Patent ID: 8545454
Filing Date: 2013-10-01
Classification: A61B,A61M,Y10S,Y10T

Abstract:
1. An intravenous catheter assembly comprising: a catheter hub with a catheter tube; a needle having a needle shaft, a proximal end attached to a needle hub, a sharpened distal end, and a change in profile; a needle guard slidably disposed about said needle shaft, said needle guard comprising a needle trap biased against a side of the needle shaft, the needle trap comprising an extending arm, a projection, and a fold located between the extending arm and the projection such that the projection releasably holds the catheter hub adjacent the needle guard in a ready to use position; the needle guard further comprising an inner chamber having a slot having the needle trap disposed, at least in part, therein; wherein the projection abuts a shoulder on the catheter hub in the ready position and is free to move to allow the catheter hub to separate from the needle guard when the needle trap is no longer biased by the needle; and an opening on the needle guard for interacting with the change in profile to limit distal advancement of the needle guard along the needle.