Patent ID: 8105293

Claim:
Syringe for one-off use, with a syringe barrel having an interior for containing an injection solution, a barrel stopper which can be displaced in the syringe barrel by a plunger rod, a needle unit accommodated in the syringe barrel and coupling means for connecting the plunger rod to the needle unit in order to retract the needle unit into the syringe barrel after injection, characterised in that the needle unit has a needle holder made from plastic surrounding an injection needle made from stainless steel across a part of its length, wherein the needle holder has an end facing the interior of the syringe barrel and wherein a seal insert seals the end of the needle holder from the interior of the syringe barrel, the seal insert being made from pharmaceutical rubber and through which the injection needle extends from a rear end of the needle holder, wherein the needle holder at an injection end has a head of a wider diameter than a portion of the needle holder adjoining the injection end and on which a needle guard cap can be fitted.