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发明公开
CN108366807A 具有卡扣夹持垫的超声外科器械夹持臂 有权

具有卡扣夹持垫的超声外科器械夹持臂
摘要：
本发明提供了一种用于对组织进行操作的设备，所述设备包括主体、轴组件和端部执行器。所述轴组件从所述主体朝远侧延伸并且包括声波导。所述波导被构造成能够与超声换能器声学联接。所述端部执行器包括超声刀、夹持臂和夹持垫。所述刀与所述波导声学连通。所述夹持臂被构造成能够围绕第一枢轴点朝向和远离所述超声刀枢转并且包括联接特征部。所述夹持垫可选择性地附接到所述刀以使所述夹持臂与所述超声刀声学隔离。所述夹持臂的所述联接特征部被构造成能够在所述夹持垫与所述夹持臂之间提供卡扣配合并从而允许操纵所述夹持垫以从所述夹持臂移除所述夹持垫。
摘要（英）：

An apparatus for operating on tissue includes a body, a shaft assembly, and an end effector. The shaft assembly extends distally from the body and includes an acoustic waveguide. The waveguide is configured to acoustically couple with an ultrasonic transducer. The end effector includes an ultrasonic blade, a clamp arm, and a clamp pad. The blade is in acoustic communication with the waveguide. The clamp arm is configured to pivot about a first pivot point toward and away from the ultrasonic blade and includes a coupling feature. The clamp pad is selectively attachable to the blade to acoustically isolate the clamp arm from the ultrasonic blade. The coupling feature of the clamp arm is configured to provide a snap fit between the clamp pad and the clamp arm and thereby permit manipulation of the clamp pad for removal of the clamp pad from the clamp arm.

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