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    • 6. 发明申请
    • SPECULUM
    • 窥器
    • WO2008039789A3
    • 2008-05-08
    • PCT/US2007079439
    • 2007-09-25
    • TRINITY ORTHOPEDICS LLCMARINO JAMES F
    • MARINO JAMES F
    • A61B1/32
    • A61B1/32
    • Disclosed are devices and methods for accessing and channeling through biological tissue One embodiment is a bone access tool including a handle assembly and speculum assembly coupled to the handle assembly The handle assembly has First and second portions that are movable relative to one another The speculum assembly has first and second speculum members movably positioned relative to one another The speculum members define an internal shaft arranged about a central axis and a tapered shape when positioned adjacent one another The tapered shape gradually reduces in size from a proximal pm to a distal edge of the speculum assembly The speculum assembly also has at least one nb extending outwardly from each of the first and second speculum members, the pb having an upper surface and an inclined lower surface.
    • 公开了用于进入和引导生物组织的装置和方法一个实施例是一种骨访问工具,其包括联接到手柄组件的手柄组件和窥器组件。手柄组件具有可相对于彼此移动的第一和第二部分。 第一和第二窥器构件相对于彼此可移动地定位。窥器构件限定了围绕中心轴线布置的内部轴线和当彼此相邻定位时的锥形形状。锥形形状从近端pm逐渐减小到窥器的远端边缘 组件窥器组件还具有从第一和第二窥器构件中的每一个向外延伸的至少一个nb,pb具有上表面和倾斜的下表面。
    • 7. 发明申请
    • SPECULUM
    • 窥器
    • WO2008039789A2
    • 2008-04-03
    • PCT/US2007/079439
    • 2007-09-25
    • TRINITY ORTHOPEDICS, LLCMARINO, James, F.
    • MARINO, James, F.
    • A61B1/32
    • A61B1/32
    • Disclosed are devices and methods for accessing and channeling through biological tissue. One embodiment is a bone access tool including a handle assembly and speculum assembly coupled to the handle assembly. The handle assembly has first and second portions that are movable relative to one another. The speculum assembly has first and second speculum members movably positioned relative to one another. The speculum members define an internal shaft arranged about a central axis and a tapered shape when positioned adjacent one another. The tapered shape gradually reduces in size from a proximal rim to a distal edge of the speculum assembly. The speculum assembly also has at least one rib extending outwardly from each of the first and second speculum members, the rib having an upper surface and an inclined lower surface. Actuation of the handle assembly causes the first speculum member and second speculum member to spread apart from one another about the central axis so as to retract anatomical tissue and widen a size of the internal shaft for deploying a tool into the internal shaft between the speculum members.
    • 公开了用于通过生物组织进入和引导的装置和方法。 一个实施例是骨接入工具,其包括联接到手柄组件的手柄组件和窥器组件。 手柄组件具有可相对于彼此移动的第一和第二部分。 窥器组件具有相对于彼此可移动地定位的第一和第二窥镜构件。 窥器构件限定了围绕中心轴布置的内部轴和当彼此相邻定位时的锥形形状。 锥形形状从窥器组件的近边缘到远侧边缘逐渐减小。 窥器组件还具有从第一和第二窥器构件中的每一个向外延伸的至少一个肋,所述肋具有上表面和倾斜的下表面。 手柄组件的致动导致第一窥器构件和第二窥器构件围绕中心轴线彼此分开,以便缩回解剖组织并加宽内轴的尺寸,以将工具展开在窥镜构件之间的内轴中 。