The ornamental design for a container for medicalpurposes, as shown and described.
FIG. 1 is a perspective view of a container for medical purposes showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
This application claims a portion of a container, specifically two diametrically opposed windows, each with six apertures. The broken lines illustrate environmental structure and form no part of the claimed design.