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    • 3. 发明授权
    • Surgical fastener applying apparatus
    • 手术紧固件施加装置
    • US5443198A
    • 1995-08-22
    • US271580
    • 1994-07-07
    • Frank J. ViolaJohn C. Robertson
    • Frank J. ViolaJohn C. Robertson
    • A61B17/072A61B17/115
    • A61B17/072A61B17/115A61B17/1155A61B2017/0725
    • A surgical apparatus for applying staples or fasteners to tissue to form a circular anastomosis having an adjustable closure mechanism to rapidly approximate the distance between the anvil member and the fastener assembly of the instrument. The adjustable closure mechanism provides for rapid approximation during an initial movement and for fine adjustment of the distance between the anvil member and the fastener assembly upon subsequent movement of the closure mechanism. The closure mechanism consists of an advancing mechanism which operates in a two stage advancement, such that initial movement of the advancing mechanism moves the anvil member a greater distance than a subsequent movement of the advancing mechanism.
    • 一种用于将钉或紧固件施加到组织以形成圆形吻合的手术装置,其具有可调节的关闭机构,以快速近似所述砧构件和所述器械的所述紧固件组件之间的距离。 可调闭合机构在初始运动期间提供快速近似,并且用于在闭合机构的随后移动时对砧构件和紧固件组件之间的距离进行微调。 闭合机构由前进机构构成,前进机构以两级前进运行,使得前进机构的初始运动使砧座构件比推进机构的后续运动更大的距离。
    • 4. 发明授权
    • Gear driven knife drive mechanism
    • 齿轮驱动刀驱动机构
    • US08910846B2
    • 2014-12-16
    • US11804104
    • 2007-05-17
    • Frank J. Viola
    • Frank J. Viola
    • A61B17/04A61B17/072A61B17/29A61B17/00
    • A61B17/07207A61B2017/00685A61B2017/2927A61B2017/2934A61B2017/2937A61B2017/2943
    • A surgical apparatus includes a handle assembly, an elongated body portion defining a first longitudinal axis, a tool assembly pivotally supported on the distal end of the elongated body portion to form a pivot axis, and a flexible drive assembly that includes a flexible drive member extending from a position proximal of the pivot axis to a position distal of the pivot axis. The drive member has a distal end which is movable in relation to the tool assembly and a gear drive assembly to enable movement of the distal end of the flexible drive member. The flexible drive assembly includes a flexible knife drive beam that advances or retracts via a primary drive gear meshing with the flexible knife drive beam to effect movement of the flexible knife drive beam.
    • 手术装置包括手柄组件,限定第一纵向轴线的细长主体部分,枢轴地支撑在细长主体部分的远端上以形成枢转轴线的工具组件,以及柔性驱动组件,其包括弹性驱动部件, 从枢转轴线的近端位置到远离枢转轴线的位置。 驱动构件具有相对于工具组件可移动的远端和用于使柔性驱动构件的远端能够移动的齿轮驱动组件。 柔性驱动组件包括柔性刀驱动梁,其通过与柔性刀驱动梁啮合的主驱动齿轮前进或缩回以实现柔性刀驱动梁的运动。
    • 10. 发明授权
    • Flexible endoluminal surgical instrument
    • 柔性腔内手术器械
    • US08308044B2
    • 2012-11-13
    • US12761562
    • 2010-04-16
    • Frank J. Viola
    • Frank J. Viola
    • A61B17/068A61B17/072
    • A61B17/068A61B17/07207A61B2017/00398A61B2017/2903A61B2017/2905A61B2017/2943
    • A surgical instrument comprises a first elongated member and a second elongated member, the first elongated member and the second elongated member being operatively connected and configured to rotate in opposite directions to substantially limit counter torque. The first and second elongated members are flexible shafts. The surgical instrument can be configured to apply fasteners to a tissue portion. This embodiment of the surgical instrument includes a cartridge having a plurality of fasteners, an anvil, said anvil and cartridge being relatively movable between spaced and approximated positions, and a sled disposed in the cartridge. The sled includes a cam member. The cam member is designed to drive the fasteners through tissue and toward the anvil.
    • 手术器械包括第一细长构件和第二细长构件,第一细长构件和第二细长构件可操作地连接并构造成沿相反方向旋转以基本上限制反向扭矩。 第一和第二细长构件是柔性轴。 外科器械可以被配置成将紧固件应用于组织部分。 手术器械的该实施例包括具有多个紧固件的砧座,砧座,所述砧座和钉仓可在间隔和近似的位置之间相对移动,以及设置在所述钉仓中的滑橇。 雪橇包括一个凸轮部件。 凸轮构件被设计成驱动紧固件穿过组织并朝向砧座。