×

Infant ventilator with exhalation valves

  • US 5,303,699 A
  • Filed: 11/18/1991
  • Issued: 04/19/1994
  • Est. Priority Date: 11/18/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A ventilator device comprising:

  • an inspiratory tube;

    an expiratory tube;

    a "Y" connector having a first port leading to a patient, a second port connected to one end of said inspiratory tube, and a third port connected to one end of said expiratory tube;

    a first valve coupled to the other end of said inspiratory tube and in fluid communication with a source of respiratory fluid, for controllably passing the fluid to the patient through said inspiratory tube; and

    a second valve, coupled to the other end of said expiratory tube and in fluid communication with the environment for controllably passing exhaled fluid from the patient to the environment;

    whereinsaid first valve includes means, responsive to fluid pressure in said inspiratory tube, for communicating said inspiratory tube to the environment when the pressure in said inspiratory tube exceeds a predetermined inspiratory pressure limit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×