A safety catheter assembly (200) comprising:a catheter hub (14) comprising a housing comprising an exterior surface and an interior surface defining an interior cavity；a catheter tube (12) attached to the catheter hub and extending distally of the catheter hub；a needle hub (18) comprising a housing comprising an exterior surface and an interior surface defining an interior cavity；a needle (16) having a needle tip (74) attached to the needle hub and projecting distally of the needle hub and into the catheter tube；a valve (46) comprising a top surface, a skirt depending therefrom, and an opening on the top surface having the needle projecting therethrough；a valve opener (48) for opening the valve and positioned in the interior cavity of the catheter hub proximal of the valve；a safety device (202) for covering the needle comprising a tip protector housing (204) for receiving the needle tip in a protected position and having a housing section positioned proximally of a proximal end of the catheter hub in a ready position； andwherein the valve opener comprises two proximally extending legs (60) having a gap there between, the valve opener being sized and shaped to be pushed distally towards the valve to transfer a force imparted by an IV-set Luer connector to the valve.
