Patent ID: 8152778

Claim:
An interface device comprising: a body defining a substantially cylindrical bore having a first open end dimensioned to receive a standard syringe assembly having a syringe body and a plunger assembly, and a second end defining an outlet channel, the body including a side channel extending through a sidewall of the substantially cylindrical bore, the side channel being in fluid communication with the outlet channel and the substantially cylindrical bore; the substantially cylindrical bore including a plunger movably positioned within the bore from a retracted position to an advanced position, each plunger having a top surface adapted to engage a distal end of a standard syringe assembly, a bottom surface and a sidewall, the bottom surface of the plunger and a distal end of the substantially cylindrical bore defining a first reservoir, a plunger channel extending through the plunger from the top surface of the plunger to the sidewall of the plunger, wherein in the retracted position, the plunger channel is sealed by the sidewall of the bore, and in the advanced position, the plunger channel communicates with the side channel of the body.