常用外科手术器械机器使用

1、第六章 手术基本操作技术,手术种类繁多，范围、大小和复杂程度不同，但基本操作技术是相同的 手术顺利完成，一定意义上取决于基本操作的熟练程度及其理论的掌握 理论指导下的不断实践，是唯一的正确途径。 稳、准、巧、轻、快是基本要求。,Copyright All reserved, MA WM PhD,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,Copyright All reserved, MA WM PhD,（一）种类 4、6、8号刀柄配1924号刀片。 3、5、7号刀柄配10、11、12、15号刀片 专用手术刀，

2、如眼科刀等。 高频电刀。,第一节 常用外科器械及其使用,一、手术刀,Copyright All reserved, MA WM PhD,Sharp scalpel with disposable,10号小圆刃,11号角形尖刃,12号号弯形尖刃,15号小圆刃,3号刀柄,8号刀柄,Copyright All reserved, MA WM PhD,Handles,Copyright All reserved, MA WM PhD,Handles Blades,Blades #10, 11, 12, 15 fit the #3 handle, #22, #23 fit the #4 handle ,

3、 commonly used for large animals.,Copyright All reserved, MA WM PhD,Disposable Scalpel,Copyright All reserved, MA WM PhD,Electrosurgical scalpel,Copyright All reserved, MA WM PhD,（二）手术刀的使用,装刀片法,取刀片法,视频026,Copyright All reserved, MA WM PhD,装刀片,Copyright All reserved, MA WM PhD,Three basic grips for h

4、olding the scalpel,Pencil grip,Fingertip grip,Palm grip,Copyright All reserved, MA WM PhD,Scalpels,Copyright All reserved, MA WM PhD,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 le

5、ss traumatic to tissue than short chopping motions.,Copyright All reserved, MA WM PhD,The scalpel should never be used in a stabbing motion,Copyright All reserved, MA WM PhD,二、 surgical scissors,组织剪,剪线剪,Commonly used surgical scissors,Copyright All reserved, MA WM PhD,Classification by type of point

6、s,All types of scissors can have blunt or sharp blades (A: Sharp:Sharp, B: Blunt:Blunt).,Copyright All reserved, MA WM PhD,All types can have either straight or curved blades,Copyright All reserved, MA WM PhD,Mayo and Metzenbaum,Copyright All reserved, MA WM PhD,Mayo scissors (B) are used for cuttin

7、g heavy fascia and sutures. Metzenbaum scissors (A) are more delicate than Mayo scissors. Metzenbaum scissors are used to cut delicate tissues and scissors have a longer handle to blade ratio.,Copyright All reserved, MA WM PhD,执剪的方法,剪线的方法,视频027,Copyright All reserved, MA WM PhD,三、 tissue forceps,A.D

8、ifferent tissue forceps B.Pencil grip for thumb forcep in use C.Palmed position for thumb forcep being carried,Copyright All reserved, MA WM PhD,Thumb forceps are held like a pencil,Copyright All reserved, MA WM PhD,Thumb Forceps are not held like a knife,Copyright All reserved, MA WM PhD,镊子在手术中的使用,

9、视频028,Copyright All reserved, MA WM PhD,四、止血钳,五、持针钳,Hemostatic forceps,Needle holder,Copyright All reserved, MA WM PhD,持针钳在手术中的应用,Copyright All reserved, MA WM PhD,Classification by size and shape and size of tips,Hemostatic forceps and hemostats may be curved or straight.,Copyright All reserved, MA

10、 WM PhD,Kelly Hemostatic Forceps and Mosquito Hemostats,Both are transversely serrated,Mosquito hemostats (A) are more delicate than Kelly hemostatic forceps (B).,Copyright All reserved, MA WM PhD,Mosquito hemostats (A) have a smaller, finer tip,Comparison of Kelly and Mosquito tips,Copyright All re

11、served, MA WM PhD,Carmalt,视频029,Copyright All reserved, MA WM PhD,Mayo-Hegar,Heavy, with mildly tapered jaws. No cutting blades.,Copyright All reserved, MA WM PhD,Olsen-Hegar,Includes both needle holding jaw and scissors blades.,The disadvantage to having blades within the needle holder is the sutur

12、e material may be accidentally cut.,Copyright All reserved, MA WM PhD,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,Copyright All res

13、erved, MA WM PhD,七、retractor,Rib retractor,Abdominal,Perineal,Copyright All reserved, MA WM PhD,Senn,Blades at each end. Blades can be blunt (delicate) or sharp (more traumatic, used for fascia).,Copyright All reserved, MA WM PhD,Hohman,Levers tissue away from bone during orthopedic procedures.,Copy

14、right All reserved, MA WM PhD,Weitlaner,Ends can be blunt or sharp. Has rake tips. Ratchet to hold tissue apart.,Copyright All reserved, MA WM PhD,Gelpi,Has single point tips. Ratchet to hold tissue apart.,Copyright All reserved, MA WM PhD,创钩在手术中的应用,视频030,Copyright All reserved, MA WM PhD,创钩的使用,Copy

15、right All reserved, MA WM PhD,创钩的使用,Copyright All reserved, MA WM PhD,创钩的使用,Copyright All reserved, MA WM PhD,八、towel forcep,视频031,Copyright All reserved, MA WM PhD,九、tissue forceps,Copyright All reserved, MA WM PhD,Forceps: consist of two tines held together at one end with a spring device that hol

16、ds 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.,Copyright All reserved, MA WM PhD,Rat Tooth

17、: A Tissue Forceps,Interdigitating teeth hold tissue without slipping. Used to hold skin/dense tissue,Copyright All reserved, MA WM PhD,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,Copyr

18、ight All reserved, MA WM PhD,Allis: An Intestinal Tissue Forceps,Interdigitating short teeth to grasp and hold bowel or tissue. Slightly traumatic, use to hold intestine, fascia and skin,Copyright All reserved, MA WM PhD,Babcock: An Intestinal Tissue Forceps,More delicate than Allis, less directly t

19、raumatic. Broad, flared ends with smooth tips. Used to atraumatically hold viscera (bowel and bladder).,Copyright All reserved, MA WM PhD,Sponge Forceps,Sponge forceps can be straight or curved, can have smooth or serrated jaws. Used to atraumatically hold viscera (bowel and bladder).,Copyright All

20、reserved, MA WM PhD,十、肠钳,Copyright All reserved, MA WM PhD,Doyen Intestinal Forceps,Non-crushing intestinal occluding forceps with longitudinal serrations. Used to temporarily occlude lumen of bowel,Copyright All reserved, MA WM PhD,Payr Pylorus Clamps,A crushing intestinal instrument. Used to occlu

21、de the end of bowel to be resected.,Copyright All reserved, MA WM PhD,The thumb and ring finger are inserted into the rings of the scissors while the index and middle finger are used to guide the instrument.,The instrument should remain at the tips of the fingers for maximum control.,Copyright All reserved, MA WM PhD,This is the wrong way to hold the scissors. The ring finger should be inserted i