The syringe is a prefillable or prefilled syringe having a syringe cylinder which is delimited to one side by a plunger and which to the other side opens into a syringe connection having a free end closed by a membrane. The syringe cylinder, the syringe connection and the closing membrane are formed...http://www.google.com/patents/US20040116869?utm_source=gb-gplus-sharePatent US20040116869 - Membrane syringe
