亚洲AV久久无码高潮喷水-亚洲AV久久无码精品国产网站-亚洲AV久久无码精品九号-亚洲AV久久无码精品九号软件-亚洲av久久无码精品九九-亚洲AV久久无码精品九九九

Development Prospects

Prospects For Development

Current Situation And Development Prospect

Suture is often needed to reconstruct the continuity of tissues and organs in surgery, so suture is one of the keys to the success of surgery. There are many traditional surgical suture methods, but most of them use one-needle-one-line Bare-hand operation, which is not only time-consuming, but also affected by the difference of surgeon's clinical experience and suture technology. Especially when the location of the operation is deeper, because of poor vision and inconvenient operation, manual suture is often very difficult. Sometimes, the tissue is irregular or torn, and complications such as bleeding at the suture site, anastomotic leakage and anastomotic stenosis are easy to occur. In order to improve the quality of operation, shorten the operation time and reduce postoperative complications, many surgeons in China have tried and developed stapler surgery. With the development of medicine and its related frontier disciplines, and the extensive application and accumulation of experience of staplers in clinical practice, stapler instruments have been continuously improved, and satisfactory clinical results have been achieved. In recent years, with the development of minimally invasive surgery, the application of staplers in thoracoscopy and laparoscopy has been more widely promoted. It can be said that staplers have become the necessary instruments and methods in modern surgery.

Design Principle

Taking the circular stapler as an example, the principle of anastomosis is to arrange two rows of B shaped suture nails which are arranged in a circular arrangement in a tissue, and to cut off the medial tissue by ring scalpel, so as to anastomoses the lumen and organs. In order to ensure the blood supply of the anastomotic tissue, the circular stapler has a special structure, which can change the height of the stapler in the range of 1.0-2.5 mm according to the thickness of the anastomotic tissue. Because of the self-healing ability of the intestinal canal, slight difference in the height of the suture nail is not a big problem when anastomosing the intestinal canal.

Indications For The Use Of Staplers

The anastomosis of hand suture can be performed by the surgical staplers in all cases. Specifically, the stapler is suitable for end-to-end, end-to-side and side-to-side anastomosis of esophagus, stomach, duodenum, small intestine, colon, rectum and biliary tract. The suture device is suitable for suturing digestive tract, pancreas, lung, thyroid and other organs. The advantages of using this kind of instrument are simple operation, shorter operation time (only a few minutes), less bleeding, less trauma and fewer complications. The operation quality is high because the mucosa or tissue is tidy, the anastomosis is firm and reliable, the hemostasis effect and the blood supply are good. Especially for exposing difficult esophageal and cardiac operations and low rectal operations, and for critically ill patients who need to finish the operation as soon as possible. Because the suture device is used to suture and seal before cutting, it reduces the chance of peritoneal contamination and effectively reduces the possibility of exfoliation and implantation of gastrointestinal cancer cells.

Contraindication

The digestive tract mucosa is edema, the muscular layer is too thick and the healing ability is poor, so it is not suitable to use. If the lumen is too thin or the muscular layer of the tube wall is too thin, the tear of the tube wall is easy to occur. If the first mechanical anastomosis fails, the second anastomosis should not be done in principle, because the incision edge of the tube wall is not uniform, and the tissue is severely pressed by the instrument and the blood supply is poor, and the anastomotic stoma has expanded, so it is difficult to achieve success again. Mechanical anastomosis is not suitable for those with suspected residual cancerous tissue at the incision end or severe injury at the incision end. Other anastomotic indications were consistent with those of hand seam anastomosis.

主站蜘蛛池模板: 精品91自产拍在线观看一区 | 亚洲国产日韩在线视 | 日韩人妻无码免费视频一区二区三区 | 久久久精品人妻一区二区三区 | 日韩加勒比无码人妻系列 | 欧美日韩人成综合在线播放 | 91极品视频在线观看 | 欧美精品一区二区三区免费 | 精品无码一级毛片免费视频观看 | 国产欧美第一页在线观看 | 国产亚洲日韩欧美十八禁 | av无码一区二区 | 精品人妻大屁股白浆无码p 精品人妻大屁股白浆宅男 精品人妻久久av区 精品人妻久久久久久888 | 亚洲欧美日韩中文加勒比 | 亚洲aⅴ鲁丝一区二区三区 亚洲AⅤ鲁丝一区二区三区 | 国产av国产v片大片线观看网站 | 91福利精品第一导航 | 亚欧乱色国产精品免费视频 | 视频在线一区 | 一级在线免费视频 | 国产欧美久久久久久精品一区二区 | 一区二区视频传媒有限公司 | 日本欧美一区二区三区高清 | 久久久久人妻一区精品免费看 | 久久久久国产精品免费看 | 精品久久免费一区二区三区四区 | 久久天天躁狠狠躁夜夜躁2014 | 国产成人自拍高清在线 | 国产欧美日韩久久久久 | 色偷偷一区二区三区视频 | 狠狠撸 撸你喜欢 | 四虎永久在线精品免费一区二区 | 无人区在线高清完整免费版 | 国产亚洲欧美在线中文无广告亚洲精品日韩美女高清写真图片 | 国产三级一区二区在线播放 | 亚洲无线一线二线三线区别 | 99久久九九免费观看 | 国产美女a做受大片观看 | 中文精品久久久久国产 | 国产成人综合久久 | 久久久久久一级毛片免费无遮 |