| 摘要 |
<p>A control mechanism for a grasping instrument; said instrument comprising an elongate hollow member provided with a tool at an outer end of said elongate hollow member; said mechanism including spring modulation of force applied to an inelastic tool activating element within said elongate hollow member; said force applied by displacement of an operating handle, and wherein said force is limited to the force exerted by said spring when said spring is at a maximum predetermined compression.</p> |
