Apparatus for assisting ventilation including reduced exhalation

Details Apparatus for assisting ventilation including reduced exhalation Apparatus for assisting ventilation including reduced exhalation

1995-01-10

1996-08-06

Millin, V.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, 12820425, A61M 1600, A61M 1620

Patent

active

055424163

ABSTRACT:
The invention provides apparatus for assisting with the ventilation of a ient, which includes a source (10) of pressurized gas, a transmission circuit including a main inhalation conduit (14) connected to a mask (19) worn by the patient (20), and a secondary exhalation conduit (28), a flow regulating valve (16), and an exhalation valve (30), characterized in that the regulating valve (16) includes means (52) for maintaining a residual flowrate under a reduced pressure in the main inhalation conduit (14) during each exhalation phase.

REFERENCES:
patent: 3831596 (1974-08-01), Cavallo
patent: 3935880 (1976-02-01), Lindestrom et al.
patent: 3985131 (1976-10-01), Buck et al.
patent: 4401115 (1983-08-01), Monnier
patent: 4773411 (1988-09-01), Downs
patent: 4838257 (1989-06-01), Hatch
patent: 5000173 (1991-03-01), Zalkin et al.

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