| 摘要 |
The present invention is a shield that protects the needle of a syringe and maintains it in a sterile condition until use. The shield is able to become open at both ends. A paper or thermoplastic barrier maintains sterility and keeps the distal end of the shield closed prior to use. During usage of the present invention, the distal end of the shield also serves as a guide over the neck of a vial. The present invention is a shield for a syringe having a shield, which has two sterility barriers, where one of the sterility barriers is removable from the shield, and the other is formed at an interface between a syringe and the shield. In addition, the shield also has a guidance section that is adapted to guide a vial crimp into the shield for interface to a needle.
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