发明授权
- 专利标题： Cannula assembly having conductive cannula
- 专利标题（中）： 插管组件具有导电套管
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申请号： US885467申请日： 1992-05-19
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公开(公告)号： US5387196A公开(公告)日： 1995-02-07
- 发明人: David T. Green , H. Jonathan Tovey , Robert C. Smith , Henry Bolanos
- 申请人： David T. Green , H. Jonathan Tovey , Robert C. Smith , Henry Bolanos
- 申请人地址： CT Norwalk
- 专利权人： United States Surgical Corporation
- 当前专利权人： United States Surgical Corporation
- 当前专利权人地址： CT Norwalk
- 主分类号： A61B17/00
- IPC分类号： A61B17/00 ; A61B17/34 ; A61B18/00 ; A61B18/14 ; A61M5/178
摘要：
A conductive cannula assembly is disclosed to dissipate possible, accumulated electrical charges through body tissue. The cannula assembly includes cannula housing means and cannula means formed of a material having an electrical conductivity value which is at least fifty percent the conductivity value of silver. The invention also includes cannula assembly accessories formed of a material having an electrical conductivity value which is at least fifty percent the conductivity value of silver. The invention further provides a method for guiding endoscopic instruments into body tissue utilizing the cannula assembly and the cannula assembly accessories of the present invention.