Patents Assigned to B.O.C.S.A.
  • Process for artificial ventilation for assisting the volumetric breathing of a patient
    Patent number: 5040529
    Abstract: An apparatus for artificial ventilation for assisting the volumetric breathing of a patient having a demand valve connected between a source of supply of gas and a spontaneous breath tube. This demand valve comprises a reference chamber connected to an expiration tube and a user and to the output of a Venturi tube connected by its inlet to the source of supply of gas. A generator of increasing pressure is provided for transfer of a complementary flow of gas, this generator being connected by its inlet to the source of gas supply and opening out in the upstream end of the Venturi tube assisting the user's exhalation.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: August 20, 1991
    Assignee: B.O.C.S.A.
    Inventor: Daniel Zalkin
  • Apparatus for artificial ventilation for assisting the volumetric breathing of a patient
    Patent number: 4877023
    Abstract: An apparatus for artificial ventilation for assisting the volumetric breathing of a patient having a demand valve connected between a source of supply of gas and a spontaneous breath tube. This demand valve comprises a reference chamber connected to an expiration tube and a user and to the output of a Venturi tube connected by its inlet to the source of supply of gas. A generator of increasing pressure is provided for transfer of a complementary flow of gas, this generator being connected by its inlet to the source of gas supply and opening out in the upstream end of the Venturi tube assisting the user's exhalation.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: October 31, 1989
    Assignee: B.O.C.S.A.
    Inventor: Daniel Zalkin