THE INVENTION RELATES TO AN INTRAVENOUS CATHETER APPARATUS COMPRISING A TUBULAR CATHETER (10) HAVING A PROXIMAL END AND A DISTAL END (16), A NEEDLE DEFINING AN AXIAL DIRECTION AND HAVING A NEEDLE SHAFT (22) AND A NEEDLE TIP (14) AT A DISTAL END (16) OF THE NEEDLE SHAFT (22), WHEREIN SAID NEEDLE SHAFT (22) EXTENDS THROUGH SAID TUBULAR CATHETER (10) SUCH THAT SAID NEEDLE TIP (14) OF SAID NEEDLE PROTRUDES FROM SAID DISTAL END (16) OF SAID TUBULAR CATHETER (10), AND WHEREIN SAID NEEDLE SHAFT (22) COMPRISES AN ENGAGEMENT MEANS ADAPTED TO ENGAGE WITH A NEEDLE GUARD SLIDABLY ARRANGED ON SAID NEEDLE SHAFT (22) IN ORDER TO PREVENT SAID NEEDLE GUARD FROM SLIDING OFF SAID NEEDLE TIP (14). FIG 1