· Cam design: Keep the staple anvil and the staple chamber of the device always close to parallel and equidistant.

· Tissue positioning button in the front and tissue stop column in the back: Prevent too much tissue from being pulled in.

· The movable handle is provided with a middle lock for positioning, which can make the jaws always in an elastic open state.

· Empty protection of staple chamber: Prevent repeated excitation after the excitation of the stapler or when the staple chamber is empty.