A needle tip guard for an intravenous catheter assembly, including a base portion having a bore extending along an axial direction for receiving a needle having a needle shaft extending through the bore and moving relative to the needle tip guard from a spread-apart position； first and second jaws extending from the distal side of the base portion generally in the axial direction； the first and second jaws having head portions at a free end, said first jaw resting over the needle shaft in the spread-apart position； with locking means on the outer surface of the needle tip guard for securing the needle tip guard to the medical device； and at least one elastic element integrally mounted onto the jaws in a region between the base portion and the head portions exerting an inward restoring force on the jaws when the jaws are spread apart by the needle shaft.
