A device for closing containers or lines for administering medical or pharmaceutical fluids, comprising a first tubular element and a second tubular element, which are open at the respective opposite ends and are mutually associated, at a respective end, so that they are mutually substantially coaxial...http://www.google.de/patents/US20060293640?utm_source=gb-gplus-sharePatent US20060293640 - Closure device for containers or lines for administering medical or pharmaceutical fluids
