×

Medical ventilator system

  • US 6,761,165 B2
  • Filed: 02/23/2001
  • Issued: 07/13/2004
  • Est. Priority Date: 02/29/2000
  • Status: Expired due to Term
First Claim
Patent Images

1. A medical ventilator system comprising:

  • a source of pressurized oxygen, a fluid conduit extending between said pressurized oxygen source and a patient, valve means actuatable to control an FiO2 to the patient, said valve means fluidly connected in series with said fluid conduit, means for measuring the blood oxygen saturation of the patient and providing an SpO2 signal representative thereof, and means responsive to the magnitude of the SpO2 signal and rate of change of the SpO2 signal for varying the FiO2 of the patient by variably actuating said valve means.

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