发明授权
US07927315B2 Piston for a syringe and a prefilled syringe using the same 有权
用于注射器的活塞和使用其的预充式注射器

Piston for a syringe and a prefilled syringe using the same
摘要:
A sealing stopper or piston for a syringe which includes a skirt part that is capable of serving as a backstop device, and a prefilled syringe using the same. The skirt part provides a backstop function, i.e. it prevents reverse movement of the piston, without increasing production costs.
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