Patents Assigned to Summa Vest, Inc.
  • Disposable breathing system and components
    Patent number: 4883051
    Abstract: An anesthetic system and a transportation ventilation system include a breathing circuit which is isolatable from ventilator machines and anesthesia machines. The breathing circuit is connectable to the patient and includes a respiration bag within an actuator bag which is translucent and inelastic. The ventilation machine supplies signals so that the respiration bag collapses and expands within the actuator bag through a multi-port valve structure.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: November 28, 1989
    Assignee: Summa Vest, Inc.
    Inventors: Dwayne R. Westenskow, Fidel Silva