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    • 3. 发明申请
    • PORT FIXATION WITH VARYING THREAD DIAMETER
    • 端口固定与变化的螺纹直径
    • US20110196206A1
    • 2011-08-11
    • US12987355
    • 2011-01-10
    • Richard Hammond
    • Richard Hammond
    • A61B1/32
    • A61B17/3421A61B2017/3433A61B2017/3482A61B2017/349
    • A surgical portal device for use in an endoscopic procedure includes an elongated body portion dimensioned for insertion through tissue. The body portion includes an outer wall defining a longitudinal axis and having a proximal end, a distal end, and a longitudinal lumen configured to allow a surgical instrument to pass therethrough. A plurality of threaded fixation segments is disposed on an exterior surface of the outer wall of the body portion. The threaded fixation segments are dimensioned and configured to engage tissue surrounding an opening to secure the elongated body at a predefined location within the tissue. The threaded fixation segments include a proximal threaded fixation segment having an average first thread diameter and a distal threaded fixation segment having an average second thread diameter less than the average first thread diameter. In one embodiment, each of the threaded fixation segments have different average thread diameters. The average thread diameters of the threaded fixation segments may gradually increase from a distal-most threaded fixation segment to a proximal-most threaded fixation segment.
    • 用于内窥镜手术的手术入口装置包括尺寸适于插入通过组织的细长主体部分。 主体部分包括限定纵向轴线的外壁,并且具有近端,远端和构造成允许手术器械通过的纵向内腔。 多个螺纹固定段设置在主体部分的外壁的外表面上。 螺纹固定段的尺寸和构造适于接合围绕开口的组织,以将细长体固定在组织内的预定位置。 螺纹固定段包括具有平均第一螺纹直径的近端螺纹固定段和具有小于平均第一螺纹直径的平均第二螺纹直径的远端螺纹固定段。 在一个实施例中,每个螺纹固定段具有不同的平均螺纹直径。 螺纹固定段的平均螺纹直径可以从最远端螺纹固定段逐渐增加到最近端螺纹固定段。
    • 5. 发明申请
    • ACCESS PORT INCLUDING ROTATABLE SEALS
    • 进出口包括可旋转密封件
    • US20110077584A1
    • 2011-03-31
    • US12956128
    • 2010-11-30
    • Richard Hammond
    • Richard Hammond
    • A61B17/34A61M13/00
    • A61B17/3421A61B17/3462
    • A surgical access device includes a housing; an access member extending distally from the housing and being dimensioned for positioning within tissue, and defining a longitudinal axis; and a seal assembly disposed within the housing. The seal assembly includes first and second seal components respectively having first and second seal members. Each of the first and second seal members defines a passage for passage of a surgical object in substantial sealed relation therewith. The first and second seal components are capable of relative rotation about the longitudinal axis between a first position, in which passages of the first and second seal members are in substantial alignment, and a second position where the passages of the first and second seal members are offset to inhibit the communication of fluid through the seal assembly.
    • 外科进入装置包括壳体; 定位构件,其从所述壳体向远侧延伸并且被设计成用于定位在组织内,并限定纵向轴线; 以及设置在所述壳体内的密封组件。 密封组件包括分别具有第一和第二密封构件的第一和第二密封构件。 第一和第二密封构件中的每一个限定了用于与其处于实质密封关系的手术物体通过的通道。 第一密封部件和第二密封部件能够在第一位置和第二位置之间围绕纵向轴线相对旋转,第一位置在第一位置和第二位置之间,第一位置和第二位置,第一和第二密封部件的通道基本对准, 偏移以阻止流体通过密封组件的连通。