The combined part of the purse stapler
The purse suture device comprises a rod part and a suture head, which comprises a fixed clamp and a movable clamp arranged at the clamping end. The fixed clamp and the movable clamp are respectively provided with a pinhole along the longitudinal direction. The rod part comprises a push rod, a feed sleeve and an outer tube sleeve which are nested from inside to outside and can move relatively. One end of the push rod is connected to the connecting end of the moving clamp to control the parallel clutch movement of the moving clamp relative to the fixed clamp. One end of the feeding sleeve is connected to the connecting end of the clamping clamp to control the conversion between the horizontal position of the clamping clamp in a straight line with the rod part and the vertical position of the rod part; One end of the outer pipe sleeve rotates and is connected to the connecting end of the fixed clamp; And the connecting end of the fixed clamp is a C-type structure, and the connecting end of the moving clamp is arranged in the C-type structure to carry out the parallel clutch movement relative to the fixed clamp.
With the continuous improvement of surgical technology, minimally invasive laparoscopic surgery based on human internal organs is becoming more and more significant. Laparoscopic esophagojejunal suture is a very typical example. Esophagojejunal suture is usually performed in conjunction with laparoscopic distal gastrectomy. Laparoscopic distal total gastrectomy is commonly used as an open procedure to treat early gastric cancer. However, in order to ensure the integrity of the digestive and absorption system after resection, esophagojejunal suture is needed to anastomose the end of the esophagus to the duodenum.
There are two suture methods for esophageal jejunum suture:
direct suture and purse suture. Direct suture is a traditional suture method. However, studies have shown that patients using this suture method have a high rate of infection at the surgical site in a period of time after surgery, accompanied by complications, while purse string suture can effectively avoid such a situation, so it is gradually promoted as a modern suture method.
As a minimally invasive procedure, purse suture requires five holes in the patient's abdomen: left upper hole, left lower hole, right upper hole, right lower hole, and subumbilical hole. The two holes on the right are designed by the master surgeon. The two holes on the left are designed for assistants. Because the diameter of these openings is relatively small, it is required that the surgical instrument must be straight rod into the abdominal cavity. In order to achieve the clamping function during the operation, it is best when the clamp is perpendicular to the rod part of the instrument.
Post time: Jan-26-2022
