Expiratory valve for ventilator

FIG. 1 is a front perspective view of an expiratory valve for ventilator according to a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a rear perspective view thereof;

FIG. 9 is a front perspective view of the expiratory valve for ventilator of FIGS. 1 - 8 in its preload position condition relative to a sample ventilator;

FIG. 10 is a front perspective view of the expiratory valve for ventilator when positioned on the ventilator, but before the cover is secured;

FIG. 11 is a front perspective view of the expiratory valve for ventilator with the cover secured;

FIG. 12 is a front perspective view of an expiratory valve for ventilator according to a second embodiment of our design;

FIG. 13 is a front view thereof;

FIG. 14 is a rear view thereof;

FIG. 15 is a top view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a left side view thereof;

FIG. 18 is a right side view thereof;

FIG. 19 is a rear perspective view thereof;

FIG. 20 is a front perspective view of the expiratory valve for ventilator of FIGS. 12 - 19 in its preload position condition relative to a sample ventilator;

FIG. 21 is a front perspective view of the expiratory valve for ventilator when positioned on the ventilator, but before the cover is secured; and,

FIG. 22 is a front perspective view of the expiratory valve for ventilator with the cover secured.

The broken lines shown in FIGS. 1 - 8 and 12 - 19 depict portions of the expiratory valve for ventilator that form no part of the claimed design. The additional broken lines in FIGS. 9 - 11 and 20 - 22 illustrating a ventilator depict environmental subject matter and form no part of the claimed design.