Mask cushion for a patient interface

FIG. 1 is a top, front and right-side perspective view of a first embodiment of a mask cushion for a patient interface, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof.

FIG. 8 is a top, front and right-side perspective view of a second embodiment of a mask cushion for a patient interface, showing our new design;

FIG. 9 is a front view thereof;

FIG. 10 is a rear view thereof;

FIG. 11 is a left-side view thereof;

FIG. 12 is a right-side view thereof;

FIG. 13 is a top view thereof; and

FIG. 14 is a bottom view thereof.

FIG. 15 is a top, front and right-side perspective view of a third embodiment of a mask cushion for a patient interface, showing our new design;

FIG. 16 is a front view thereof;

FIG. 17 is a rear view thereof;

FIG. 18 is a left-side view thereof;

FIG. 19 is a right-side view thereof;

FIG. 20 is a top view thereof; and

FIG. 21 is a bottom view thereof.

FIG. 22 is a top, front and right-side perspective view of a fourth embodiment of a mask cushion for a patient interface, showing our new design;

FIG. 23 is a front view thereof;

FIG. 24 is a rear view thereof;

FIG. 25 is a left-side view thereof;

FIG. 26 is a right-side view thereof;

FIG. 27 is a top view thereof; and,

FIG. 28 is a bottom view thereof.

The broken lines depict portions of the mask for a patient interface that form no part of the claimed design.