CPC A61B 17/07207 (2013.01) [A61B 17/00234 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/07257 (2013.01); A61B 2017/07271 (2013.01); A61B 2017/07285 (2013.01)] | 19 Claims |
1. A loading unit for a surgical apparatus comprising:
a shaft assembly;
an end effector extending from the shaft assembly;
an articulation rod positioned to articulate the end effector relative to the shaft assembly between an unarticulated position and an articulated position;
a pivot guide that has a distal end portion pivotally coupled to a proximal end portion of the end effector and having an arcuate inner surface and a curved outer surface, the curved outer surface maintaining the pivot guide in position to guide a beam assembly along a predetermined path when the end effector is in the articulated position; and
a fire lock assembly movable in response to movement of the articulation rod, the fire lock assembly including a spring and a fire lock, the spring configured to urge the fire lock toward a first position to selectively prevent the beam assembly from advancing through the end effector for preventing the end effector from firing.
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