常用外科手术器械及其使用.ppt

内 容 提 纲 第一节 常用外科器械及其使用 第二节　显露 第三节 止血 第四节 缝合 第五节 拆线 第六节 打结 第七节 引流 The scalpel is held with thumb, middle and ring finger while the index finger is placed on the upper edge to help guide the scalpel. Long gentle cutting strokes are less traumatic to tissue than short chopping motions. Forceps: consist of two tines held together at one end with a spring device that holds the tines open. Forceps can be either tissue or dressing forceps. Dressing forceps have smooth or smoothly serrated tips. Tissue forceps have teeth to grip tissue. Many forceps bear the name of the originator of the design, such as Adson tissue forceps. Olsen-Hegar Includes both needle holding jaw and scissors blades. The disadvantage to having blades within the needle holder is the suture material may be accidentally cut. 六、surgical needles 1.needle point 2.needle body 3.needle length 4.needle diameter 5.needle chord length 6.needle ridus A B C B.conventional cutting C.reverse cutting A.The shape of the point and body of nocutting 七、retractor Rib retractor Abdominal~ Perineal~ Senn Blades at each end. Blades can be blunt (delicate) or sharp (more traumatic, used for fascia). Hohman Levers tissue away from bone during orthopedic procedures. Weitlaner Ends can be blunt or sharp. Has rake tips. Ratchet to hold tissue apart. Gelpi Has single point tips. Ratchet to hold tissue apart. 创钩在手术中的应用 视频030 创钩的使用 创钩的使用 创钩的使用 八、towel forcep 视频031 九、tissue forceps Rat Tooth: A Tissue Forceps Interdigitating teeth hold tissue without slipping. Used to hold skin/dense tissue Adson Tissue Forceps Small serrated teeth on edge of tips. The Adsons tissue forceps has delicate serrated tips designed for light, careful handling of tissue Allis: An Intestinal Tissue Forceps Interdigitating short teeth to grasp and hold bowel or tissue. Slightly traumatic, use to hold intestine, fascia and skin Babcock: An Intestinal Tissue Forceps More delicate than Allis, less directly traumatic. Broad, flared