Patient Interface

FIG. 1 is a front perspective view of a patient interface showing a first embodiment of our new 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 a patient interface showing a second embodiment of our new design; FIG. 10 is a front view thereof; FIG. 11 is a rear view thereof; FIG. 12 is a top view thereof; FIG. 13 is a bottom view thereof; FIG. 14 is a left side view thereof; FIG. 15 is a right side view thereof; FIG. 16 is a rear perspective view thereof; FIG. 17 is a front perspective view of a patient interface showing a third embodiment of our new design; FIG. 18 is a front view thereof; FIG. 19 is a rear view thereof; FIG. 20 is a top view thereof; FIG. 21 is a bottom view thereof; FIG. 22 is a left side view thereof; FIG. 23 is a right side view thereof; FIG. 24 is a rear perspective view thereof; FIG. 25 is a front perspective view of a patient interface showing a fourth embodiment of our new design; FIG. 26 is a front view thereof; FIG. 27 is a rear view thereof; FIG. 28 is a top view thereof; FIG. 29 is a bottom view thereof; FIG. 30 is a left side view thereof; FIG. 31 is a right side view thereof; and, FIG. 32 is a rear perspective view thereof. The broken lines depict portions of the patient interface that form no part of the claimed design. The combination of line shading (plastic elbow/vent/connector(s)), textile headgear and stippling (elastomeric cushion/headgear tube) is intended to convey a contrast in appearance/materials.