Apparatus formed by a housing having an inlet and an inwardly biased and circumferentially open flexible seal depending from the inlet to engage and seal a fitting as it enters the inlet. A stationary probe within the housing extends axially from an outlet to the inlet, with the probe having a passageway...http://www.google.es/patents/US6063062?utm_source=gb-gplus-sharePatente US6063062 - Universal luer activatable and swabbable antireflux valve
Universal luer activatable and swabbable antireflux valve
