A disposable cover for electromagnetic treatment applicators prevents undesired exposure to potentially harmful radiation. The seat is mounted on a motherboard, and a recess is defined in the seat with multiple flexible metal pins provided therein. The fastening element further comprises a tensioning mechanism, which when actuated draws the bracket in the direction out of the opening, thereby clamping the rod-shaped element to the shaft portion. The keywords for the keyword fields are encrypted for each encrypted data.