An adjustable spacer modular device for the treatment of an articulation of the human body, comprising a fitting central body provided with an end having a substantially flat first surface, a head adapted to be arranged within an articular cavity, wherein the head comprising a cap and a base opposite to said cap, wherein the cap and the base are radiused to each other, a rod-like element, adapted to be fixedly connected at a bone end, first means for connecting the head to the central body, wherein the first connection means are adjustable and adapted to adjust the inclination of the head with respect to the central body along a longitudinal plane and/or along a transverse plane of the human body.
