Two filling methods for plastic veterinary syringes

Nov. 22, 2021

The plastic veterinary syringe is a kind of packaging container that has been filled with medicine in advance, and the protective cap can be directly opened for administration during use, which is very convenient. This kind of packaging consists of a pipe sleeve, a push rod, a piston, a protective cap and a positioning ring. There are two filling methods according to the configuration of the filling machine: front filling and rear filling.

Two filling methods for plastic veterinary syringes

5ml syringe for for mastitis

Two filling methods for plastic veterinary syringes

30ml dial a dose syringe

1. Pre-filling: refers to filling through the tip of the plastic syringe. The push rod has been pushed into the sleeve in advance during filling. As the drug is filled step by step, the push rod will act on the pressure Slowly rebound to the end of the sleeve until the filling is finished.
2. Post-filling: This filling method refers to filling through the tail of the tube sleeve. The protective cap has been closed in advance during filling, and the push rod is in the state of being withdrawn. After the drug is filled, the push rod is pushed Seal the end of the sleeve.
Currently, the drugs used in prefilled veterinary syringes include pastes and suspensions, such as pet nutrition cream, cow mastitis drugs, cockroach drugs, etc. Generally speaking, these two dosage forms are not affected by the filling method . On the whole, pre-filling and post-filling are two different filling methods commonly used for veterinary syringes. The specific filling method to be selected depends on the function of the filling machine. With the continuous development of filling equipment Upgrade, there are already filling machines that can adapt to both the front filling and the back filling at the same time.

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