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    • 1. 发明授权
    • Surgical sleeve and trocar
    • 手术套和套管针
    • US5512053A
    • 1996-04-30
    • US168818
    • 1993-12-16
    • Ronald W. PearsonSteven S. GoldenKurt B. SpoonemoreDonald E. ExlineCarroll Hewitt
    • Ronald W. PearsonSteven S. GoldenKurt B. SpoonemoreDonald E. ExlineCarroll Hewitt
    • A61B17/34A61M5/00
    • A61B17/3462A61B17/3496A61B2017/3484
    • A surgical sleeve includes a housing and inner and outer sleeves coupled to the housing. A modular expandable hinge member is coupled to the outer sleeve and defines a radially expandable member to prevent inadvertent withdrawal of the surgical sleeve from a body cavity. A trigger is carried by the housing to cause relative movement between the inner and outer sleeves and radial expansion of the expandable member. The housing is further provided with a transversely slidable reducer assembly having three outer diameter seals for sealing against the exterior of surgical instruments having a variety of outer diameters. A trocar is provided for use with the surgical sleeve that is modular in construction and includes a shaft member and a modular, tubular, metallic cutting portion. The cutting portion forms only a portion of the trocar spike and the length of the shaft member governs the overall length of the trocar.
    • 手术套筒包括壳体和联接到壳体的内部和外部套筒。 模块化可扩张铰链构件联接到外套筒并且限定可径向扩张的构件,以防止手术套筒意外从身体腔撤出。 触发器由壳体承载以引起内套筒和外套筒之间的相对运动以及可扩张构件的径向膨胀。 壳体还设置有横向可滑动的减速器组件,其具有三个外径密封件,用于密封具有各种外径的外科器械的外部。 提供一种套管针,用于外科套筒,其结构是模块化的,并且包括轴构件和模块化的管状金属切割部分。 切割部分仅形成套针针钉的一部分,并且轴部件的长度控制套管针的整个长度。