×

Ventilator leak compensation

  • US 8,434,480 B2
  • Filed: 03/30/2009
  • Issued: 05/07/2013
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
Patent Images

1. A ventilator, comprising:

  • a pneumatic system for providing and receiving breathing gas;

    a component for fluidly coupling the pneumatic system to a patient, wherein the component comprises a leak-susceptible orifice that varies in size during operation of the ventilator, wherein the varying size of the leak-susceptible orifice is directly related to an applied pressure; and

    a controller operatively coupled with the pneumatic system, where the controller is configured to perform the following steps;

    control circulation by the pneumatic system of breathing gas to and from a patient, andadjust at least one of a volume and pressure of breathing gas delivered to the patient to account for leakage from the pneumatic system, such adjustment taking into account the varying size of the leak-susceptible orifice.

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