A transfer system comprising: a bushing (14) of the vial； a housing (18) having a first and second open ends, said first open end being releasably connected to said bushing (14) of the vial； a cone (16) of the needle mounted within said housing (18)； a needle having a first and second drilling ends (58, 70) mounted on the cone (16) of the needle, wherein said needle cone (16) comprises a first and a second component (52, 54) which can be coupled to each other, wherein each of said components (52, 54) has one of said drilling ends (58, 70) associated therewith； a vial (12) having a neck (32) and a body (30), said vial (12) being inserted into said bushing (14) of the vial, said vial (12) being retained in a non-removable manner in said bushing ( 14) the releasably connected vial； a cartridge (20) having a plunger (24) that seals an open end thereof, a partition (82) located at an opposite end of said cartridge (20)； and an activation cap (22) for causing said needle to penetrate a partition (34) of the vial and said partition of the cartridge to allow transfer of components between them, wherein said second component (54) retained by said housing (18) it has a dispensing opening (66) that communicates with said cartridge (20), said dispensing opening (66) being designed such that a standard needle cannot be secured thereto, characterized in that said activation cap (22) it has a proximal end wall (104), a side wall (106), a first set of protuberances (110) and a second set of protuberances (112), wherein said first set of protuberances (110) is designed to engage the housing (18) when the activation cover has been activated while the second set of protuberances (112) is coupled to the housing (18) before activation.Un sistema de transferencia que comprende: un casquillo (14) del vial； una carcasa (18) que tiene un primer y un segundo extremos abiertos, estando dicho primer extremo abierto conectado de forma liberable a dicho casquillo (14) del vial； un cono (16) de l
