The bone dust trap for collecting bone particles from the patient during surgical procedure comprising of: a cylindrical housing unit having a plurality of porous filtrating plates ; a lid ; an O-ring ensuring tightness of the sealed bone dust trap; a two-stage filtrating system, comprising of the plurality of porous filtrating plates ; an inlet port and an outlet port ; characterised in that: the plurality of porous filtrating plates located along inner walls of the said cylindrical housing unit ; a cyclone forming mechanism, comprising of a spiral helix and a cylindrical tube with a conical jet forming the inlet port ; a central pipe with a porous tip for extraction of filtrated fluids; the two-stage filtrating system also comprising a central filtrating membrane , wherein the said central filtrating membrane is rigidly attached to the said central pipe wherein the said central filtrating membrane includes a plurality of pores for filtrating bone dust and a plurality of slots to interlink with the said plurality of porous filtrating plates , wherein the plurality of slots allows to scrap bone particles from the said plurality of porous filtrating plates as the lid is removed; a porous tip with a plurality of pores , located at the end of the said central pipe under the central filtrating membrane ; the inlet port and the outlet port attached to the said lid and shaped conically in order to provide rigid connection with the standard suction tubing. a cylindrical housing unit having a plurality of porous filtrating plates ; a lid ; an O-ring ensuring tightness of the sealed bone dust trap; a two-stage filtrating system, comprising of the plurality of porous filtrating plates ; an inlet port and an outlet port ; characterised in that: the plurality of porous filtrating plates located along inner walls of the said cylindrical housing unit ; a cyclone forming mechanism, comprising of a spiral helix and a cylindrical tube with a conical jet forming the inlet port ; a central pipe with a porous tip for extraction of filtrated fluids; the two-stage filtrating system also comprising a central filtrating membrane , wherein the said central filtrating membrane is rigidly attached to the said central pipe wherein the said central filtrating membrane includes a plurality of pores for filtrating bone dust and a plurality of slots to interlink with the said plurality of porous filtrating plates , wherein the plurality of slots allows to scrap bone particles from the said plurality of porous filtrating plates as the lid is removed; a porous tip with a plurality of pores , located at the end of the said central pipe under the central filtrating membrane ; the inlet port and the outlet port attached to the said lid and shaped conically in order to provide rigid connection with the standard suction tubing. the plurality of porous filtrating plates located along inner walls of the said cylindrical housing unit ; a cyclone forming mechanism, comprising of a spiral helix and a cylindrical tube with a conical jet forming the inlet port ; a central pipe with a porous tip for extraction of filtrated fluids; the two-stage filtrating system also comprising a central filtrating membrane , wherein the said central filtrating membrane is rigidly attached to the said central pipe wherein the said central filtrating membrane includes a plurality of pores for filtrating bone dust and a plurality of slots to interlink with the said plurality of porous filtrating plates , wherein the plurality of slots allows to scrap bone particles from the said plurality of porous filtrating plates as the lid is removed; a porous tip with a plurality of pores , located at the end of the said central pipe under the central filtrating membrane ; the inlet port and the outlet port attached to the said lid and shaped conically in order to provide rigid connection with the standard suction tubing. <EOS>