Patents Assigned to Lifevent Limited
  • Continuous positive airway pressure device
    Patent number: 7284554
    Abstract: A continuous positive pressure device which includes an air reservoir connected to a delivery device (e.g. mask or mouthpiece) by an air supply hose; the reservoir includes a rigid protective housing and a plate which applies uniform pressure on the reservoir irrespective of its degree of inflation; the plate is connected to the housing by a non distorting and expandable frame which can expand or contract to permit movement of the plate only in a single plane, as the reservoir inflates or deflates.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: October 23, 2007
    Assignee: Lifevent Limited
    Inventor: Geoffrey Mark Shaw