A device (1), configured so that it can be inserted into the rectum of the human body, comprising: an arrangement (8a-8d) of electrodes configured to apply electrical stimulation signals to the wall of the rectum； at least one sensor (11, 12, 13) configured to detect one or more conditions within said human body that indicates a stimulation requirement； and means (24) for applying an electrical signal to said arrangement (8a-8d) of electrodes； a first formation (2) configured to limit the insertion of the device (1) into the rectum； and a second formation (3) configured to retain the plurality of electrodes (8a, 8b, 8c) in the rectum； characterized in that: the device (1) is a portable neuromodulation device； The means (24) for applying an electrical signal is configured to apply to the signal to said electrode arrangement (8a-8d) selectively, in response to a determination that said stimulation is required based on a detection of said one or more conditions； the first and second formations (2, 3) are configured to place the plurality of electrodes (8a-8d) opposite the pudendal nerves (9) of the human body when the device is inserted into the rectum； the electrode arrangement comprises a plurality of electrodes (8a-8d) configured to focus the electrical stimulation signals to the nerves (9) pudenda through the wall of the rectum； and wherein a first electrode (8a) of said plurality of electrodes (8a-8d) has a larger surface area than at least a second electrode (8b) of said plurality of electrodes (8a-8d), said first and second Electrodes (8a, 8b) of said plurality of electrodes (8a-8d) is positively charged.Un dispositivo (1), configurado para que se pueda insertar en el recto del cuerpo humano, que comprende: una disposición (8a-8d) de electrodos configurada para aplicar señales de estimulación eléctricas a la pared del recto； por lo menos un sensor (11, 12, 13) configurado para detectar una o más afecciones dentro de dicho cuerpo humano que indica un requerimient
