Syringe for preparing solutions, suspensions or dispersions, has separate compartments for solid and liquid components prior to injection

摘要

A syringe having a barrel (19) with an inner reservoir (13) for a non-liquid product (14) held between a fixed closure (27) at one end and a piston (29) at the other, and a separate movable container (11) for a liquid component (12), connected automatically to the reservoir through a needle (18) when a pressure is applied to it, is new.