A component for an arrangement at an implant includes a sensor detecting a measurement variable and generating measuring data corresponding to the detected measurement variable; telemetry device transmitting data; a data transmission connection between the sensor and the telemetry device for the transmission of the measuring data therebetween; and an assembly arrangement detachably mounting the component in an implant recess of the implant wherein the component is configured to be insertable through an implant recess of an implant positioned over a target portion of a bone so that the component extends through the opening toward an outer periphery of the target portion of the bone.