Patents by Inventor Mehran Armand

Mehran Armand 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: 11953061
    Abstract: A clutch system is provided. The clutch system includes an outer unit having a surface defining an aperture in the outer unit; an inner unit disposed in the aperture, wherein a shape of the inner unit matches a shape of the aperture; a low melting point material disposed in the aperture between the inner unit and the surface of the outer unit; a heating element; a temperature sensor; and a processor in electronic communication with the heating element and the temperature sensor. The processor is configured to control the heating element thereby changing the low melting point material between a soft state and a rigid state.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: April 9, 2024
    Assignee: The Johns Hopkins University
    Inventors: Alexander Cohen, Farshid Alambeigi, Mehran Armand
  • Patent number: 11931893
    Abstract: A continuum device/manipulator includes a first flexible tube, a low melting point (LMP) alloy disposed within the first flexible tube, and a temperature adjustment element that applies heat or cooling to change a phase of the LMP alloy. Changing the phase of the LMP alloy controls a flexibility of the first flexible tube.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: March 19, 2024
    Assignee: The Johns Hopkins University
    Inventors: Farshid Alambeigi, Reza Seifabadi, Mehran Armand
  • Patent number: 11793526
    Abstract: An embodiment in accordance with the present invention provides a continuum dexterous manipulator (CDM) with a specially designed flexible tool, to be used as a handheld or robotic steerable device for treatment of hard-tissue-related diseases. The CDM of the present invention works well in treatment of soft and sticky material (similar to a lesion) as well as milling the hard tissues (e.g. sclerotic liner of osteolytic lesions) and bone tumors. The present invention is also directed to flexible drilling tools as well as characterization and evaluation of integrating these tools with the CDM in curved-drilling of hard bone towards treatment of hard tissue related diseases (e.g. osteonecrosis or pelvic fracture). The present invention can also include use of various types of drill geometries, aspiration and irrigation, and endoscope view in curved-drilling and trajectory planning.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: October 24, 2023
    Assignee: The Johns Hopkins University
    Inventors: Farshid Alambeigi, Mehran Armand
  • Patent number: 11758100
    Abstract: A device may provide, to a camera and a projector of a portable projection mapping device, first instructions for calibrating the camera and the projector, and may receive, based on the first instructions, calibration parameters for the camera and the projector. The device may calculate a stereo calibration between the camera and the projector based on the calibration parameters, and may provide, to the camera, second instructions for recognizing a reference instrument associated with the portable projection mapping device. The device may receive, based on the second instructions, binocular images, and may determine additional parameters based on the binocular images. The device may determine recognition parameters for recognizing the reference instrument, based on the binocular images and the additional parameters.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: September 12, 2023
    Assignee: The Johns Hopkins University
    Inventors: Mehran Armand, Shuya Liu, Wei-Lun Huang, Austin Shin
  • Patent number: 11742071
    Abstract: A surgical guide assembly having an attachment device configured to be coupled to a bone. A cut location indicator is coupled to the attachment device. The cut location indicator identifies a location where the bone is to be cut. An arm is coupled to the attachment device, the cut location indicator, or both. A support structure is coupled to the arm. The support structure is configured to have a trackable feature coupled thereto.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: August 29, 2023
    Assignees: THE JOHNS HOPKINS UNIVERSITY, THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF DEFENCE, THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY
    Inventors: Gerald Grant, Peter Liacouras, Chad Gordon, Ryan Murphy, Mehran Armand
  • Patent number: 11576786
    Abstract: Provided is a method for forming an implant with an autonomous manufacturing device. The method includes accessing a first computer-readable reconstruction of a being's anatomy; accessing a second computer-readable reconstruction of an implant; accessing a third computer-readable reconstruction comprising the first computer-readable reconstruction superimposed with the second computer readable reconstruction; generating at least one computer-readable trace from a point cloud; and forming an implant with an autonomous manufacturing device, wherein the autonomous manufacturing device forms the implant into a shape defined by at least one dimension of the computer-readable trace.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: February 14, 2023
    Assignee: THE JOHNS HOPKINS UNIVERSITY
    Inventors: Farshid Alambeigi, Shahriar Sefati, Ryan Murphy, Mehran Armand, Chad R. Gordon, Shuya Liu
  • Publication number: 20220321851
    Abstract: A device may provide, to a camera and a projector of a portable projection mapping device, first instructions for calibrating the camera and the projector, and may receive, based on the first instructions, calibration parameters for the camera and the projector. The device may calculate a stereo calibration between the camera and the projector based on the calibration parameters, and may provide, to the camera, second instructions for recognizing a reference instrument associated with the portable projection mapping device. The device may receive, based on the second instructions, binocular images, and may determine additional parameters based on the binocular images. The device may determine recognition parameters for recognizing the reference instrument, based on the binocular images and the additional parameters.
    Type: Application
    Filed: September 9, 2020
    Publication date: October 6, 2022
    Applicant: The Johns Hopkins University
    Inventors: Mehran ARMAND, Shuya LIU, Wei-Lun HUANG, Austin SHIN
  • Publication number: 20220296193
    Abstract: A method of representing a relative change in position and/or orientation of a bone portion during a surgical procedure according to some embodiments of the invention includes receiving preoperative x-ray computed tomography (CT) images of a bone that will have a portion separated and moved during the surgical procedure. Multiple x-ray images are received, each a different view of the bone during the surgical procedure prior to separating and moving the portion, where the bone has a fiducial marker fixed relative to that portion and another fiducial marker fixed relative to a stationary portion of the bone. The fiducial markers each have at least three radio-opaque points and remain substantially fixed with respect to each other. The position of the radio-opaque points is determined relative to a three-dimensional representation of the bone from the preoperative CT images. After separating and moving the portion, a single x-ray image is received that includes both fiducial markers.
    Type: Application
    Filed: September 4, 2020
    Publication date: September 22, 2022
    Applicant: The Johns Hopkins Uniersity
    Inventors: Robert Grupp, Russell H. Taylore, Mehran Armand
  • Publication number: 20220257383
    Abstract: Provided is a surgical method.
    Type: Application
    Filed: October 27, 2021
    Publication date: August 18, 2022
    Inventors: Chad R. GORDON, Mehran ARMAND, Gerald T. GRANT, Peter LIACOURAS, Ryan MURPHY, Kevin WOLFE
  • Patent number: 11364629
    Abstract: A flexible manipulator apparatus includes an elongate flexible manipulator having a sensor, a user output device configured to provide sensory outputs to the user, and processing circuitry. The flexible manipulator may be movable to form a curve in the flexible manipulator. The processing circuitry may be configured to receive captured sensor data from the sensor during movement of the flexible manipulator, and determine a collision likelihood score based on application of the captured sensor data to a collision detection model used for position estimation. The collision detection model may be based on an empirical data training for the flexible manipulator that includes training sensor data from the sensor and training image data of positions of the flexible manipulator. The processing circuitry may be configured to control the user output device based on the collision likelihood score to provide a collision alert sensory output to the user.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: June 21, 2022
    Assignee: The Johns Hopkins University
    Inventors: Shahriar Sefati, Mehran Armand, Iulian Iordachita
  • Publication number: 20220178406
    Abstract: A clutch system is provided. The clutch system includes an outer unit having a surface defining an aperture in the outer unit; an inner unit disposed in the aperture, wherein a shape of the inner unit matches a shape of the aperture; a low melting point material disposed in the aperture between the inner unit and the surface of the outer unit; a heating element; a temperature sensor; and a processor in electronic communication with the heating element and the temperature sensor. The processor is configured to control the heating element thereby changing the low melting point material between a soft state and a rigid state.
    Type: Application
    Filed: April 13, 2020
    Publication date: June 9, 2022
    Inventors: Alexander COHEN, Farshid ALAMBEIGI, Mehran ARMAND
  • Patent number: 11328813
    Abstract: A method for computer-assisted planning of a transplant surgery is provided.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: May 10, 2022
    Assignees: THE JOHNS HOPKINS UNIVERSITY, THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF DEFENSE, THE UNITED STATES OF AMERICA, AS REPRESENTED BY THE SECRETARY OF THE NAVY
    Inventors: Chad Gordon, Mehran Armand, Ryan Murphy, Gerald Grant, Peter Liacouras, Kevin Wolfe, Ehsan Basafa
  • Publication number: 20220133263
    Abstract: An implantable ultrasonic transducer device for capturing radiographic and biometric data is provided. The implantable ultrasonic transducer device includes a transducer array configured to provide ultrasonic waves to a target area and to obtain reflected ultrasonic waves from the target area; a controller electrically coupled to the transducer array and configured to provide one or more control signals to the transducer array to control one or more modes of operation of the transducer array; and an antenna electrically coupled to the controller and configured to wireless transmit and receive data from an external device, wherein the transducer array, the controller, and the antenna are completely contained within a body cavity of a patient and an activation surface of the transducer array is positioned in physical contact with a portion of a treatment area of the patient with no air gap between the activation surface and the treatment area.
    Type: Application
    Filed: February 27, 2020
    Publication date: May 5, 2022
    Inventors: Chad R. GORDON, Micah BELZBERG, Netanel BEN-SHALOM, Amir MANBACHI, Mehran ARMAND
  • Patent number: 11232858
    Abstract: A computer-assisted surgical system can include a donor sub-system and a recipient sub-system. The donor sub-system includes a first reference unit having a first trackable element, a fragment reference unit having a second trackable element, and a first detector configured to provide at least one of a first signal corresponding to a detected location of one or more of the first trackable element and the second trackable element. The recipient sub-system includes a second reference unit having a third trackable element, and a second detector configured to provide at least one of a second signal corresponding to a detected location of at least the third trackable element.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 25, 2022
    Assignees: THE JOHNS HOPKINS UNIVERSITY, UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF DEFENSE
    Inventors: Chad Gordon, Mehran Armand, Ryan Murphy, Gerald Grant, Peter Liacouras, Kevin Wolfe
  • Publication number: 20210050096
    Abstract: A method for computer-assisted planning of a transplant surgery is provided.
    Type: Application
    Filed: October 14, 2020
    Publication date: February 18, 2021
    Inventors: Chad GORDON, Mehran ARMAND, Ryan MURPHY, Gerald GRANT, Peter LIACOURAS, Kevin WOLFE, Ehsan BASAFA
  • Publication number: 20210043304
    Abstract: A computer-assisted surgical system can include a donor sub-system and a recipient sub-system. The donor sub-system includes a first reference unit having a first trackable element, a fragment reference unit having a second trackable element, and a first detector configured to provide at least one of a first signal corresponding to a detected location of one or more of the first trackable element and the second trackable element. The recipient sub-system includes a second reference unit having a third trackable element, and a second detector configured to provide at least one of a second signal corresponding to a detected location of at least the third trackable element.
    Type: Application
    Filed: December 9, 2019
    Publication date: February 11, 2021
    Inventors: Chad GORDON, Mehran ARMAND, Ryan MURPHY, Gerald GRANT, Peter LIACOURAS, Kevin WOLFE
  • Patent number: 10842504
    Abstract: A method for computer-assisted planning of a transplant surgery is provided.
    Type: Grant
    Filed: September 5, 2019
    Date of Patent: November 24, 2020
    Assignees: The Johns Hopkins University, The United Dtates of America, as represented by the Secretary of the Navy, The United States of America, as represented by the Secretary of Defense
    Inventors: Chad Gordon, Mehran Armand, Ryan Murphy, Gerald Grant, Peter Liacouras, Kevin Wolfe, Ehsan Basafa
  • Publication number: 20200338723
    Abstract: A flexible manipulator apparatus includes an elongate flexible manipulator having a sensor, a user output device configured to provide sensory outputs to the user, and processing circuitry. The flexible manipulator may be movable to form a curve in the flexible manipulator. The processing circuitry may be configured to receive captured sensor data from the sensor during movement of the flexible manipulator, and determine a collision likelihood score based on application of the captured sensor data to a collision detection model used for position estimation. The collision detection model may be based on an empirical data training for the flexible manipulator that includes training sensor data from the sensor and training image data of positions of the flexible manipulator. The processing circuitry may be configured to control the user output device based on the collision likelihood score to provide a collision alert sensory output to the user.
    Type: Application
    Filed: February 26, 2020
    Publication date: October 29, 2020
    Inventors: Shahriar Sefati, Mehran Armand, Iulian Iordachita
  • Publication number: 20200337712
    Abstract: A surgical guide assembly having an attachment device configured to be coupled to a bone. A cut location indicator is coupled to the attachment device. The cut location indicator identifies a location where the bone is to be cut. An arm is coupled to the attachment device, the cut location indicator, or both. A support structure is coupled to the arm. The support structure is configured to have a trackable feature coupled thereto.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Inventors: Gerald GRANT, Peter LIACOURAS, Chad GORDON, Ryan MURPHY, Mehran ARMAND
  • Publication number: 20200276700
    Abstract: A continuum device/manipulator includes a first flexible tube, a low melting point (LMP) alloy disposed within the first flexible tube, and a temperature adjustment element that applies heat or cooling to change a phase of the LMP alloy. Changing the phase of the LMP alloy controls a flexibility of the first flexible tube.
    Type: Application
    Filed: May 12, 2020
    Publication date: September 3, 2020
    Inventors: Farshid Alambeigi, Reza Seifabadi, Mehran Armand