The surgical stapler includes a shell, a central rod and a pushing tube. The central rod is arranged within the pushing tube. The front end of the central rod is equipped with a staple cover, and the back end is connected with the adjusting knob at the end of the shell through a screw. The external surface of the shell is equipped with an excitation handle, which is movably connected with the shell through a hinge. The main working principle is to use titanium staples to break or anastomose the tissues, similar to a stapler.
The surgical stapler is characterized in that: the stapler is provided with a connecting rod structure, in which three connecting rods are respectively connected with the excitation handle, the inner wall of the shell and the push pipe, and one end of all the three connecting rods is connected to the same movable hinge; the three connecting rods of the connecting rod structure include a power rod, a support rod and a moving rod; the power rod and the excitation handle are hinged; the support rod and the shell are connected by a movable hinge; the moving rod and the push tube is connected by a movable hinge.
The medical stapler for sale like the surgical linear stapler and the digestive tract stapler of the utility model has the advantages of simple structure, convenient operation and strong stability. The connecting structure of the push rod of the digestive tract stapler and the ring knife includes a push rod and a ring knife which are fixedly connected with the push rod. The outside of the ring knife is provided with a plurality of push staple pieces arranged along the circumference. The push rod is embedded with one end of the ring knife, so the concentricity of the ring knife and the push rod is high. During the cutting organization process, the circular knife can fall in the middle smoothly, and the success rate of the operation is high.