The inclusion of efficient work flows into room planning and path layout is just as important here as the option of flexible conversions, since the space requirements may vary over the period of use depending on the quantity of medical products and on the processing method. Depending on the room concept and size, the SPD is divided into up to three different zones (contaminated/disinfected/sterile). HT solutions can satisfy all room concepts in the SPD and realise room solutions with hygienically flawless physical segregation while integrating loading and unloading units, disinfection equipment, sterilisers and sterile supplies storage.