| abstract |
A valve assembly ( 50 ) comprising a three-way connector ( 52 ) operatively interconnecting: an inlet ( 54 ) operatively connectable, in use, to an aspirator tube ( 60 ), the inlet ( 54 ) comprising a first one-way valve ( 66 ) permitting, in use, the flow of a fluid from the tube ( 60 ) into the three-way connector ( 52 ); a first outlet ( 70 ) operatively connectable, in use, to a receptacle ( 63 ), the first outlet ( 70 ) comprising a second one-way valve ( 67 ) permitting, in use, the flow of a fluid from the three-way interconnector ( 52 ) into the receptacle ( 63 ); and a second outlet ( 90 ) operatively connectable, in use, to a syringe ( 96 ), wherein the receptacle ( 63 ) comprises a vent aperture ( 78 ) and a porous or perforated element ( 80 ) overlying the vent aperture ( 78 ). |