The present invention relates to an implantable apparatus for obtaining urinarycontrol and emptying of the urinary bladder, The apparatus operates with a poweredmember (100) operating from the outside of the urinary bladder assisted by a supportstructure to discharge urine from the urinary bladder. A control device (200)controls the operation of the powered member. The control device further comprisesa source of energy for operating the powered member and other energy consumingparts of the apparatus and a control assembly.