Patents by Inventor Prashant Chopra

Prashant Chopra 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: 11871898
    Abstract: A system for performing an interventional procedure includes an interventional instrument and a control system. The instrument includes a catheter and an interventional tool extendable from the catheter. The control system includes a processor and a memory comprising machine-readable instructions that cause the control system to: receive a model of an anatomic structure, the anatomic structure including a plurality of passageways; identify a target structure in the model; receive information about a maximum extension length the interventional tool can be extended relative to a distal tip of the catheter; based upon the received information about the maximum extension length, identify a planned deployment location for positioning the distal tip of the catheter to perform the interventional procedure on the target structure; determine a navigational path for the catheter to the target structure; and navigate the catheter to the identified planned deployment location via computer control or based on user input.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: January 16, 2024
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Caitlin Q. Donhowe, Prashant Chopra, Dorin Panescu, Carol Reiley, Tao Zhao
  • Publication number: 20230380716
    Abstract: A method and medical system for estimating the deformation of an anatomic structure that comprises generating a first model of at least one anatomical passageway from anatomical data describing a patient anatomy and determining a shape of a device positioned within the branched anatomical passageways. The method and medical system also comprise generating a second model of the plurality of branched anatomical passageways by adjusting the first model relative to the determined shape of the device.
    Type: Application
    Filed: May 2, 2023
    Publication date: November 30, 2023
    Inventors: Vincent Duindam, Prashant Chopra, Tao Zhao
  • Publication number: 20230372039
    Abstract: A medical robotic system and method of operating such comprises taking intraoperative external image data of a patient anatomy, and using that image data to generate a modeling adjustment for a control system of the medical robotic system (e.g., updating anatomic model and/or refining instrument registration), and/or adjust a procedure control aspect (e.g., regulating substance or therapy delivery, improving targeting, and/or tracking performance).
    Type: Application
    Filed: April 25, 2023
    Publication date: November 23, 2023
    Inventors: Dorin Panescu, Prashant Chopra, Jonathan M. Sorger, Tao Zhao
  • Patent number: 11786311
    Abstract: A system comprises one or more processors. The system further comprises memory having computer readable instructions stored thereon that, when executed by the one or more processors, cause the system to: obtain a reference tree of nodes and linkages for a reference three dimensional volumetric representation of a branched anatomical formation in a reference state; based on the reference tree, generate a reference three dimensional geometric model; based on measurements from a sensor system, detect deformation of the branched anatomical formation; based on the detected deformation, obtain a deformed tree of nodes and linkages; and generate a three dimensional deformation field that represents the detected deformation of the branched anatomical formation.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: October 17, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Prashant Chopra, Vincent Duindam, Lei Xu, Tao Zhao
  • Patent number: 11737682
    Abstract: A medical system includes an elongate instrument, a tracking system, and one or more processors configured to: receive image data of a set of connected passageways of a patient anatomy; model the set as a plurality of linked bounded-surface elements, each linked bounded-surface element defined in part by basepoints on an anatomical centerline, an element centerline spanning a shortest distance between the basepoints, and a radius; receive position information for a point on the instrument when disposed in the set; based on a comparison of the received position information to the plurality of linked bounded-surface elements, generate adjusted position information for the point; match one of the plurality of linked bounded-surface elements to the point to register the instrument to the image data; create an adjusted instrument image with the adjusted position information; and generate a composite image including the image data of the set and the adjusted instrument image.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: August 29, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC
    Inventors: Vincent Duindam, Prashant Chopra
  • Patent number: 11723606
    Abstract: A medical system includes an interventional instrument and a control system including one or more processors. The control system is configured to: receive a pose dataset for a point on the instrument retained in compliant movement with a cyclically moving patient anatomy for a plurality of time parameters during a cyclical anatomical motion; determine a set of pose differentials for the identified point with respect to a reference point at each time parameter; identify a periodic signal for the anatomical motion from the set of pose differentials; generate a command signal indicating an intended movement of the instrument relative to the patient anatomy; adjust the command signal to include an instruction for a cyclical instrument motion based on a phase of the anatomical motion; and cause the intended movement of the instrument relative to the patient anatomy based on the adjusted command signal to compensate for the anatomical motion.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: August 15, 2023
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Prashant Chopra, Vincent Duindam, Caitlin Q. Donhowe, Tao Zhao, Timothy D. Soper, Federico Barbagli
  • Publication number: 20230218193
    Abstract: A method performed by a computing system comprises receiving a first set of spatial information from an instrument positioned within an anatomic passageway. The first set of spatial information includes a plurality of spatial data records including position information for a distal end of the instrument at a plurality of time periods. The method further comprises ordering the plurality of spatial data records in a time-gathered order. The method further comprises evaluating a spatial relationship between first and second consecutive spatial data records of the plurality of spatial data records. The method further comprises filtering the first set of spatial information based upon the evaluated spatial relationship.
    Type: Application
    Filed: March 7, 2023
    Publication date: July 13, 2023
    Inventors: Tao Zhao, Prashant Chopra, Vincent Duindam, Dorin Panescu, Lei Fan
  • Publication number: 20230190386
    Abstract: One embodiment is directed to a minimally invasive system for treating a targeted tissue structure of a patient, comprising: an electromechanical support assembly having a proximal portion and a distal portion; a computing system operatively coupled to the electromechanical support assembly; and a HIFU treatment transducer array coupled to the distal portion of the electromechanical support assembly and operatively coupled to the computing system; wherein the computing system is configured to operate the electromechanical support assembly to control a position of the transducer assembly relative to the patient such that a treatment focus of the HIFU treatment transducer array is aligned to treat at least a portion of the targeted tissue structure of the patient, and to operate the HIFU treatment transducer array to controllably create a pulsatile wavefront of ultrasound radiation directed at the treatment focus, the pulsatile wavefront configured to produce one or more vapor bubbles within the targeted tissue
    Type: Application
    Filed: December 16, 2022
    Publication date: June 22, 2023
    Applicant: Petal Surgical, Inc.
    Inventor: Prashant CHOPRA
  • Patent number: 11678813
    Abstract: A method and medical system for estimating the deformation of an anatomic structure that comprises generating a first model of at least one anatomical passageway from anatomical data describing a patient anatomy and determining a shape of a device positioned within the branched anatomical passageways. The method and medical system also comprise generating a second model of the plurality of branched anatomical passageways by adjusting the first model relative to the determined shape of the device.
    Type: Grant
    Filed: April 26, 2021
    Date of Patent: June 20, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Vincent Duindam, Prashant Chopra, Tao Zhao
  • Patent number: 11666397
    Abstract: A medical system comprises a memory for receiving intraoperative external image data for at least a portion of a patient anatomy. The memory further receives intraoperative pose data for a medical instrument of the medical system. The medical system further comprises a processor configured for generating a first model of the patient anatomy. The processor is further configured for, based on the intraoperative external image data, intraoperatively generating an updated model of the patient anatomy that is different from the first model. The updated model includes an anatomical structure that is not present in the first model.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: June 6, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Dorin Panescu, Prashant Chopra, Jonathan M. Sorger, Tao Zhao
  • Patent number: 11633125
    Abstract: A method of tracking a medical instrument comprises receiving a model of an anatomical passageway formation and receiving a set of ordered sensor records for the medical instrument. The set of ordered sensor records provide a path history of the medical instrument. The method further comprises registering the medical instrument with the model of the anatomical passageway formation based on the path history. The method further includes displaying a virtual visualization image in a display system, the virtual visualization image being based on the registering of the medical instrument with the model of the anatomical passageway and depicting a rendered view of the model of the anatomical passageway from a perspective of the medical instrument within the model of the anatomical passageway.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: April 25, 2023
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Tao Zhao, Prashant Chopra, Vincent Duindam, Dorin Panescu, Lei Fan
  • Publication number: 20230046239
    Abstract: A medical system comprises a flexible device configured to be positioned at least partially within an anatomical passageway of a plurality of anatomical passageways within a patient anatomy. The medical system further comprises a memory device including computer executable instructions. The computer executable instructions are for performing operations comprising determining a deformation force exerted by a section of the flexible device. The operations further comprise registering a model of a candidate anatomical passageway of the plurality of anatomical passageways to a model of the flexible device based on: a shape of the flexible device; and the deformation force exerted by the section of the flexible device.
    Type: Application
    Filed: August 18, 2022
    Publication date: February 16, 2023
    Inventor: PRASHANT CHOPRA
  • Publication number: 20220378509
    Abstract: A system comprises one or more processors. The system further comprises memory having computer readable instructions stored thereon that, when executed by the one or more processors, cause the system to: obtain a reference tree of nodes and linkages for a reference three dimensional volumetric representation of a branched anatomical formation in a reference state; based on the reference tree, generate a reference three dimensional geometric model; based on measurements from a sensor system, detect deformation of the branched anatomical formation; based on the detected deformation, obtain a deformed tree of nodes and linkages; and generate a three dimensional deformation field that represents the detected deformation of the branched anatomical formation.
    Type: Application
    Filed: June 1, 2022
    Publication date: December 1, 2022
    Inventors: PRASHANT CHOPRA, Vincent Duindam, Lei Xu, Tao Zhao
  • Publication number: 20220346751
    Abstract: A method of planning a procedure to deploy an interventional instrument comprises receiving a model of an anatomic structure. The anatomic structure includes a plurality of passageways. The method further includes identifying a target structure in the model and receiving information about an operational capability of the interventional instrument within the plurality of passageways. The method further comprises identifying a planned deployment location for positioning a distal tip of the interventional instrument to perform the procedure on the target structure based upon the operational capability of the interventional instrument.
    Type: Application
    Filed: July 18, 2022
    Publication date: November 3, 2022
    Inventors: Caitlin Q. Donhowe, Prashant Chopra, Dorin Panescu, Carol Reiley, Tao Zhao
  • Patent number: 11452569
    Abstract: A medical system comprises a flexible device configured to be positioned at least partially within a patient anatomy. The patient anatomy includes a plurality of anatomical passageways. The medical system further comprises a memory device including computer executable instructions, the computer executable instructions for performing operations. The operations comprise determining a shape of the flexible device and determining a deformation force for a section of the flexible device. The operations further comprise registering a model of a candidate anatomical passageway of the plurality of anatomical passageways to a model of the flexible device based on the shape of the flexible device and the deformation force for the section of the flexible device. The operations further comprise generating a composite model of the patient anatomy based on the registering.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: September 27, 2022
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventor: Prashant Chopra
  • Patent number: 11445988
    Abstract: A method comprises determining a predicted pose of an elongate medical device within a patient anatomy. The method further comprises extracting a plurality of reference images from 3-D reference information, wherein the plurality of reference images includes a predicted reference image corresponding to the predicted pose of the elongate medical device. The method comprises capturing an x-ray image of the patient anatomy, wherein the captured x-ray image includes captured x-ray attenuation information. The method further comprises searching for a closest matching reference image between the captured x-ray image and one of the plurality of reference images. The method comprises determining an offset between the captured x-ray image and the closest matching reference image.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: September 20, 2022
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventor: Prashant Chopra
  • Patent number: 11426141
    Abstract: A system for performing an interventional procedure comprises an interventional instrument and a control system.
    Type: Grant
    Filed: January 24, 2020
    Date of Patent: August 30, 2022
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Caitlin Q. Donhowe, Prashant Chopra, Dorin Panescu, Carol Reiley, Tao Zhao
  • Patent number: 11375919
    Abstract: A medical system comprises a flexible instrument including a sensor adapted to provide tracking data for a point on the instrument. The medical system further comprises a memory storing images of a patient anatomy and a processor. The processor is configured to identify connected anatomical structures in the stored images of the patient anatomy, generate an anatomical centerline model from the identified connected anatomical structures, select a set of points disposed on a set of anatomical centerlines of the anatomical centerline model, generate a first plurality of cylindrical linkage elements representing the connected anatomical structures, receive the tracking data corresponding to the point on the instrument when the instrument is positioned within at least one of the connected anatomical structures, and match the point on the instrument to one of the first plurality of cylindrical linkage elements.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: July 5, 2022
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Vincent Duindam, Prashant Chopra
  • Patent number: 11376075
    Abstract: A processing system may comprise a central processing unit, a graphics processing unit, and a memory having computer readable instructions. The computer readable instructions may cause the processing system to obtain a reference tree of nodes and linkages based on a reference 3D volumetric representation of a branched anatomical formation in a reference state and obtain, by the central processing unit, a reference 3D geometric model based on the reference tree. The instructions may also cause the processing system to receive, by the graphics processing unit, a non-rigid transform for the nodes of the reference tree and determine, by the graphics processing unit, a rigid transform for the reference tree nodes based on the non-rigid transform. The instructions may also cause the processing system to transform each node into a deformed node, create a 3D deformation field, and create a deformed 3D geometric model of the branched anatomical formation.
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: July 5, 2022
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Prashant Chopra, Vincent Duindam, Lei Xu, Tao Zhao
  • Publication number: 20220151508
    Abstract: A method comprises identifying connected anatomical structures in stored images of a patient anatomy and generating a plurality of cylindrical linkage elements representing the connected anatomical structures. The method also comprises receiving tracking data corresponding to a point on an instrument positioned within at least one of the connected anatomical structures; and matching the point on the instrument to one of the plurality of cylindrical linkage elements.
    Type: Application
    Filed: February 1, 2022
    Publication date: May 19, 2022
    Inventors: Vincent Duindam, Prashant Chopra