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    • 1. 发明授权
    • Anvilless surgical apparatus for applying surgical fasteners
    • 用于外科紧固件的无缝手术装置
    • US5258010A
    • 1993-11-02
    • US982025
    • 1992-11-24
    • David T. GreenHenry BolanosHenry R. SienkiewiczWayne C. Person
    • David T. GreenHenry BolanosHenry R. SienkiewiczWayne C. Person
    • A61B17/068A61B17/00
    • A61B17/0682
    • An anvilless surgical apparatus is provided for applying surgical fasteners to secure grafting material to a desired layer of tissue. The apparatus includes a housing having a nose portion at a distal end and a handle at its proximal end. A surgical fastener cartridge is mounted in the nose portion and is adapted to receive a plurality of surgical fasteners in longitudinal alignment therein. The cartridge is generally oriented substantially perpendicular to the handle. A drive shaft is provided within the housing for driving the surgical fasteners through the grafting material and at least partially into the layer of underlying tissue. The drive shaft is actuable by the handle and general has a pusher rod movable between a distal fired position and a retracted proximal loaded position. A releasing mechanism is provided in the handle for releasing the pusher rod from its retracted proximal position to cause it to thrust forward with sufficient force to contact a crown portion of a surgical fastener to drive it directly through the grafting material and at least partially into the tissue without forming a surgical fastener.
    • 提供无孔手术装置用于施加手术紧固件以将移植材料固定到期望的组织层。 该装置包括具有在远端处的鼻部和其近端处的手柄的壳体。 手术紧固件盒安装在鼻部中并且适于在其中纵向对准地容纳多个外科紧固件。 药筒通常基本上垂直于手柄定向。 驱动轴设置在壳体内,用于通过移植材料驱动外科紧固件,并至少部分地进入下面的组织层。 驱动轴可以由手柄致动,并且通常具有可在远侧点火位置和缩回的近侧装载位置之间移动的推杆。 释放机构设置在手柄中,用于将推杆从其缩回的近侧位置释放,以使其以足够的力向前推动以接触手术紧固件的冠部,以将其直接驱动通过移植材料并且至少部分地进入 组织而不形成手术紧固件。