SAFE NEEDLE ASSEMBLIES AND CORRESPONDING METHODS Russian patent published in 2019 - IPC A61M25/06 

FIELD: medicine.

SUBSTANCE: group of inventions relates to medical equipment. Safe catheter assembly comprises a catheter sleeve comprising a valve and a valve opener for opening a valve; a catheter tube attached to the catheter sleeve; needle bushing; a needle attached to the needle sleeve and protruding through the catheter tube; and needle protection located in the inner cavity of the catheter sleeve. Needle protection comprises a proximal wall having an opening, as well as two legs, each having an end. Support formed by a catheter sleeve or a valve opener disposed within the catheter sleeve spars the two ends of needle protection from the needle in the ready position. Support is located in the inner cavity of the catheter sleeve, the two ends of the two legs on the needle protection rest on the support. Disclosed is a method of reducing resistance acting on a needle of a catheter assembly, and an alternative embodiment of a safe catheter assembly.

EFFECT: technical result consists in excluding the risk of accidental pricks with using a protective device for the needle, which reduces friction between needle and needle protection.

11 cl, 11 dwg