A user assistance system for use with a device for cleaning and disinfecting a surgical instrument. The system including data eyeglasses including a camera and a projection surface, wherein the data eyeglasses projects information on the projection surface, a data storage in which a plurality of data sets on different types of surgical instruments are saved, information relating to an identifying feature of a particular type of surgical instrument and visual data relating to instructions on cleaning the particular type or surgical instrument are in each data set, and a controller configured to capture an image of a surgical instrument to be cleaned, compare image data with the identifying feature in the data sets, identify a type of the surgical instrument to be cleaned using the identifying feature in the image, and display visual information relating to instructions on cleaning the identified type of surgical instrument on the projection surface.
