Patent ID: 6461335
Filing Date: 2002-10-08
Classification: A61M

Abstract:
A valve for use with a fluid administration system for preventing fluid free flow through a tube assembly having a lumen, the tube assembly being connected between a patient and a fluid source, said valve comprising:a body disposed inside the lumen of the tube assembly, the body including a cylindrical portion having an opening at one end and a tapered portion formed adjacent the other end of said body, said tapered portion having beveled surfaces opposite of one another with ends that define a slit between said ends, a passage formed between said opening and said slit, said lumen having an inner diameter that decreases upon stretching of the tube assembly, wherein when the tube assembly is in a relaxed condition said ends of said beveled surfaces confront one another and prevent fluid free flow through said slit and when the tube assembly is in a stretched condition said ends of said beveled surfaces are urged away from one another by the decrease in the inner diameter of the lumen and permit fluid flow through said slit.