A holding system for medical instruments with at least one bracket for fastening a medical instrument and at least one joint for positioning the one bracket and/or instrument. The holding system is configured to integrate in the bracket at least one of: light source, image recording unit, image display unit, control unit for the holding system, control unit for external components, sensor for distance, surface scanning and/or recording conditions of the environment, medical device for minimally invasive surgery, cooling unit, and/or wireless data communication unit. Accordingly, fewer or shorter feeder lines are required, gaining degrees of freedom of movement for the surgeon, reducing the possibility of stumbling in the operating room.