Patent ID: 11864759
Assignee: COVIDIEN LP
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
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.