Patents by Inventor Gerald T. Friso

Gerald T. Friso 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).

  • Prostatic stent
    Patent number: 5167614
    Abstract: A stent for maintaining fluid flow through a body passage in a patient comprises a tubular member having an inlet at one end, an outlet at the other end and a lumen extending from the inlet to the outlet. The preferred stent also includes at least one projection on the outer wall of the tubular member which enters the wall of the body passage when the stent is rotated in the proper direction. A kit also is disclosed which includes the stent and a tool for grasping and turning the stent from outside the patient's body.
    Type: Grant
    Filed: October 29, 1991
    Date of Patent: December 1, 1992
    Assignee: Medical Engineering Corporation
    Inventors: Terri L. Tessmann, Jay R. Goldberg, John A. Shimkus, Gerald T. Friso