Interchangeable nasal cannula

FIG. 1 is a perspective view of an interchangeable nasal cannula showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view thereof shown in use.

The dot-dot-dash broken lines in FIG. 8 depict unclaimed environment.

The dash-dot-dash broken lines represents a boundary of the claim design.

The dash-dash broken lines illustrate portions of the interchangeable nasal cannula. The broken lines form no part of the claimed design.