The invention relates to a method and a device for triggering at least on firing element for restraining means in a motor vehicle. The waist portion includes a diametral surface that extends longitudinally in the circumferential direction. Two filters on both ends of the column body are used to prevent escape of packing materials from the column chamber under pressure. At least a pair of cantilevered push fingers formed on two adjacent walls for pushing the integrated circuit module toward opposing walls.