Pre -filled syringe and sleeve

The utility model discloses a pre -filled syringe, including the sleeve, movably setting is in core bar and piston in the sleeve, be equipped with a tube sealing shell on the outer peripheral face ofbarrel, the tube sealing shell includes an accommodating space, is equipped with blocking bacteria cap or disinfection piece in it, accommodating space's opening is outside and sealed by an aluminiumfoil tectorial membrane, the axis of tube sealing shell with the axis of barrel is perpendicular. The utility model discloses technical scheme's advantage mainly embodies: accord with medical personnel's operating method, only can contact the application of force end of core bar and the convex shoulder of barrel, make the aluminum foil film lid eliminate like this and understand the ruptured riskof atress, prevented blocking bacteria or disinfected to get dirty with the liquid medicine to dye and bring cross infection's medical malpractice's production, medical personnel operating method feels, tube sealing shell and a