A fastening system for medical devices includes a column-shaped interface profile having a lens-shaped cross section with at least one convexly shaped, longer front surface and with two shorter lateral surfaces, which are parallel to one another and pass over into the longer front surface via a tappet-shaped projection each. These methods include processing annotations, metadata, andor other information using one or more aggregate-behavior-visualization algorithms and displaying aggregate-behavior visualizations to users. The first semiconductor chip includes a first sidewall. The central disengaging bearing relieves a contact disk mechanically prestressed with a contact pressure upon activation of the hydraulic disengaging cylinder, and releases a clutch disk.