Proximal flow sensor

FIG. 1 is a perspective view of an embodiment of a proximal flow sensor showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

FIG. 8 is a perspective view of another embodiment of a proximal flow sensor showing our new design, shown with connected tubing;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a left side elevation view thereof;

FIG. 12 is a right side elevation view thereof;

FIG. 13 is a top plan view thereof; and

FIG. 14 is a bottom plan view thereof.

FIG. 15 is a perspective view of yet another embodiment of a proximal flow sensor showing our new design;

FIG. 16 is a front elevation view thereof;

FIG. 17 is a rear elevation view thereof;

FIG. 18 is a left side elevation view thereof;

FIG. 19 is a right side elevation view thereof;

FIG. 20 is a top plan view thereof; and

FIG. 21 is a bottom plan view thereof.

FIG. 22 is a perspective view of yet another embodiment of a proximal flow sensor showing our new design;

FIG. 23 is a front elevation view thereof;

FIG. 24 is a rear elevation view thereof;

FIG. 25 is a left side elevation view thereof;

FIG. 26 is a right side elevation view thereof;

FIG. 27 is a top plan view thereof; and

FIG. 28 is a bottom plan view thereof.

FIG. 29 is a perspective view of yet another embodiment of a proximal flow sensor showing our new design;

FIG. 30 is a front elevation view thereof;

FIG. 31 is a rear elevation view thereof;

FIG. 32 is a left side elevation view thereof;

FIG. 33 is a right side elevation view thereof;

FIG. 34 is a top plan view thereof; and,

FIG. 35 is a bottom plan view thereof.

The broken lines depict features of the proximal flow sensor that form no part of the claimed design.