Apparatus is provided, including a control unit, adapted to be implanted within a patient, and a corkscrew-shaped electrode mount, adapted to be implanted in a wall of a stomach of the patient. The distribution network includes a hub coupled to a one or more servers and each of the servers is coupled to at least one client terminal. A vibrating separator apparatus including a first side wall, a second side wall opposite the first side wall, a bottom wall connecting the first side wall and the second side wall, a first screen having a top surface and a bottom surface, at least one wedging apparatus disposed along the length of the bottom surface of the first screen is also disclosed.