Patent ID: 6042570
Filing Date: 2000-03-28
Classification: A61M

Abstract:
A medical fluid flow set which comprises a flexible tube having a needle hub at an end thereof, said hub carrying a hollow needle having a point, and being of enlarged transverse dimension relative to said needle; a frustoconical protector tube surrounding at least one of said tube, hub, and needle, said frustoconical protector tube having respective larger and smaller ends, the larger tube end facing in the same direction as the needle point, the smaller tube end being proportioned to surround and tightly squeeze against said hub, said tube being of a length to enclose said needle point when the smaller tube end encloses and squeezes said hub, and a closure cap provided for said larger tube end, said frustoconical tube defining a retention member at its smaller tube end to prevent said hub from passing out of said smaller tube end, said retention member comprising a flange having an inwardly facing surface perpendicular to the axis of said tube and an outwardly facing surface defining an acute angle to said tube, whereby a needle hub may be placed into said tube through the smaller tube end, but cannot be removed from the tube though the smaller tube end.