×

Insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase

  • US 6,860,265 B1
  • Filed: 09/08/2003
  • Issued: 03/01/2005
  • Est. Priority Date: 09/08/2003
  • Status: Expired due to Term
First Claim
Patent Images

1. An improved insufflation-exsufflation system for removal of broncho-pulmonary secretions with automatic triggering of inhalation phase comprising:

  • a conduit for connection to a patient'"'"'s airway;

    a pressure source with a positive pressure port, a dwell port and a negative pressure port;

    a switching device for connecting said conduit to one of said positive pressure port, said negative pressure port or said dwell port;

    a sensor system for sensing an inhalation by the patient; and

    a controller system for driving said switching device to connect said conduit sequentially to said positive port, said negative port and said dwell port and to return again to said positive port in response to said sensor system sensing an inhalation by the patient when said conduit is connected to said dwell port.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×