A blood collection assembly is disclosed in which the tube holder to which the contaminated end of a blood collection cannula is inserted. To prevent any contaminated blood from being exposed to the user, or bystanders, an elastic pierceable sheath is fixedly aligned within the tube holder so that the...http://www.google.fr/patents/US5485854?utm_source=gb-gplus-shareBrevet US5485854 - Safety blood collection tube holder and assembly therefor
Safety blood collection tube holder and assembly therefor
