Stapler includes a housing,Intraluminal Stapler a center rod and a push tube. The center rod is set in the push tube. The front end of the center rod is equipped with a nail cover. The rear end is connected to the adjusting knob at the rear of the housing through a screw. The excitation surface is provided on the outer surface of the housing. The excitation handle is movably connected to the casing through a hinge,Intraluminal Stapler and is characterized in that:Intraluminal Stapler a link mechanism is provided in the stapling device, three connecting rods are respectively connected to the excitation handle,Intraluminal Stapler the inner wall of the casing and the push tube, and one end of the three connecting rods are connected at On the same living hinge;Intraluminal Stapler the three connecting rods of the link mechanism include a power rod,Intraluminal Stapler a support rod and a sports rod; the power rod and the excitation handle are hinged;Intraluminal Stapler the support rod and the housing are connected by a living hinge; Intraluminal Stapler the sports rod and the push tube are Living hinge connection. The stapler of the utility model has simple structure,Intraluminal Stapler convenient operation and strong stability.

The connecting structure of the push rod and the ring knife of the digestive tract anastomat includes a push rod Intraluminal Stapler and a ring knife fixedly connected with the push rod. A plurality of push nail pieces arranged in the circumferential direction are arranged on the outer side of the ring knife. The end of the ring knife is embedded on the push rod. Because the end of the ring knife is embedded on the push rod,Intraluminal Stapler the concentricity of the ring knife and the push rod is high. During the process of cutting the tissue,Intraluminal Stapler the ring knife can sit smoothly In the middle,Intraluminal Stapler the surgical success rate is high.