Patents by Inventor John K. Niparko

John K. Niparko 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).

  • Tympanic membrane prosthesis with mechanical fixation
    Patent number: 6309419
    Abstract: A tympanic membrane prosthesis is provided that includes, in combination, a generally flat, planar membrane sized to overlay a tear or perforation in the tympanic membrane and having at least one preformed perforation, and at least one mechanical fixation device for fixing the membrane to the tympanic membrane of a patient. Each mechanical fixation device is a tack component including a sharp, piercing distal end, an enlarged proximal end and a shaft extending therebetween. A tack insertion device is provided to guide the tack to and through the tear covering membrane.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: October 30, 2001
    Assignee: Johns Hopkins University
    Inventors: Eugene de Juan, Jr., R. Scott Rader, Terry H. Shelley, Andrew N. Lamborne, Alexander C. Walsh, John K. Niparko