Patent attributes
An injection syringe, having a syringe cylinder, a plunger rod inserted therein and connected to a stopper by way of a coupling part, and a module that is provided in the proximal end of the syringe cylinder and having a cannula, mounted in a cannula holder received in a guided sleeve, and a sealing insert for the fluid-tight closure of the proximal end of the syringe cylinder and a protection cap for protecting the cannula, wherein the protective cap on the inner circumference has ribs extending in an axial direction, which engage in corresponding grooves of the driving part for a rotary drive thereof, and wherein in the sealing insert a hollow space is formed, which is closed on the proximal side and on the distal side transitions into an opening, by way of which a tip of the coupling part can be coupled to the hollow space.
