Positioning and position-maintaining apparatus for stimulation electrodes, wherein the apparatus comprises a stimulation electrode for a stimulation apparatus for stimulating organs in the case of paraplegia, in particular detrusor sphincter dyssynergia, and - the stimulation electrode has an electrode shaft, at one end of which an electrode tip is arranged for emitting a stimulation signal and at the other end of which a connection region is provided for a signal line, and - the stimulation electrode has at least one fixing means for fixing the position of the electrode shaft in the surrounding tissue along the longitudinal axis of said electrode shaft, - wherein the fixing means in each case is embodied having at least one holding means preventing a withdrawal and at least one holding means preventing an advance, - wherein the holding means preventing the withdrawal and the holding means preventing the advance are spaced apart by a clamping region and connected thereto, the clamping region establishing a force-fit connection between electrode shaft and the holding means, and - a kink region is provided on the connection between clamping region and holding means, preferably a constriction for pivoting the holding means if a threshold force is exceeded, and b) comprises an insertion aid for the stimulation electrode, wherein the insertion aid has - an electrode entrance for introducing the electrode shaft into the insertion aid and - a guide with a conical design for inactivating the holding means during the positioning procedure of the electrode, and - comprises a cannula for penetrating tissue. - the stimulation electrode has an electrode shaft, at one end of which an electrode tip is arranged for emitting a stimulation signal and at the other end of which a connection region is provided for a signal line, and - the stimulation electrode has at least one fixing means for fixing the position of the electrode shaft in the surrounding tissue along the longitudinal axis of said electrode shaft, - wherein the fixing means in each case is embodied having at least one holding means preventing a withdrawal and at least one holding means preventing an advance, - wherein the holding means preventing the withdrawal and the holding means preventing the advance are spaced apart by a clamping region and connected thereto, the clamping region establishing a force-fit connection between electrode shaft and the holding means, and - a kink region is provided on the connection between clamping region and holding means, preferably a constriction for pivoting the holding means if a threshold force is exceeded, b) comprises an insertion aid for the stimulation electrode, wherein the insertion aid has - an electrode entrance for introducing the electrode shaft into the insertion aid and - a guide with a conical design for inactivating the holding means during the positioning procedure of the electrode, and - comprises a cannula for penetrating tissue. - an electrode entrance for introducing the electrode shaft into the insertion aid and - a guide with a conical design for inactivating the holding means during the positioning procedure of the electrode, and - comprises a cannula for penetrating tissue.