Patents by Inventor Timothy Norman Showalter

Timothy Norman Showalter 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: 11617901
    Abstract: Apparatus or techniques can include an applicator that can include an expandable element and an ultrasonic transducer. The applicator can be inserted into a cavity of a tissue region of a patient and images of the cavity and the applicator can be generated based on signals obtained from the ultrasonic transducer. Dosing of radiation can be determined based on the images and a dose of radiation can be delivered to the tissue region by a radiation source located in the applicator.
    Type: Grant
    Filed: May 2, 2019
    Date of Patent: April 4, 2023
    Assignee: University of Virginia Patent Foundation
    Inventors: David R. Brenin, Timothy Norman Showalter, John A. Hossack
  • Publication number: 20220249366
    Abstract: The invention relates generally to methods of using a thiol-Michael addition hydrogel for providing intracavitary brachytherapy and/or displacing tissue and organs. The thiol-Michael addition hydrogel may be used as a packing material and an attenuation material for intracavitary brachytherapy applications. The invention also relates generally to a brachytherapy applicator, which may be used in conjunction with the thiol-Michael addition hydrogel and methods thereof. The invention also relates to a positioning device system for providing intracavitary brachytherapy treatment and a kit thereof.
    Type: Application
    Filed: January 18, 2022
    Publication date: August 11, 2022
    Applicants: UNIVERSITY OF VIRGINIA PATENT FOUNDATION, VIRGINIA TECH INTELLECTUAL PROPERTIES, INC.
    Inventors: Timothy Norman SHOWALTER, Timothy E. LONG, Nicholas MOON
  • Publication number: 20200009277
    Abstract: The invention relates generally to methods of using a thiol-Michael addition hydrogel for providing intracavitary brachytherapy and/or displacing tissue and organs. The thiol-Michael addition hydrogel may be used as a packing material and an attenuation material for intracavitary brachytherapy applications. The invention also relates generally to a brachytherapy applicator, which may be used in conjunction with the thiol-Michael addition hydrogel and methods thereof. The invention also relates to a kit comprising at least one container containing the precursor materials of the thiol-Michael addition hydrogel.
    Type: Application
    Filed: July 7, 2017
    Publication date: January 9, 2020
    Inventors: Timothy Norman SHOWALTER, Timothy E. LONG, Nicholas MOON
  • Publication number: 20190336792
    Abstract: Apparatus or techniques can include an applicator that can include an expandable element and an ultrasonic transducer. The applicator can be inserted into a cavity of a tissue region of a patient and images of the cavity and the applicator can be generated based on signals obtained from the ultrasonic transducer. Dosing of radiation can be determined based on the images and a dose of radiation can be delivered to the tissue region by a radiation source located in the applicator.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 7, 2019
    Inventors: David R. Brenin, Timothy Norman Showalter, John A. Hossack