1. A medical operator device protection system for an operator device having a touchscreen and configured to operate a medical apparatus, the medical operator device protection system comprising:a shock protective frame made of an elastic material that is sterilizable, the shock protective frame being sized and configured to enclose the operator device while forming an overhang at a front side and at a rear side of the operator device,
a liquid-tight protective casing, the protective casing being sized to enclose the operator device and being insertable between the operator device and the shock protective frame, a protective envelope for the operator device, the protective envelope defining a recess having an inner face,
wherein the protective casing is sized to enclose the operator device assembled with the protective envelope and is positionable within the protective envelope and the shock protective frame,
wherein at a rim of the recess, a top side of the protective envelope forms an overhang that projects over the operator device towards the recess and points towards a bottom side of the protective envelope.