A transfer system suitable for medicaments comprising a vial socket (14), a housing (18) having first and second open ends with the first open end being releasably connected to the vial socket (14), a needle hub (16) mounted within the housing (18), a needle having first and second piercing ends (58, 70) mounted in the needle hub (16), a vial (12) having a neck (32) and a body (30), the vial (12) being inserted in the vial socket (14) and being non removably retained therein, a cartridge (20) having a plunger (24) sealing an open end thereof and a septum (82) located at an opposite end of the cartridge (20), and an activation cap (22) for causing the needle to penetrate a septum (34) of the vial (12) and the septum (82) of the cartridge (20) to permit transfer of components therebetween.
