Patents by Inventor Irvin H. Hirsch

Irvin H. Hirsch 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).

  • Radial distention of a soft tissue space using a finger guided distention balloon
    Patent number: 5582620
    Abstract: A device for radially distending a soft tissue space comprising a finger sheath for covering at least one finger. The sheath has a proximal and distal end. A distention balloon is attached to the distal end of the sheath. The balloon has a relative deflatable position in relation to the finger sheath and a relative inflatable position in relation to the sheath. An inflation source for inflating the distention balloon to a preferred volume thereby dilating the desired the soft tissue space is provided. A valve member for deflating the balloon is also provided.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: December 10, 1996
    Assignee: Thomas Jefferson University
    Inventor: Irvin H. Hirsch