A mesoporous carbon composite includes mesoporous carbon having mesopores; a conductive polymer coated on only an outer surface of the mesoporous carbon; and an organic electrolyte comprising a lithium salt and an organic solvent. Further, the present invention also relates to processes for obtaining them, the use of said compounds for the treatment of gastrointestinal disorders, and pharmaceutical compositions containing them. A wear compensation device is provided in the force transmission path between the supporting plate and the pressing plate. Each of the one or more valves includes a valve piston with a longitudinal axis substantially parallel to the longitudinal axis of the stretch rod.