Method for surgical stapling and cutting device with dual actuating control knob

A method for connecting a surgical end effector control assembly to a control handle, which comprises:

• providing a control shaft assembly having a longitudinal axis with a distal end effector assembly at least partially actuated by a displacement of an actuating part parallel to the longitudinal axis;
• providing the control shaft assembly with a proximal handle connector having a rotating link operable to connect the control shaft assembly to a control handle rotatably about the longitudinal axis;
• and
• fixing an end effector two-function control device:
• rotationally to at least part of the control shaft assembly to couple rotation of the two-function control device, the control shaft assembly, and the end effector assembly about the longitudinal axis;
• and
• longitudinally to the actuating part to couple longitudinal movement of the two-function control device and the actuating part with respect to the control shaft assembly.