A containment body for making a spacer device or a device to be implanted in the human body comprises the containment body, adapted for treating a bone seat or a joint seat inside the human body, comprising a base portion, side walls that extend from the base portion and that delimit inside them at least one cavity, wherein the containment body has a plurality of pores and/or at least one opening, configured so as to place the at least one internal cavity in communication with the outside of the containment body.
