A universal safety adapter which is usable with different types of needles and syringes has integral first and second sections and a housing flexibly connected to one of the sections. In the case of the first section being adaptable to be mated with the hub of a needle assembly, the housing is flexibly...http://www.google.de/patents/US4982842?utm_source=gb-gplus-sharePatent US4982842 - Safety needle container
