Improvement in injection cartridges

Syringe, and mobile is, wherein the needle body the piston of the is provided with a liquid preparation in the front the body the outlet tube to promote, is characterised of: With a to promote to the preparation, wherein a pre-filter piston's back, wherein the body is provided with the cleaning liquid lower cavity, wherein space wherein the rear end is sealed by a movable postpositioned piston, wherein the body is provided with a liquid bypass connection body, wherein to the cleaning liquid arranged on the outermost can be bypass to the preposed piston of the outlet of the sleeve pipe of the position of the preposed a flow out to cleaning to the casing pipe; the syringe is a pair syringe, a front cavity is provided with a of the preparation of solid ingredients, a back cavity is provided with a preparation the liquid ingredients, wherein two cavities to form a movableThe wall layer, wherein body is provided with a postpositioned liquid bypass connection body, so the liquid ingredients can be bypass to the movable plate base, and solid of the mixing, the back cavity at the rear end to the preposed piston is closed; and lower cavity for cleaning liquid of the inner body is connected with the preposed piston's back, wherein the rear end to the postpositioned movable piston is closed.