There is described a pharmaceutical component-mixing delivery assembly comprising: a first cartridge and a second cartridge； the first and second cartridges being dimensioned so that they are movable relative to one another such that the first cartridge is slidable within the second cartridge from a pre-mixed position to a post-mixed position； the first cartridge comprising a body provided with an outlet end, the first cartridge being fitted with plunger and containing a first pharmaceutical component； the second cartridge comprising a body provided with an inlet end and an outlet end, the second cartridge containing a second pharmaceutical component； and wherein the first and second cartridges are separated by a non-invasive valve component.
