An implantable device and method for managing a patient's erectile dysfunction, wherein the device generally comprises: at least one power source member that is adapted to be implanted in the patient's lower abdominal wall; at least one pulse generating member that is adapted to be implanted in the patient's lower abdominal wall; and at least one electrode that is adapted to be implanted at the suprapubic level of the patient's neurovascular bundle of the phallus, is connected to said power source member and pulse generating member, and is adapted to electrically stimulate the neurovascular bundle upon selective activation by the patient.