| 摘要 |
A prefilled syringe or carpule is provided for medical purposes, having a glass syringe barrel and inside it a syringe plunger which can be displaced by means of a plunger rod. A cannula cap, in which a cannula is fixedly inserted and held axially in a detent position, is mounted on the cannula end of the syringe barrel. Further provided is a sealing disk inserted in the cannula cap and arranged coaxially to the cannula cap. One side of the disk lies flush against the end face of the syringe barrel and the other side lies flush against the internal face of the cannula cap and the disk centrally displays a recess in the form of a blind hole, whose base forms a membrane. The end of the cannula closest to the syringe barrel projects clear through the internal face of the cannula cap into the recess of the sealing disk. Finally, the syringe possesses a sealing component consisting of a sealing cap and a locking ring joined to it by means of a predetermined breaking point, which can moved from a first detent position formed for the locking ring in the external surface of the shell of the cannula cap, thus making possible the sterilization of the interior space of the sealing component, to a locking position enclosing and sterilely sealing off the cannula cap.
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