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    • 3. 发明申请
    • FOAM PORT AND INTRODUCER ASSEMBLY
    • 泡沫端口和引言组件
    • US20100249524A1
    • 2010-09-30
    • US12719341
    • 2010-03-08
    • Jeffrey E. RansdenLeland R. AdamsJoel N. HelferAlan B. BachmanAdam I. Lehman
    • Jeffrey E. RansdenLeland R. AdamsJoel N. HelferAlan B. BachmanAdam I. Lehman
    • A61B1/32
    • A61B17/3423A61B17/3431A61B17/3468A61B2017/00535A61B2017/3429A61B2017/3437A61B2017/3447
    • A surgical portal and introducer assembly includes an introducer defining a longitudinal axis and having a longitudinal passageway and a portal member positionable within the longitudinal passageway of the introducer. The portal member is adapted for positioning within a tissue tract and has at least one longitudinal port for passage of a surgical object. The portal member comprises a compressible material and is adapted to transition between a first expanded condition to facilitate securing of the portal member within the tissue tract and in substantial sealed relation with tissue surfaces defining the tissue tract and a second compressed condition to facilitate at least partial insertion of the portal member within the tissue tract. The assembly may include an expandable restraining member at least partially disposed within the longitudinal passageway of introducer. The restraining member is adapted to expand and compress the portal member to cause the portal member to assume the compressed condition thereof, to thereby facilitate passage of the portal member through the longitudinal passageway of the introducer and into the tissue tract.
    • 手术入口和导引器组件包括限定纵向轴线并具有纵向通道和入口构件的引导器,所述纵向通道和入口构件可定位在导引器的纵向通道内。 入口构件适于定位在组织管道内并且具有至少一个纵向端口用于外科手术物体的通过。 入口构件包括可压缩材料,并且适于在第一膨胀状态之间转变,以有利于将门静脉构件固定在组织管道内,并且与限定组织管道的组织表面基本上密封的关系以及第二压缩状态以促进至少部分 将入口构件插入组织道内。 组件可以包括至少部分地设置在导引器的纵向通道内的可扩张限制构件。 限制构件适于膨胀和压缩入口构件以使入口构件呈现其压缩状态,从而便于入口构件通过导引器的纵向通道并进入组织道。