The stapler is the world's first stapler for gastrointestinal anastomosis for nearly a century, until the tube stapler was widely used in gastrointestinal surgery in 1978. Generally divided into one-time or multiple-use stapler, imported or domestic stapler. It is an alternative to traditional hand-stitching equipment used in medicine. Due to the development of modern technology and the improvement of production technology, the stapler currently used in clinical practice is reliable in quality, convenient to use, tight and elastic, especially its suturing is fast and easy to operate. And there are few side effects and surgical complications, and sometimes the tumor surgery that can not be removed in the past can be removed, which is very popular and praised by clinical surgeons at home and abroad.
The stapler comprises a shell, a central rod and a push tube, the central rod is arranged in the push tube, the front end of the center rod is provided with a nail cover, and the rear end is connected with the adjusting knob of the tail of the housing through the screw, and an excitation handle is arranged on the outer surface of the shell. The excitation handle is movably connected to the housing through a hinge, wherein the anchoring device is provided with a link mechanism, and the three connecting rods are respectively connected with the excitation handle, the inner wall of the housing and the push tube, and one end of the three connecting rods are connected The same living hinge; the three links of the linkage mechanism include a power rod, a support rod and a motion rod; the power rod and the excitation handle are hinged; the support rod and the housing are connected by a living hinge; between the motion rod and the push tube Living hinge connection. The stapler of the utility model has the advantages of simple structure, convenient operation and strong stability. a push rod and a ring cutter connecting structure of the digestive tract anastomat, comprising a push rod and a ring cutter fixedly connected with the push rod, wherein the outer side of the annular knife is provided with a plurality of push nail pieces arranged in a circumferential direction, One end of the annular knife is embedded on the push rod. Since one end of the annular knife is embedded on the push rod, the concentricity of the annular knife and the push rod is high, and the circular knife can sit satisfactorily during the cutting process. In the middle, the success rate of surgery is high.