发明授权
US08287501B2 Pen needle assembly 有权
笔针组装

  • 专利标题: Pen needle assembly
  • 专利标题(中): 笔针组装
  • 申请号: US12863097
    申请日: 2009-01-13
  • 公开(公告)号: US08287501B2
    公开(公告)日: 2012-10-16
  • 发明人: Min Wei
  • 申请人: Min Wei
  • 申请人地址: US NJ Franklin Lakes
  • 专利权人: Becton, Dickinson and Company
  • 当前专利权人: Becton, Dickinson and Company
  • 当前专利权人地址: US NJ Franklin Lakes
  • 代理机构: Hoffmann & Baron, LLP
  • 国际申请: PCT/US2009/030800 WO 20090113
  • 国际公布: WO2009/091709 WO 20090723
  • 主分类号: A61M5/32
  • IPC分类号: A61M5/32
Pen needle assembly
摘要:
A pen needle assembly is provided herein having a hub with a distal end and a proximal end; a needle fixed to the hub and having a distal end, for insertion into a patient, and a proximal end; an inner shield disposed proximally of the hub; a spring disposed between the inner shield and the hub and configured to bias the hub distally; an outer shield with a distal end, a proximal end, and a tubular body at least partially encircling a portion of the needle with at least portions located radially outward further from the needle than the inner shield such that the outer shield at least partially encases the hub, the needle, the inner shield, and the spring; and a releasable retaining assembly configured to releasably retain the hub in a first locked state against the biasing of the spring. The distal end of the needle is covered by the outer shield with the hub being in the first locked state. Upon release of the releasable retaining assembly, the hub moves under force of the spring to an unlocked second state. In the unlocked second state, the distal end of the needle extends distally from the distal end of the outer shield. Advantageously, with the arrangement of the subject invention, an injection may be conducted properly by a person apprehensive of seeing a needle during a medical injection and may also help the person insert the needle at a proper angle.
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