Abstract: A device for controlling an instrument includes at least one sensor with at least one guiding zone which is guided by the user's hand during its use. Moreover, the claimed device includes a spacer whose first end is rigidly fixed to the sensor. At least one controller which carries at least one instrument to be controlled is arranged at a second end of the spacer. The sensor senses a change in position of the guiding zone, away from a neutral position, and the controller controls the acting direction of the instrument on the basis of the data acquired by the sensor.