The ornamental design for a cannulaassembly, as shown and described.
FIG. 1 is a front perspective view of a cannula assembly, showing my new design;
FIG. 2 is a front elevation view of the cannula assembly of FIG. 1;
FIG. 3 is a rear elevation view of the cannula assembly of FIG. 1;
FIG. 4 is a right side elevation view of the cannula assembly of FIG. 1;
FIG. 5 is a left side elevation view of the cannula assembly of FIG. 1;
FIG. 6 is a top plan view of the cannula assembly of FIG. 1; and,
FIG. 7 is a bottom plan view of the cannula assembly of FIG. 1.
In FIGS. 1–7, the features of the cannula assembly shown in phantom lines are for illustrative purposes only and do not constitute a part of the claimed design.