Luer-lock connector for medical devices

Luer-Lock connector for medical devices comprising:

• a first connector part having:
• a tubular body;
• a swivel nut enclosing the tubular body and rotatably secured to the tubular body;
• wherein the swivel nut has an inside wall, a radially inward-protruding edge, and an inside thread;
• and
• a radially outward-protruding elastic arm on the tubular body which during assembly of the swivel nut onto the tubular body rebounds outwardly against said inside wall of the swivel nut and forms a stop against the radially inward-protruding edge on the swivel nut to prevent pulling off of the swivel nut during operation of the luer-lock connector in a direction opposite to the direction of assembly of the swivel nut onto the tubular body;
• wherein the swivel nut and the tubular body each have a sealing cone, and wherein said sealing cone of the tubular body is fitted onto the sealing cone of the swivel nut to form an effective seal;
• and a second connector part having an outside thread adapted to fit into the inside thread of said first connector part.