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发明公开
CN108135630A 具有双模式端部执形器的外科器械和具有棘爪的复合杆 有权

具有双模式端部执形器的外科器械和具有棘爪的复合杆
摘要：
本发明提供了一种外科器械，所述外科器械包括主体、超声刀、夹持臂组件和棘爪组件。所述夹持臂组件包括在枢转组件处与所述主体以能够枢转的方式联接的夹持臂。所述夹持臂能够操作以抵靠所述超声刀压缩组织。所述棘爪组件被构造成能够为所述夹持臂相对于所述主体的超过预定枢转角度的枢转运动提供触觉阻力。所述棘爪组件被构造成能够当施加足以克服所述触觉阻力的力时，允许所述夹持臂相对于所述主体的超过预定枢转角度的枢转运动。
摘要（英）：

The invention provides a surgical instrument which includes a body, an ultrasonic blade, a clamp arm assembly, and a detent assembly. The clamp arm assembly includes a clamp arm pivotably coupled withthe body at a pivot assembly. The clamp arm is operable to compress tissue against the ultrasonic blade. The detent assembly is configured to provide tactile resistance to pivotal movement of the clamp arm relative to the body beyond a predefined pivot angle. The detent assembly is configured to permit pivotal movement of the clamp arm relative to the body beyond a predefined pivot angle upon application of a force sufficient to overcome the tactile resistance.

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