Patent attributes
A connector for medical use includes an adapter equipped at its center with a needle extending into a chamber and optionally terminating in a part of a terminal end of the chamber. The terminal end has a cross section suitable for receiving, by friction, a luer type male connector. The needle a terminal part including an orifice or orifices, which is encased in a cavity of an elastic seal having, in the thickness of its free end, a slit or equivalent. The elastic seal has a free end at a tangent to that of the chamber and is provided with a ring encircling its terminal part at least as far as the zone opposite the orifice or orifices of the needle. Along part of the length of the terminal end of the chamber, the outer surface of the elastic seal and/or the inner surface or thickness of the ring has at least one recess for promoting the expulsion of the material constituting the seal, at the time of passage of the needle.
