E. Nelson, Ashish Singal, Xin Su