×

Surgical instrument with multiple clamping mechanisms

  • US 9,241,728 B2
  • Filed: 03/15/2013
  • Issued: 01/26/2016
  • Est. Priority Date: 03/15/2013
  • Status: Active Grant
First Claim
Patent Images

1. A surgical instrument, comprising:

  • a shaft comprising a proximal end and a distal end;

    an end effector extending from the distal end of the shaft, wherein the end effector is operable to grasp tissue;

    a handle extending from the proximal end, wherein the handle comprises a gripping portion; and

    a trigger assembly extending from the handle, wherein the trigger assembly comprises a trigger movable relative to the gripping portion between an unactuated position and a first actuated position and a second actuated position, wherein the trigger is operable to control the end effector to selectively grasp tissue at a first compressive force when the trigger is in the first actuated position and a second compressive force when the trigger is in the second actuated position;

    wherein the trigger assembly comprises;

    a yoke longitudinally slideable relative to the handle and longitudinally engaging the trigger;

    a link arm comprising a slot; and

    a trigger pin disposed in the slot, wherein the trigger pin links the trigger and link arm;

    wherein the trigger pin engages a first portion of the slot when the trigger is in the first actuated position and a second portion of the slot when the trigger is in the second actuated position.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×