Medical device or implant support for prosthesis

The invention relates to a medical device for supporting an implant or prosthesis, which is made of a rigid or semi-rigid material, which comprises two parts, i.e. one part constituting an upper ring and another part constituting a lower ring, which is adapted to receive an implant or a removable prosthesis at the upper ring, and which is to be installed in situ by means of the lower ring.