The present utility model discloses autoclave machine for crushing and sterilizing medical wastes to transform it into regular wastes, said machine comprising: an inner waste-treating vessel provided with waste inlet and waste discharge an outer jacket vessel shrouding said inner waste-treating vessel a rotating mixer inside the inner waste-treating vessel, said rotating mixer having a plurality of mixing paddles a rotating drive assembly to cause rotation of said mixer steam supply lines into said inner waste-treating vessel and said outer jacket vessel and a programmable controller to control the operation of the rotating mixer and the steam supply lines. The programmable controller includes a human-machine interface (HMI) display that shows control parameters of the autoclave machine and real-time, digital operational parameters thereof.