US D619718 S1
The ornamental design for a trapezium prosthesis, as shown and described.
FIG. 1 is a perspective view of a trapezium prosthesis showing our new design;
FIG. 2 is a right side view thereof, the left side view being a mirror image thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design.