Piston for a syringe and a prefilled syringe using the same
First Claim
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1. A piston for a syringe for sealing an injection barrel filled with a medicament comprising a skirt part capable of serving as a backstop device:
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Abstract
A sealing stopper or piston for a syringe and a prefilled syringe using the same, provided with a backstop function, can be provided without increasing the production cost, which comprises a skirt part capable of serving as a backstop device.
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7 Claims
- 1. A piston for a syringe for sealing an injection barrel filled with a medicament comprising a skirt part capable of serving as a backstop device:
Specification