Patent ID: 7749189

Claim:
A medicant preparation device comprising: a syringe barrel having a first end with an extension comprising a male fitting, a second end, and a longitudinal axis therebetween; a piston insertable within the syringe barrel through the second end, the piston being slideable within the barrel; a vial containing a first component of a medicant material; an adapter component comprising: a vial housing portion configured to reversibly receive the vial; a piercing structure associated with the vial housing, the piercing structure having a head segment comprising a widest portion, a base portion having a first diameter, and a tube segment extending between the head segment and the base portion, the tube segment having a second diameter that is smaller than the first diameter and shorter than the widest portion of the head segment; a port consisting of a female fitting configured to attach to the syringe at the male fitting at the first end of the syringe barrel; a valve; a first fluid passageway extending through the fitting to the valve; and a second fluid passageway extending from the valve to the vial housing; and flexible packaging configured to allow manipulation of the valve and sliding of the piston without opening of the package.