Patents by Inventor Juan M. Madrigal

Juan M. Madrigal 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).

  • Antimicrobial indwelling voice prosthesis
    Patent number: 8317861
    Abstract: A voice prosthesis comprising a tubular body portion, a valve and a valve seat disposed within the body portion. The valve seat is further comprised of a medical grade elastomer containing a dispersion of an antimicrobial agent. This valve seat extends the life of the prosthesis by retarding the growth of microorganisms. The body portion of the prosthesis may also contain an antimicrobial agent at a concentration that is non-toxic to the tissue it contacts.
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: November 27, 2012
    Assignee: Helix Medical, LLC
    Inventors: Jeffrey L. Goldberg, Edmund V. Seder, Jesse N. Nelson, Juan M. Madrigal