1. First, the nurse needs to hold the handle of the laparoscopic stapler vertically with her left hand, with the interface facing each other.
2. Secondly, rotate the cutter head handle with your right hand clockwise to tighten it, and then use a torque wrench to tighten it.
3. Finally, you can hear two clicks. Pay attention to keeping the cutter head closed when the torque wrench is moved in and out.