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    • 9. 发明授权
    • Active seal components
    • 主动密封组件
    • US08241209B2
    • 2012-08-14
    • US12479092
    • 2009-06-05
    • Frederick E. Shelton, IVCharles J. ScheibJerome R. MorganCarl J. Shurtleff
    • Frederick E. Shelton, IVCharles J. ScheibJerome R. MorganCarl J. Shurtleff
    • A61B1/32
    • A61B17/3423A61B90/98A61B2017/00398A61B2017/3445A61B2017/3466
    • Methods and devices are provided to allow for easy manipulation of a configuration and/or an orientation of seal elements of a surgical access device by an end user. In one exemplary embodiment a surgical access device is provided that includes a retractor configured to be positioned within a surgical incision to provide access to a body cavity, seal elements disposed within a lumen of the retractor, and adjustment mechanisms in communication with the seal elements and which are configured to manipulate an orientation of one or more of the seal elements. Types of adjustment mechanisms capable of manipulating the seal elements as desired include inflatable bladders and electroactive polymers. Exemplary methods for providing easy manipulation of the configuration and/or orientation of seal elements of a surgical access device on location are also provided.
    • 提供了方法和装置,以允许最终用户容易地操纵外科进入装置的构造和/或定向的密封元件。 在一个示例性实施例中,提供了一种手术进入装置,其包括构造成定位在手术切口内的牵开器,以提供对体腔的通路,设置在牵开器的内腔内的密封元件,以及与密封元件连通的调节机构, 其构造成操纵一个或多个密封元件的取向。 能够根据需要操纵密封元件的调节机构的类型包括可膨胀气囊和电活性聚合物。 还提供了用于提供对位置上的外科进入装置的密封元件的构造和/或取向的容易操作的示例性方法。