Patents by Inventor Helene Prigent

Helene Prigent 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).

  • Publication number: 20120145156
    Abstract: The invention relates to a phonation assistance device for a tracheotomy patient, including: an exhalation circuit connected to a tracheotomy cannula inserted in the trachea of the patient, the exhalation circuit including an outlet opening for the passage of the air exhaled by the patient; and a valve for opening/closing the outlet opening for normally assuming, when the patient inhales, a position for closing the outlet opening and, when the patient exhales, a position for closing the outlet opening. It also includes means for the positive priority control of the valve for selectively moving the valve into the closed position when the patient exhales.
    Type: Application
    Filed: May 5, 2010
    Publication date: June 14, 2012
    Applicant: ASSISTANCE PUBLIQUE - HOPITAUX DE PARIS
    Inventors: Frederic Lofaso, Helene Prigent, Karl Leroux