Patent ID: 8231585

Claim:
A syringe comprising: a syringe cylinder having an end, said syringe cylinder comprising a cylinder portion and a lock connection portion, said cylinder portion being integrally connected to said lock connection portion; a syringe connection provided on said end of said syringe cylinder, said syringe connection comprising a Luer connection element, said Luer connection element comprising an internal thread; a cap having a puncture element, said cap being movably mounted when attached to said syringe connection such that said cap is movable from a first position to a second position, said cap having a cap portion, said cap portion engaging said lock connection portion, said syringe connection being arranged on one side of said cap; and a membrane integrally connected to said syringe connection to form a one-piece sealed syringe connection structure, said puncture element being located at a spaced location from said membrane with said cap in said first position, said puncture element penetrating said membrane in said second position.