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).

  • Publication number: 20190142372
    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: January 14, 2019
    Publication date: May 16, 2019
    Inventors: Caitlin Q. Donhowe, Prashant Chopra, Dorin Panescu, Carol Reiley, Tao Zhao
  • Patent number: 10278615
    Abstract: A method comprises generating a model of an anatomic region and receiving a true image from an endoscopic image capture probe positioned within the anatomic region. The method further comprises identifying a true fiducial region in the true image and identifying a plurality of virtual tissue structures in the model of the anatomic region. The method further comprises matching one of the plurality of the virtual tissue structures with the true fiducial region and determining a probe pose of the endoscopic image capture probe from the matched one of the plurality of virtual tissue structures.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 7, 2019
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Tao Zhao, Prashant Chopra
  • Publication number: 20190008413
    Abstract: A medical system comprises a surgical device including a tracking system. The medical system also includes a memory storing anatomical data describing a patient anatomy. The medical system also includes a processor configured for generating a first model, that includes a set of anatomical passageways including a first proximal branch connected to a first distal branch, from the stored anatomical data describing the patient anatomy. The processor is also configured for determining, by the tracking system, a shape of an elongate flexible body of the surgical device positioned within the first proximal branch and the first distal branch of the set of anatomical passageways. The processor is also configured for computing, based on the determined shape of the elongate flexible body, a total set of forces acting on the set of anatomical passageways in response to the surgical device positioned within the first proximal branch and the first distal branch.
    Type: Application
    Filed: August 28, 2018
    Publication date: January 10, 2019
    Inventors: Vincent Duindam, Prashant Chopra, Tao Zhao
  • Patent number: 10173078
    Abstract: Methods of two-dimensional x-ray imaging of a target volume and tracking a target structure contained within a target volume are described.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: January 8, 2019
    Assignee: ACCURAY INCORPORATED
    Inventors: Calvin R. Maurer, Jr., Mu Young Lee, Gopinath Kuduvalli, Petr Jordan, Prashant Chopra
  • Patent number: 10154800
    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: Grant
    Filed: May 13, 2013
    Date of Patent: December 18, 2018
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Vincent Duindam, Prashant Chopra
  • Publication number: 20180325419
    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: Application
    Filed: July 2, 2018
    Publication date: November 15, 2018
    Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Tao Zhao, Prashant Chopra, Vincent Duindam, Dorin Panescu, Lei Fan
  • Patent number: 10085671
    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: May 13, 2013
    Date of Patent: October 2, 2018
    Assignee: INTUITIVE SURGICAL OPERATIONS, INC.
    Inventors: Vincent Duindam, Prashant Chopra, Tao Zhao
  • Patent number: 10039473
    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.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: August 7, 2018
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Tao Zhao, Prashant Chopra, Vincent Duindam, Dorin Panescu, Lei Fan
  • Patent number: 9943707
    Abstract: Tracking a target structure contained within a target volume using an x-ray tomosynthesis imaging detector is described.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 17, 2018
    Assignee: ACCURAY INCORPORATED
    Inventors: Calvin R. Maurer, Jr., Mu Young Lee, Gopinath Kuduvalli, Petr Jordan, Prashant Chopra
  • Publication number: 20180092698
    Abstract: Apparatus, system and methods are described for providing a health care provider (HCP) with an enhanced reality perceptual experience for surgical, interventional, therapeutic, and diagnostic use. The apparatus, system and methods make use of a combination of sensors and audio visual data to cross-correlate information, and present the correlated information to the HCP on to one or more platforms for use during a diagnostic, interventional, therapeutic, or surgical procedure.
    Type: Application
    Filed: April 20, 2017
    Publication date: April 5, 2018
    Inventors: Prashant Chopra, Salil S. Joshi
  • Patent number: 9918659
    Abstract: A medical tracking system comprises a fiducial apparatus that includes a sensor docking feature configured to mate with a mating portion of a sensor device. The sensor docking feature retains the mating portion in a known configuration. The fiducial apparatus also includes at least one imageable fiducial marker and a surface configured for attachment to an anatomy of a patient.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 20, 2018
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Prashant Chopra, Vincent Duindam, Tao Zhao, John A Cole
  • Patent number: 9895555
    Abstract: An IGRT system and methods are described embodiments of which perform selectively integration of x-ray source arrays, dual-energy imaging, stereoscopic imaging, static and source collimation, or inverse geometry tomosynthesis imaging to acquire or track a target during radiation treatment.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: February 20, 2018
    Assignee: Accuray Incorporated
    Inventors: Calvin R. Maurer, Jr., Mu Young Lee, Gopinath Kuduvalli, Petr Jordan, Prashant Chopra
  • Publication number: 20180015305
    Abstract: Methods of two-dimensional x-ray imaging of a target volume and tracking a target structure contained within a target volume are described.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Inventors: Calvin R. Maurer, JR., Mu Young Lee, Gopinath Kuduvalli, Petr Jordan, Prashant Chopra
  • Publication number: 20180015306
    Abstract: Tracking a target structure contained within a target volume using an x-ray tomosynthesis imaging detector is described.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Inventors: Calvin R. Maurer, JR., Mu Young Lee, Gopinath Kuduvalli, Petr Jordan, Prashant Chopra
  • Publication number: 20170189118
    Abstract: A method of modeling anatomic deformation comprises receiving a reference three dimensional model of a branched anatomical formation in a reference state. The method further comprises applying a three dimensional deformation field to the reference three dimensional model to create a deformed three dimensional model of a deformed state of the branched anatomical formation and dynamically displaying an image of the deformed three dimensional model of the deformed state of the branched anatomical formation.
    Type: Application
    Filed: February 3, 2015
    Publication date: July 6, 2017
    Inventors: Prashant Chopra, Vincent Duindam, Tao Zhao, Lei Xu
  • Publication number: 20170151026
    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: February 9, 2017
    Publication date: June 1, 2017
    Inventors: Dorin Panescu, Jonathan Michael Sorger, Prashant Chopra, Tao Zhao
  • Patent number: 9592095
    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: Grant
    Filed: May 15, 2014
    Date of Patent: March 14, 2017
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Dorin Panescu, Jonathan Michael Sorger, Prashant Chopra, Tao Zhao
  • Publication number: 20160339269
    Abstract: A method of image-guided radiation treatment is described. The method may include acquiring digitally reconstructed radiographs (DRRs) of a patient and generating a first set of image data of part or all of the patient using imaging radiation at a first energy level and a second set of image data of part or all of the patient using imaging radiation at a second energy level, wherein the first energy level is an energy level selected within the range of 50-100 kV and the second energy level is an energy level selected within the range of 100-150 kV. The method ma also include processing the first and second sets of image data to generate an enhanced image, wherein the enhanced image comprises a combination of the first and second sets of image data, and wherein part or all of the image data comprises the target.
    Type: Application
    Filed: July 12, 2016
    Publication date: November 24, 2016
    Inventors: Petr Jordan, Andriy Myronenko, Jay B. West, Calvin R. Maurer, Prashant Chopra, Anuj K. Purwar, Chris Janko
  • Publication number: 20160302869
    Abstract: Described herein is a method of determining the accurate positioning of a device within a patient anatomy. In one aspect, the method comprises generating a first model of at least one anatomical passageway from anatomical data describing the patient anatomy, determining a shape of a device positioned within branched anatomical passageways of the patient anatomy, the device including a plurality of sections, each section of the plurality of sections having a distinct physical property, computing a set of deformation forces for each section of the plurality of sections of the device, and generating a second model of the device positioned within the plurality of branched anatomical passageways by adjusting the first model based upon the determined shape of the device and the set of deformation forces for each section of the plurality of sections of the device.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 20, 2016
    Inventor: Prashant Chopra
  • Patent number: 9415240
    Abstract: Apparatus for generating multi-energy x-ray images and systems and methods for processing and using multi-energy x-ray images are provided for treating a target, e.g., a tumor, for image-guided radiation therapy. An image-guided radiation therapy system is provided including a treatment delivery system, a multi-energy imaging system, and a system processor. The treatment delivery system includes a radiation source configured to generate treatment radiation beams. The multi-energy imaging system is configured to generate a first set of image data of the patient using imaging radiation at a first energy level and a second set of image data of the patient using imaging radiation at a second energy level. The system processor is configured to process the first and second sets of image data to generate an enhanced image of the patient and to direct the treatment delivery system based on information obtained from the enhanced image.
    Type: Grant
    Filed: June 28, 2012
    Date of Patent: August 16, 2016
    Assignee: Accuray Incorporated
    Inventors: Petr Jordan, Andriy Myronenko, Jay B. West, Calvin R. Maurer, Jr., Prashant Chopra, Anuj K. Purwar, Christopher A. Janko