发明授权
- 专利标题: Liquid infusion device
- 专利标题(中): 液体输液装置
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申请号: US200987申请日: 1988-06-01
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公开(公告)号: US4909790A公开(公告)日: 1990-03-20
- 发明人: Hajime Tsujikawa , Toshiki Yoshida
- 申请人: Hajime Tsujikawa , Toshiki Yoshida
- 申请人地址: JPX Osaka
- 专利权人: Nissho Corporation
- 当前专利权人: Nissho Corporation
- 当前专利权人地址: JPX Osaka
- 优先权: JPX62-152971 19870618; JPX62-204791 19870817; JPX62-294809 19871120
- 主分类号: A61M5/152
- IPC分类号: A61M5/152
摘要:
A liquid infusion device comprises a bladder assembly and a flow-regulating portion. The bladder assembly comprises a tubular outer shaft, an inner shaft slidably received within the outer shaft and a bladder covering the outer and inner shafts. The bladder can inflate in both its radial and axial directions whereby reducing the residual amounts of a liquid drug in the bladder on dispensation of the liquid drug. The flow-regulating portion comprises a pipe having at least one small hole or a pipe having a very small diameter, so that the accurate regulation of the liquid drug can be performed.
公开/授权文献
- US6099103A Ink droplet ejecting method and apparatus 公开/授权日:2000-08-08