An implantable arrangement including an implantable electromedical device having an exterior wall and an implantable sensor and/or actuator outside of the exterior wall. The sensor and/or actuator are in signal connection with the implantable device via an electric stage and a mechanical stage arranged in series, wherein the mechanical stage sends and/or receives mechanical vibration signals through the closed exterior wall, and the electrical stage sends and/or receives the same signals in electrical form.