Patents by Inventor Eric D. Shah

Eric D. Shah 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).

  • Self-inflating anorectal expulsion device
    Patent number: 12433540
    Abstract: An anorectal expulsion device includes a balloon having a wall that extends between proximal and distal ends of the balloon and defines a balloon interior. The balloon interior contains a self-expanding, low compression-set material (e.g., open cell foam). The device also includes a catheter that extends through the proximal end of the balloon and at least a portion of the balloon interior. An interior of the catheter is in fluid communication with the balloon interior. The device also includes a termination component (e.g., a cap or a valve) coupled to the catheter at a position along the catheter that is outside of and proximal to the proximal end of the balloon (e.g., at the proximal end of the catheter). The physical configuration of the termination component is adjustable, and controls whether the balloon interior is in fluid communication with the external environment.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: October 7, 2025
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: William D. Chey, James A. Ashton-Miller, Eric D. Shah, Jason Baker, Adrienne Harris, Gene Parunak, Aaron Miles Kehrer
  • SELF-INFLATING ANORECTAL EXPULSION DEVICE
    Publication number: 20220039751
    Abstract: An anorectal expulsion device includes a balloon having a wall that extends between proximal and distal ends of the balloon and defines a balloon interior. The balloon interior contains a self-expanding, low compression-set material (e.g., open cell foam). The device also includes a catheter that extends through the proximal end of the balloon and at least a portion of the balloon interior. An interior of the catheter is in fluid communication with the balloon interior. The device also includes a termination component (e.g., a cap or a valve) coupled to the catheter at a position along the catheter that is outside of and proximal to the proximal end of the balloon (e.g., at the proximal end of the catheter). The physical configuration of the termination component is adjustable, and controls whether the balloon interior is in fluid communication with the external environment.
    Type: Application
    Filed: September 9, 2019
    Publication date: February 10, 2022
    Inventors: William D. Chey, James A. Ashton-Miller, Eric D. Shah, Jason Baker, Adrienne Harris, Gene Parunak, Aaron Miles Kehrer