THE WORKING PRINCIPLE AND THE CHARACTERISTICS OF THE SURGICAL STAPLER
The surgical stapler includes the shell, the center rod, and the push tube. A center rod is set in the push tube. On the front end of the center, the rod is equipped with a nail cover. The rear end is connected to the adjusting knob at the rear of the shell through the screw, and on the surface of the shell is equipped with a triggering handle. The triggering handle is movably connected to the shell through a hinge. The main working principle of the surgical stapler is to use titanium nails to disconnect or anastomose the tissue, which is similar to a stapler.
principle characteristics
The surgical stapler is characterized in that: a link mechanism is arranged in surgery instruments, three connecting rods are respectively connected with the triggering handle, the inner wall of the casing and the push tube, and the end of the three connecting rods are connected to the same living hinge. The three-link mechanisms of the connecting rod include the power rod, the support rod, and the sports rod; the power rod and the triggering handle are hinged and the support rod and the housing are connected by a living hinge; the sports rod and the push tube are connected by a living hinge. The practical and new-model stapler has advantages like simple structure, convenient operation, and strong stability. The connecting structure of the ring knife and the push rod of the digestive tract stapler includes the pushrod and a ring knife fixedly connected with the pushrod. On the outside of the ring knife stated above, are set with the pad cutter rings arranged in the circumferential direction. The end of the ring knife is embedded in the pushrod. Because the end of the ring knife is embedded on the push rod, the concentricity of the ring knife and the push rod is high. When it is cutting the tissue, the ring knife can sit smoothly in the middle, so that the surgical success rate will be high.
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