The present invention proposes a vascular access catheter assembly (1) including a main body (10), a needle (11) secured to a needle hub (12) which is releasably connected to the main body (10), a cannula (50) attached to the main body (10) and adapted to coaxially surround the needle (11), and a swabbable intravenous valve (20) securely attached to the main body (10); such that at a first state of the assembly (1), the intravenous valve (20) is positioned substantially around a retraction axis (X) of the needle (11).