Patent ID: 8690853

Claim:
A device for transferring a volume of a solution from a first cartridge having a septum to another solution in a second cartridge having a septum, said device comprising: a cartridge holder having a proximal end, a distal end, and a chamber for removably holding the first cartridge; a plunger driver removably attachable to the proximal end of the cartridge holder and having a piston rod which engages a plunger on the first cartridge; and a cartridge connector having a proximal end attachable to the distal end of the cartridge holder, a distal end adapted to engage a septum end of the second cartridge, said cartridge connector including a transfer needle and an exhaust needle which extend distally to penetrate the septum end of the second cartridge, wherein the transfer needle extends proximally to penetrate the septum of the first cartridge and the exhaust needle terminates in the sealed interior waste chamber; wherein after use, the plunger driver may be removed from the cartridge holder, the first cartridge removed, and the cartridge holder and plunger cleaned for re-use.