| abstract |
Disclosed herein is a syringe assembly for discharging gaseous materials from a syringe, comprising an elongate container (14) with a plunger (16) slidably and sealingly engaged therein to form a fluid material receiving cavity (20), the container further comprising an outlet (22) for dispensing fluid materials from the cavity; the plunger including transfer means for transferring gas constituents from the cavity to a region outside the cavity, or a gaseous material collection housing (36) being provided for emitting gaseous materials and retaining non-gaseous materials. |