Command communication system (70, 80), having: - a first command communication facility (2M, 20a), which has - a sensor unit (3a, 3b, 3c, 21, 71, 81) for detecting a movement of an operator, - a fixing unit for securing the sensor unit (3a, 3b, 3c, 21, 71, 81) and/or the command communication facility to the operator, - an evaluation unit (4, 4a, 4b, 15, 22) for evaluating the detected movement of the operator and for identifying a command (IB, ASB, KB) on the basis of the detected movement, and - a command communication unit for transmitting a control command to a medical facility that is to be operated on the basis of the identified command (IB, ASB, KB), wherein the sensor unit (3a, 3b, 3c, 21) comprises an internal gesture sensor unit for gesture recognition, - is embodied as a master facility for a bidirectional exchange with at least one slave facility, - whose gesture sensor unit (3a, 3b, 3c, 21) is activated and - which is configured to transmit a determined command to a second command communication facility (2S, 20b), - the second command communication facility (2S, 20b), which - is disposed at a distance from the operator, preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator for the purpose of detecting a movement or gesture of an operator, - a voice recognition unit having a voice recognition capability, and - which is configured to receive the command received by the first command communication facility (2M, 20a) and to transmit a control command to the medical facility based on the received command. - a first command communication facility (2M, 20a), which has - a sensor unit (3a, 3b, 3c, 21, 71, 81) for detecting a movement of an operator, - a fixing unit for securing the sensor unit (3a, 3b, 3c, 21, 71, 81) and/or the command communication facility to the operator, - an evaluation unit (4, 4a, 4b, 15, 22) for evaluating the detected movement of the operator and for identifying a command (IB, ASB, KB) on the basis of the detected movement, and - a command communication unit for transmitting a control command to a medical facility that is to be operated on the basis of the identified command (IB, ASB, KB), - is embodied as a master facility for a bidirectional exchange with at least one slave facility, - whose gesture sensor unit (3a, 3b, 3c, 21) is activated and - which is configured to transmit a determined command to a second command communication facility (2S, 20b), - the second command communication facility (2S, 20b), which - is disposed at a distance from the operator, preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator for the purpose of detecting a movement or gesture of an operator, - a voice recognition unit having a voice recognition capability, and - is disposed at a distance from the operator, preferably on a medical facility that is to be operated, - is embodied as a slave facility for a bidirectional data exchange with a master facility, - includes an evaluation unit which comprises at least one of the following subunits: - a gesture recognition unit which is activated from a distance to the operator for the purpose of detecting a movement or gesture of an operator, - a voice recognition unit having a voice recognition capability, and - which is configured to receive the command received by the first command communication facility (2M, 20a) and to transmit a control command to the medical facility based on the received command.