Patents by Inventor Gilwoo Choi

Gilwoo Choi 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: 20160310018
    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: Application
    Filed: July 1, 2016
    Publication date: October 27, 2016
    Applicant: HeartFlow, Inc.
    Inventors: Timothy FONTE, Gilwoo CHOI, Leo GRADY, Michael SINGER
  • Publication number: 20160310019
    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: Application
    Filed: July 1, 2016
    Publication date: October 27, 2016
    Applicant: HeartFlow, Inc.
    Inventors: Timothy FONTE, Gilwoo CHOI, Leo GRADY, Michael SINGER
  • Publication number: 20160310096
    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: Application
    Filed: July 1, 2016
    Publication date: October 27, 2016
    Applicant: HeartFlow, Inc.
    Inventors: Timothy FONTE, Gilwoo CHOI, Leo GRADY, Michael SINGER
  • Publication number: 20160306943
    Abstract: Computer-implemented methods are disclosed for assessing the effect of musculoskeletal activities on disease and/or clinical events, the method comprising: receiving a patient-specific vascular and musculoskeletal model of a patient's anatomy, including at least one vessel of the patient; receiving at least one characteristic of the patient's musculoskeletal activity; generating or updating a computational anatomic vascular and musculoskeletal model of the patient's anatomy based on the received at least one characteristic of musculoskeletal activity; performing at least one of a computational fluid dynamics analysis or a structural mechanics simulation on the computational anatomic vascular and musculoskeletal model; and estimating at least one of the patient's risk of disease or clinical events based on the performed computational fluid dynamics analysis and/or structural mechanics simulation. Systems and computer readable media for executing these methods are also disclosed.
    Type: Application
    Filed: December 9, 2015
    Publication date: October 20, 2016
    Inventors: Gilwoo CHOI, Charles A. TAYLOR, Leo J. GRADY
  • Publication number: 20160296288
    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: June 17, 2016
    Publication date: October 13, 2016
    Inventors: Sethuraman SANKARAN, Charles A. TAYLOR, Gilwoo CHOI, Michiel SCHAAP, Christopher K. ZARINS, Leo GRADY
  • Publication number: 20160300350
    Abstract: Systems and methods are disclosed for predicting the location, onset, or change of coronary lesions from factors like vessel geometry, physiology, and hemodynamics. One method includes: acquiring, for each of a plurality of individuals, a geometric model, blood flow characteristics, and plaque information for part of the individual's vascular system; training a machine learning algorithm based on the geometric models and blood flow characteristics for each of the plurality of individuals, and features predictive of the presence of plaque within the geometric models and blood flow characteristics of the plurality of individuals; acquiring, for a patient, a geometric model and blood flow characteristics for part of the patient's vascular system; and executing the machine learning algorithm on the patient's geometric model and blood flow characteristics to determine, based on the predictive features, plaque information of the patient for at least one point in the patient's geometric model.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 13, 2016
    Inventors: Gilwoo CHOI, Leo GRADY, Charles A. TAYLOR
  • Publication number: 20160287093
    Abstract: Systems and methods are disclosed for using patient-specific anatomical models and physiological parameters to predict viability of a target tissue or vessel to guide diagnosis or treatment of cardiovascular disease. One method includes: receiving a patient-specific vessel model and a patient-specific tissue model of a patient anatomy; receiving one or more patient-specific physiological parameters (e.g. blood flow, anatomical characteristics, etc.) for one or more physiological states; estimating a viability characteristic of the patient-specific tissue or vessel model (e.g., via a trained machine learning algorithm), using the patient-specific physiological parameters; and outputting the viability characteristic to an electronic storage medium or display.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 6, 2016
    Inventors: Gilwoo CHOI, Michiel Schaap, Charles A. Taylor, Leo Grady
  • Publication number: 20160292383
    Abstract: Embodiments include computer-implemented methods and systems for reporting the presence of myocardial bridging in a patient, the method comprising detecting, within a patient-specific model representing at least a portion of the patient's heart based on patient-specific anatomical image data regarding a geometry of the patient's heart, a segment of an epicardial coronary artery at least partially surrounded by the patient's myocardium to determine the presence of myocardial bridging; and computing, using at least one computer processor, at least one physical feature of the myocardial bridging to identify the severity of the myocardial bridging.
    Type: Application
    Filed: June 14, 2016
    Publication date: October 6, 2016
    Inventors: Gilwoo CHOI, Charles A. TAYLOR
  • Publication number: 20160292384
    Abstract: Embodiments include computer-implemented methods and systems for reporting the presence of myocardial bridging in a patient, the method comprising detecting, within a patient-specific model representing at least a portion of the patient's heart based on patient-specific anatomical image data regarding a geometry of the patient's heart, a segment of an epicardial coronary artery at least partially surrounded by the patient's myocardium to determine the presence of myocardial bridging; and computing, using at least one computer processor, at least one physical feature of the myocardial bridging to identify the severity of the myocardial bridging.
    Type: Application
    Filed: June 14, 2016
    Publication date: October 6, 2016
    Inventors: Gilwoo CHOI, Charles A. TAYLOR
  • Publication number: 20160283688
    Abstract: Systems and methods are disclosed for modeling changes in patient-specific blood vessel geometry and boundary conditions resulting from changes in blood flow or pressure. One method includes determining, using a processor, a first anatomic model of one or more blood vessels of a patient; determining a biomechanical model of the one or more blood vessels based on at least the first anatomic model; determining one or more parameters associated with a physiological state of the patient; and creating a second anatomic model based on the biomechanical model and the one or more parameters associated with the physiological state.
    Type: Application
    Filed: June 3, 2016
    Publication date: September 29, 2016
    Inventors: Charles A. TAYLOR, Hyun Jin KIM, Sethuraman SANKARAN, Michiel SCHAAP, David EBERLE, Gilwoo CHOI, Leo GRADY
  • Publication number: 20160224758
    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: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Leo GRADY, Gilwoo CHOI, Charles A. TAYLOR, Christopher K. ZARINS
  • Publication number: 20160224744
    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: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Leo GRADY, Gilwoo CHOI, Charles A. TAYLOR, Christopher K. ZARINS
  • Publication number: 20160224743
    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: April 8, 2016
    Publication date: August 4, 2016
    Inventors: Leo GRADY, Gilwoo CHOI, Charles A. TAYLOR, Christopher K. ZARINS
  • Publication number: 20160203289
    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: January 13, 2016
    Publication date: July 14, 2016
    Inventors: Leo J. GRADY, Gilwoo CHOI, Charles A. TAYLOR, Christopher K. ZARINS
  • Patent number: 9390224
    Abstract: Embodiments include computer-implemented methods and systems for reporting the presence of myocardial bridging in a patient, the method comprising detecting, within a patient-specific model representing at least a portion of the patient's heart based on patient-specific anatomical image data regarding a geometry of the patient's heart, a segment of an epicardial coronary artery at least partially surrounded by the patient's myocardium to determine the presence of myocardial bridging; and computing, using at least one computer processor, at least one physical feature of the myocardial bridging to identify the severity of the myocardial bridging.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 12, 2016
    Assignee: HeartFlow, Inc.
    Inventors: Gilwoo Choi, Charles A. Taylor
  • Patent number: 9390232
    Abstract: Systems and methods are disclosed for modeling changes in patient-specific blood vessel geometry and boundary conditions resulting from changes in blood flow or pressure. One method includes determining, using a processor, a first anatomic model of one or more blood vessels of a patient; determining a biomechanical model of the one or more blood vessels based on at least the first anatomic model; determining one or more parameters associated with a physiological state of the patient; and creating a second anatomic model based on the biomechanical model and the one or more parameters associated with the physiological state.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: July 12, 2016
    Assignee: HeartFlow, Inc.
    Inventors: Charles A. Taylor, Hyun Jin Kim, Sethuraman Sankaran, Michiel Schaap, David Eberle, Gilwoo Choi, Leo Grady
  • Publication number: 20160085936
    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: December 8, 2015
    Publication date: March 24, 2016
    Inventors: Sethuraman SANKARAN, Charles A. TAYLOR, Gilwoo CHOI, Michiel SCHAAP, Christopher K. ZARINS, Leo J. GRADY
  • Patent number: 9280639
    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: Grant
    Filed: February 12, 2015
    Date of Patent: March 8, 2016
    Assignee: HeartFlow, Inc.
    Inventors: Sethuraman Sankaran, Charles A. Taylor, Gilwoo Choi, Michiel Schaap, Christopher K. Zarins, Leo J. Grady
  • Publication number: 20160063175
    Abstract: Embodiments include computer-implemented methods and systems for reporting the presence of myocardial bridging in a patient, the method comprising detecting, within a patient-specific model representing at least a portion of the patient's heart based on patient-specific anatomical image data regarding a geometry of the patient's heart, a segment of an epicardial coronary artery at least partially surrounded by the patient's myocardium to determine the presence of myocardial bridging; and computing, using at least one computer processor, at least one physical feature of the myocardial bridging to identify the severity of the myocardial bridging.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 3, 2016
    Inventors: Gilwoo CHOI, Charles A. TAYLOR
  • Patent number: 9268902
    Abstract: Embodiments include a system for determining cardiovascular information for a patient. The system may include at least one computer system configured to receive patient-specific data regarding a geometry of the patient's heart, and create a three-dimensional model representing at least a portion of the patient's heart based on the patient-specific data. The at least one computer system may be further configured to create a physics-based model relating to a blood flow characteristic of the patient's heart and determine a fractional flow reserve within the patient's heart based on the three-dimensional model and the physics-based model.
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: February 23, 2016
    Assignee: HeartFlow, Inc.
    Inventors: Charles A. Taylor, Gilwoo Choi