发明授权
- 专利标题: Piston for a syringe and a prefilled syringe using the same
- 专利标题(中): 用于注射器的活塞和使用其的预充式注射器
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申请号: US10947258申请日: 2004-09-23
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公开(公告)号: US07927315B2公开(公告)日: 2011-04-19
- 发明人: Masamichi Sudo , Morihiro Sudo
- 申请人: Masamichi Sudo , Morihiro Sudo
- 申请人地址: JP Tokyo
- 专利权人: Daikyo Seiko, Ltd.
- 当前专利权人: Daikyo Seiko, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Wenderoth, Lind & Ponack, L.L.P.
- 优先权: JP2003-419685 20031217
- 主分类号: A61M5/315
- IPC分类号: A61M5/315
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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