A male luer lock connector for medical fluid lines comprising an elongated
tubular body having an end portion with external luer cone and an
internally threaded bushing mounted so that it can turn and slide on a
portion with a cylindrical external surface of the tubular body.
Cooperating formations disposed between the portion with cylindrical
external surface of the tubular body and the bushing are provided to
produce during use a perceptible click when the bushing draws near to a
fully advanced position of engagement with a female luer lock connector.
