HYPODERMIC SYRINGE

摘要

A hypodermic syringe including an ampul and a hypodermic needle in which the ampul has been made by the technique of plastic blow-molding and the syringe uses one of several embodiments of seals to maintain sterility of the medicament. One embodiment uses a cap assembly for the ampul. Another embodiment uses a cover assembly over the ampul and needle. Another embodiment uses a membrane in the interior of the neck of the ampul. Other embodiments include specially designed closures for the ampul of this invention.