Patents by Inventor Philippe Chalvignac

Philippe Chalvignac 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).

  • Apparatus for assisting ventilation including reduced exhalation pressure mode
    Patent number: 5542416
    Abstract: The invention provides apparatus for assisting with the ventilation of a ient, which includes a source (10) of pressurized gas, a transmission circuit including a main inhalation conduit (14) connected to a mask (19) worn by the patient (20), and a secondary exhalation conduit (28), a flow regulating valve (16), and an exhalation valve (30), characterized in that the regulating valve (16) includes means (52) for maintaining a residual flowrate under a reduced pressure in the main inhalation conduit (14) during each exhalation phase.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: August 6, 1996
    Assignee: Societe d'Applications Industrielles Medicales Et Electroniques (SAIME)
    Inventor: Philippe Chalvignac