Patent ID: 8137307

Claim:
A syringe device comprising: a syringe barrel; a piston having a first end insertable within the syringe barrel, and a second end opposing the first end; a vial housing comprising a first part and a second part, the first part disposed within the piston and configured to receive a capped end of a vial in lengthwise orientation along a portion of the overall length of the piston, the second part configured to engage both a base of the vial and the first part, the second part further defining an appendage comprising a stem supporting a disk, the appendage configured to engage a syringe pump; a fluid passageway extending through the piston from the first part through the first end; a valve having a valve body having a longitudinal axis, the valve body extending through an opening in a side of the piston, the longitudinal axis orthogonally traversing the fluid passageway; and a piercing structure associated with the second end of the piston and extending into the vial housing.