A device for nerve stimulation therapy that includes at least one current generator, a housing having an outer surface and defining an interior cavity. The current generator includes a power supply and at least one current regulator, the and is configured to supply therapeutic current for a therapy interval. The device includes at least two leads electrically connected to the current generator and coupled to an associated electrode at least one electrode. The electrode has an insertion tip defined at the end of the electrode opposed to the lead such that the wherein the connection between the insertion tip and a central section of the electrode defines an angle that is not equal to 180 degrees.