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2. 发明授权

US06210397B1 Sealing cannula device 有权
标题翻译：密封套管装置
公开(公告)号：US06210397B1
公开(公告)日：2001-04-03
申请号：US09229806
申请日：1999-01-13
申请人： Walid Najib Aboul-Hosn , William Russell Kanz , Roland W. Ziegler
发明人： Walid Najib Aboul-Hosn , William Russell Kanz , Roland W. Ziegler
IPC分类号： A61M2516
CPC分类号： A61B17/3423 , A61B2017/3484 , A61B2017/349 , A61B2017/3492 , A61M25/02 , A61M2025/0079 , A61M2025/0233 , A61M2025/028
摘要： This invention relates to a sealing cannula device which can be easily and properly inserted while effectively sealing an incision made during a surgical or non-surgical process. The sealing cannula device includes a cannula sleeve having an external flange and tissue engaging threads. The screw threads on the external surface of the cannula sleeve allows the device to be easily screwed through an incision made in a body cavity wall or blood vessel until the tissue abuts against the flange. The vessel or body cavity wall is compressed between the flange and a flat surface formed by the helical thread. An effective compression seal is formed between the device and cavity or vessel wall which protects the puncture site from environmental contaminants. An axial through hole in the device provides vascular or body cavity access during surgical or non-surgical procedures.
摘要翻译：本发明涉及一种密封套管装置，其可以容易且适当地插入，同时有效地密封在手术或非外科手术过程中制成的切口。密封套管装置包括具有外部凸缘和组织接合螺纹的套管套管。套管套管外表面上的螺纹允许装置容易地通过在体腔壁或血管中形成的切口旋拧，直到组织抵靠凸缘。容器或体腔壁在凸缘和由螺旋形螺纹形成的平坦表面之间被压缩。在装置和腔或容器壁之间形成有效的压缩密封，其保护穿刺部位免受环境污染物的影响。装置中的轴向通孔在手术或非外科手术过程中提供血管或体腔通路。

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