Patent ID: 6209738
Filing Date: 2001-04-03
Classification: A61J,B65D,Y10S

Abstract:
A transfer set assembly for transferring fluids between a first container having a sealed open end and a second container under sterile conditions, said transfer set assembly comprising:a collar, a needle cannula holder, a needle cannula and a closure;said collar having a proximate tubular end portion adapted to be received over said sealed open end of said first container for securement thereto, an intermediate portion having an axial opening therethrough and a distal tubular portion;said needle cannula holder having a proximate end portion telescopically received in said distal tubular portion of said collar and a tubular distal end portion and said needle cannula holder having an angled camming surface;said needle cannula supported in said needle cannula holder having a free proximate end portion projecting axially beyond said proximate end portion of said holder;said closure having a tubular body portion surrounding said needle cannula holder and said distal tubular portion of said collar, a closed distal end portion and an inner tubular portion generally coaxially aligned with said tubular body portion having an angled camming surface engaging said angled camming surface of said needle cannula holder;whereby, rotation of said closure relative to said holder drives said needle cannula holder and said needle cannula axially to pierce said sealed open end of said first container; andwherein said proximate end portion of said holder has an axial opening receiving and retaining said needle cannula, said holder proximate end portion having a hook-shaped connector which is received in said axial opening in said intermediate portion of said collar retaining said needle cannula and holder assembly to said collar after said needle cannula pierces said sealed opened end of said first container.