Patents by Inventor Leo J. Grady

Leo J. Grady 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: 20240047045
    Abstract: Systems and methods are disclosed for identifying image acquisition parameters. One method includes receiving a patient data set including one or more reconstructions, one or more preliminary scans or patient information, and one or more acquisition parameters; computing one or more patient characteristics based on one or both of one or more preliminary scans and the patient information; computing one or more image characteristics associated with the one or more reconstructions; grouping the patient data set with one or more other patient data sets using the one or more patient characteristics; and identifying one or more image acquisition parameters suitable for the patient data set using the one or more image characteristics, the grouping of the patient data set with one or more other patient data sets, or a combination thereof.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Vivek Naresh BHATIA, Leo J. GRADY, Souma SENGUPTA, Timothy A. FONTE
  • Publication number: 20240013388
    Abstract: Systems and methods are disclosed for assessing the quality of medical images of at least a portion of a patient's anatomy, using a computer system. One method includes receiving one or more images of at least a portion of the patient's anatomy; determining, using a processor of the computer system, one or more image properties of the received images; performing, using a processor of the computer system, anatomic localization or modeling of at least a portion of the patient's anatomy based on the received images; obtaining an identification of one or more image characteristics associated with an anatomic feature of the patient's anatomy based on the anatomic localization or modeling; and calculating, using a processor of the computer system, an image quality score based on the one or more image properties and the one or more image characteristics.
    Type: Application
    Filed: September 22, 2023
    Publication date: January 11, 2024
    Inventors: Timothy A. FONTE, Leo J. GRADY, Zhongle WU, Michiel SCHAAP, Stanley C. HUNLEY, Souma SENGUPTA, Sophie KHEM
  • Patent number: 11862342
    Abstract: Systems and methods are disclosed for determining a patient risk assessment or treatment plan based on emboli dislodgement and destination. One method includes receiving a patient-specific anatomic model generated from patient-specific imaging of at least a portion of a patient's vasculature; determining or receiving a location of interest in the patient-specific anatomic model of the patient's vasculature; using a computing processor for calculating blood flow through the patient-specific anatomic model to determine blood flow characteristics through at least the portion of the patient's vasculature of the patient-specific anatomic model downstream from the location of interest; and using a computing processor for particle tracking through the simulated blood flow to determine a destination probability of an embolus originating from the location of interest in the patient-specific anatomic model, based on the determined blood flow characteristics.
    Type: Grant
    Filed: March 16, 2023
    Date of Patent: January 2, 2024
    Assignee: HeartFlow, Inc.
    Inventors: Leo J. Grady, Gilwoo Choi, Charles A. Taylor, Christopher K. Zarins
  • Patent number: 11837353
    Abstract: Systems and methods are disclosed for identifying image acquisition parameters. One method includes receiving a patient data set including one or more reconstructions, one or more preliminary scans or patient information, and one or more acquisition parameters; computing one or more patient characteristics based on one or both of one or more preliminary scans and the patient information; computing one or more image characteristics associated with the one or more reconstructions; grouping the patient data set with one or more other patient data sets using the one or more patient characteristics; and identifying one or more image acquisition parameters suitable for the patient data set using the one or more image characteristics, the grouping of the patient data set with one or more other patient data sets, or a combination thereof.
    Type: Grant
    Filed: January 14, 2022
    Date of Patent: December 5, 2023
    Assignee: HeartFlow, Inc.
    Inventors: Vivek Naresh Bhatia, Leo J. Grady, Souma Sengupta, Timothy A. Fonte
  • Patent number: 11803965
    Abstract: Systems and methods are disclosed for assessing the quality of medical images of at least a portion of a patient's anatomy, using a computer system. One method includes receiving one or more images of at least a portion of the patient's anatomy; determining, using a processor of the computer system, one or more image properties of the received images; performing, using a processor of the computer system, anatomic localization or modeling of at least a portion of the patient's anatomy based on the received images; obtaining an identification of one or more image characteristics associated with an anatomic feature of the patient's anatomy based on the anatomic localization or modeling; and calculating, using a processor of the computer system, an image quality score based on the one or more image properties and the one or more image characteristics.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: October 31, 2023
    Assignee: HeartFlow, Inc.
    Inventors: Timothy A. Fonte, Leo J. Grady, Zhongle Wu, Michiel Schaap, Stanley C. Hunley, Souma Sengupta, Sophie Khem
  • Publication number: 20230233261
    Abstract: Systems and methods are disclosed for creating an interactive tool for determining and displaying a functional relationship between a vascular network and an associated perfused tissue. One method includes receiving a patient-specific vascular model of a patient’s anatomy, including at least one vessel of the patient; receiving a patient-specific tissue model, including a tissue region associated with the at least one vessel of the patient; receiving a selected area of the vascular model or a selected area of the tissue model; and generating a display of a region of the tissue model corresponding to the selected area of the vascular model or a display of a portion of the vascular model corresponding to the selected area of the tissue model, respectively.
    Type: Application
    Filed: April 3, 2023
    Publication date: July 27, 2023
    Inventors: Clara JAQUET, Michiel SCHAAP, Ying BAI, Leo J. GRADY, Charles A. TAYLOR
  • Publication number: 20230223148
    Abstract: Systems and methods are disclosed for determining a patient risk assessment or treatment plan based on emboli dislodgement and destination. One method includes receiving a patient-specific anatomic model generated from patient-specific imaging of at least a portion of a patient's vasculature; determining or receiving a location of interest in the patient-specific anatomic model of the patient's vasculature; using a computing processor for calculating blood flow through the patient-specific anatomic model to determine blood flow characteristics through at least the portion of the patient's vasculature of the patient-specific anatomic model downstream from the location of interest; and using a computing processor for particle tracking through the simulated blood flow to determine a destination probability of an embolus originating from the location of interest in the patient-specific anatomic model, based on the determined blood flow characteristics.
    Type: Application
    Filed: March 16, 2023
    Publication date: July 13, 2023
    Inventors: Leo J. GRADY, Gilwoo CHOI, Charles A. TAYLOR, Christopher K. ZARINS
  • Publication number: 20230197286
    Abstract: Systems and methods are disclosed for assessing tissue function based on vascular disease. One method includes receiving a patient-specific anatomic model generated from patient-specific imaging of at least a portion of a patient's tissue; receiving a patient-specific vascular model generated from patient-specific imaging of at least a portion of a patient's vasculature; receiving an estimate of blood supplied to a portion of the patient-specific anatomic model; and determining a characteristic of the function of the patient's tissue using the estimate of blood supplied to the portion of the patient-specific anatomic model.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 22, 2023
    Inventors: Leo J. GRADY, Charles A. TAYLOR
  • Patent number: 11540931
    Abstract: Embodiments include methods of identifying a personalized cardiovascular device based on patient-specific geometrical information, the method comprising acquiring a geometric model of at least a portion of a patient's vascular system; obtaining one or more geometric quantities of one or more blood vessels of the geometric model of the patient's vascular system; determining the presence or absence of a pathology characteristic at a location in the geometric model of the patient's vascular system; generating an objective function defined by a plurality of device variables and a plurality of hemodynamic and solid mechanics characteristics; and optimizing the objective function using computational fluid dynamics and structural mechanics analysis to identify a plurality of device variables that result in desired hemodynamic and solid mechanics characteristics.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: January 3, 2023
    Assignee: HeartFlow, Inc.
    Inventors: Leo J. Grady, Charles A. Taylor, Gilwoo Choi, Campbell Rogers
  • Publication number: 20220277446
    Abstract: Systems and methods are disclosed for assessing the quality of medical images of at least a portion of a patient's anatomy, using a computer system. One method includes receiving one or more images of at least a portion of the patient's anatomy; determining, using a processor of the computer system, one or more image properties of the received images; performing, using a processor of the computer system, anatomic localization or modeling of at least a portion of the patient's anatomy based on the received images; obtaining an identification of one or more image characteristics associated with an anatomic feature of the patient's anatomy based on the anatomic localization or modeling; and calculating, using a processor of the computer system, an image quality score based on the one or more image properties and the one or more image characteristics.
    Type: Application
    Filed: May 9, 2022
    Publication date: September 1, 2022
    Inventors: Timothy A. FONTE, Leo J. GRADY, Zhongle WU, Michiel SCHAAP, Stanley C. HUNLEY, Souma SENGUPTA, Sophie KHEM
  • Patent number: 11399729
    Abstract: Systems and methods are disclosed for determining individual-specific blood flow characteristics. One method includes acquiring, for each of a plurality of individuals, individual-specific anatomic data and blood flow characteristics of at least part of the individual's vascular system; executing a machine learning algorithm on the individual-specific anatomic data and blood flow characteristics for each of the plurality of individuals; relating, based on the executed machine learning algorithm, each individual's individual-specific anatomic data to functional estimates of blood flow characteristics; acquiring, for an individual and individual-specific anatomic data of at least part of the individual's vascular system; and for at least one point in the individual's individual-specific anatomic data, determining a blood flow characteristic of the individual, using relations from the step of relating individual-specific anatomic data to functional estimates of blood flow characteristics.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: August 2, 2022
    Assignee: HeartFlow, Inc.
    Inventors: Timothy Fonte, Gilwoo Choi, Leo J. Grady, Michael Singer
  • Publication number: 20220211439
    Abstract: Systems and methods are disclosed for evaluating a patient with vascular disease. One method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of a location of disease in the patient's vasculature based on the received patient-specific data; identifying one or more changes in geometry of the anatomic model based on a modeled progression or regression of disease at the location; calculating one or more values of a blood flow characteristic within the patient's vasculature using a computational model based on the identified one or more changes in geometry of the anatomic model; and generating an electronic graphical display of a relationship between the one or more values of the calculated blood flow characteristic and the identified one or more changes in geometry of the anatomic model.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Inventors: Sethuraman SANKARAN, Charles A. TAYLOR, Gilwoo CHOI, Michiel SCHAAP, Christopher K. ZARINS, Leo J. GRADY
  • Publication number: 20220139529
    Abstract: Systems and methods are disclosed for identifying image acquisition parameters. One method includes receiving a patient data set including one or more reconstructions, one or more preliminary scans or patient information, and one or more acquisition parameters; computing one or more patient characteristics based on one or both of one or more preliminary scans and the patient information; computing one or more image characteristics associated with the one or more reconstructions; grouping the patient data set with one or more other patient data sets using the one or more patient characteristics; and identifying one or more image acquisition parameters suitable for the patient data set using the one or more image characteristics, the grouping of the patient data set with one or more other patient data sets, or a combination thereof.
    Type: Application
    Filed: January 14, 2022
    Publication date: May 5, 2022
    Inventors: Vivek Naresh BHATIA, Leo J. GRADY, Souma SENGUPTA, Timothy A. FONTE
  • Publication number: 20210358634
    Abstract: Embodiments include systems and methods for determining cardiovascular information for a patient. A method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of the patient's vasculature based on the patient-specific data; and creating a computational model of a blood flow characteristic based on the anatomic model.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: Sethuraman SANKARAN, Leo J. GRADY, Charles A. TAYLOR
  • Publication number: 20210358635
    Abstract: Embodiments include systems and methods for determining cardiovascular information for a patient. A method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of the patient's vasculature based on the patient-specific data; and creating a computational model of a blood flow characteristic based on the anatomic model.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: Sethuraman Sankaran, Leo J. Grady, Charles A. Taylor
  • Publication number: 20210335497
    Abstract: Embodiments include systems and methods for determining cardiovascular information for a patient. A method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of the patient's vasculature based on the patient-specific data; and creating a computational model of a blood flow characteristic based on the anatomic model.
    Type: Application
    Filed: July 6, 2021
    Publication date: October 28, 2021
    Inventors: Sethuraman Sankaran, Leo J. Grady, Charles A. Taylor
  • Patent number: 11087884
    Abstract: Embodiments include systems and methods for determining cardiovascular information for a patient. A method includes receiving patient-specific data regarding a geometry of the patient's vasculature; creating an anatomic model representing at least a portion of the patient's vasculature based on the patient-specific data; and creating a computational model of a blood flow characteristic based on the anatomic model.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: August 10, 2021
    Assignee: HeartFlow, Inc.
    Inventors: Sethuraman Sankaran, Leo J. Grady, Charles A. Taylor
  • Publication number: 20210241920
    Abstract: Systems and methods are disclosed for simulation of occluded arteries and/or optimization of occlusion-based treatments. One method includes obtaining a patient-specific anatomic model of a patient's vasculature; obtaining an initial computational model of blood flow through the patient's vasculature based on the patient-specific anatomic model; obtaining a post-treatment computational model by modifying portions of the initial computational model based on an occlusion-based treatment; generating a pre-treatment blood flow characteristic using the initial computational model or computing a post-treatment blood flow using the post-treatment computational model; and outputting a representation of the pre-treatment blood flow characteristic or the post-treatment blood flow characteristic.
    Type: Application
    Filed: April 22, 2021
    Publication date: August 5, 2021
    Inventors: Sethuraman SANKARAN, Leo J. GRADY, Charles A. TAYLOR, Christopher K. ZARINS
  • Publication number: 20210228094
    Abstract: Systems and methods are disclosed for diagnosing and treatment planning for vascular steal syndromes and retrograde flow. One method includes receiving a reference blood flow direction at a location in a reference vasculature; determining a patient-related blood flow direction at a location in a patient's vasculature corresponding to the location in the reference vasculature; determining a difference in direction, between the reference blood flow direction of the reference vasculature and the patient-related blood flow direction of the patient's vasculature; and generating a representation of the location in the patient's vasculature associated with the difference in direction between the reference blood flow direction and the patient-related blood flow direction, or generating a treatment recommendation for the patient's vasculature based on the difference in direction between the reference blood flow direction and the patient-related blood flow direction.
    Type: Application
    Filed: March 22, 2021
    Publication date: July 29, 2021
    Inventors: Leo J. Grady, Charles A. Taylor
  • Patent number: 11017904
    Abstract: Systems and methods are disclosed for simulation of occluded arteries and/or optimization of occlusion-based treatments. One method includes obtaining a patient-specific anatomic model of a patient's vasculature; obtaining an initial computational model of blood flow through the patient's vasculature based on the patient-specific anatomic model; obtaining a post-treatment computational model by modifying portions of the initial computational model based on an occlusion-based treatment; generating a pre-treatment blood flow characteristic using the initial computational model or computing a post-treatment blood flow using the post-treatment computational model; and outputting a representation of the pre-treatment blood flow characteristic or the post-treatment blood flow characteristic.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: May 25, 2021
    Assignee: HeartFlow, Inc.
    Inventors: Sethuraman Sankaran, Leo J. Grady, Charles A. Taylor, Christopher K. Zarins