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    Wound retraction apparatus and method
    2.
    发明授权
    Wound retraction apparatus and method 有权
    伤口收缩装置及方法

    公开(公告)号：US07377898B2

    公开(公告)日：2008-05-27

    申请号：US11755305

    申请日：2007-05-30

    申请人： Richard C Ewers ,  John R Brustad ,  Edward D Pingleton ,  Nabil Hilal ,  Payam Adlparvar ,  Scott V Taylor ,  Gary R Dulak ,  Michael J Dunn ,  Norman L Morales ,  Charles C Hart ,  Robert R Bowes

    发明人： Richard C Ewers ,  John R Brustad ,  Edward D Pingleton ,  Nabil Hilal ,  Payam Adlparvar ,  Scott V Taylor ,  Gary R Dulak ,  Michael J Dunn ,  Norman L Morales ,  Charles C Hart ,  Robert R Bowes

    IPC分类号： A61B1/32

    CPC分类号： A61B1/32 ,  A61B17/0293 ,  A61B17/3423 ,  A61B17/3431 ,  A61B2017/3484

    摘要： A surgical wound retractor is adapted to dilate a wound stretchable to a desired diameter, the retractor includes a first ring having a diameter greater than that desired for the wound and being adapted for disposition interiorly of the wound. A second ring has a diameter greater than that desired for the wound and is adapted for disposition exteriorly of the wound. A plurality of retraction elements are disposed in a generally cylindrical relationship to each other, between the first ring and the second ring. These elements extend through the wound to exert a radial retraction force on the wound which is dependent on the distance separating the first ring and the second ring Retraction elements, both distensible and non-distensible are contemplated with appropriate attachment means at the rings to provide for variations in the retraction force. With a suitable retraction sleeve, a third ring can be provided to form a circumferential retainer to vary the retraction force. Rings can also be made inflatable or self-expanding to vary the retraction force. An associated method includes the step of rolling the second ring circumferentially of the third ring to form the circumferential retainer.

    摘要翻译： 外科伤口牵开器适于将可拉伸至期望直径的伤口扩张，牵开器包括直径大于伤口所需直径的第一环，并适于在伤口内部配置。 第二环的直径大于伤口所需的直径，并且适于在伤口的外部配置。 多个退回元件在第一环和第二环之间以大致圆柱形的关系设置。 这些元件延伸穿过伤口以在伤口上施加径向缩回力，这取决于分离第一环和第二环的距离，缩回元件是可伸长的和不可扩张的，在环处有合适的附接装置，以提供 收缩力的变化。 利用合适的缩回套筒，可以提供第三环以形成圆周保持器以改变收回力。 环也可以制成充气或自膨胀以改变收缩力。 相关联的方法包括在第三环周向滚动第二环以形成周向保持器的步骤。

    High flow-low pressure irrigation system
    3.
    发明授权
    High flow-low pressure irrigation system 有权
    高流量低压灌溉系统

    公开(公告)号：US08308710B2

    公开(公告)日：2012-11-13

    申请号：US10491657

    申请日：2002-08-29

    申请人： Jaime Landman ,  Ralph V. Clayman ,  Richard C Ewers

    发明人： Jaime Landman ,  Ralph V. Clayman ,  Richard C Ewers

    IPC分类号： A61M25/00

    CPC分类号： A61M25/007 ,  A61M25/0032 ,  A61M25/0041 ,  A61M25/0068 ,  A61M27/008 ,  A61M31/00 ,  A61M2025/0004 ,  A61M2025/0034 ,  A61M2025/0073 ,  A61M2025/0681 ,  A61M2205/3331 ,  A61M2210/1082

    摘要： A high-flow low-pressure irrigation system for directing a fluid to and recovering the fluid from an area within a body, the irrigation system comprising a sheath defining a sheath lumen and a flexible catheter disposed in and through the sheath lumen. The catheter defines a catheter lumen and comprises a plurality of apertures at a distal portion that curls in a pigtail configuration. The fluid is directed and outputted to the body area through the catheter lumen and the apertures, and the outputted fluid is recovered and returned through the sheath lumen.

    摘要翻译： 一种高流量低压灌溉系统，用于将流体引导到体内的区域并从其中回收流体，所述灌溉系统包括限定护套管腔的护套和设置在鞘腔中并穿过鞘管腔的柔性导管。 导管限定导管内腔，并且包括在末端部分处以辫状构型卷曲的多个孔。 流体通过导管腔和孔被引导并输出到身体区域，并且输出的流体被回收并通过鞘管返回。