Foot switch for medical devices

A foot actuation system for controlling one or more medical devices using a foot, comprising:

• a communications unit;
• and
• a plurality of actuation units;
• wherein each actuation unit comprises a user interface for capturing an actuation information item generated by means of a foot, an actuation unit mechanical connection apparatus for releasable mechanical connection to the communications unit and a signal transmitter for transmitting a signal representing the actuation information item;
• wherein the communications unit comprises a communications unit mechanical connection apparatus for releasable mechanical connection to a plurality of actuation units, a signal receiver for receiving the signals representing the actuation information items, and a control signal transmitter for transmitting a control signal to a medical device;
• and
• wherein the communications unit comprises a power transmitter for transmitting power to the plurality of actuation units and wherein each of the plurality of actuation units comprises a power receiver for receiving power from the communications unit.