Prefilled sterile syringes with polyethylene stoppers

摘要

The invention relates to a medical syringe with an inserted stopper (101). The syringe has the following features: a) the syringe comprises a cylinder with a proximal end and a distal end, and an outlet b) the syringe contains a medicament or a diagnostic agent c) the surfaces of the stopper (101) in contact with the inner wall (107) of the syringe cylinder are made of polytetrafluorethylene d) the surfaces of the stopper (101) in contact with the inner wall (107) of the syringe cylinder fit closely against the material of said wall e) the stopper has at least one sealing lip (108 and 109) and the resulting mass of the sealing lip forms a sharp angle with the syringe axis in distal direction. The syringe is intended to accommodate medicaments and diagnostic agents.