1、编辑课件Preoperative AP radiograph of a Type 2 radial head fracture.编辑课件Preoperative lateral radiograph of a Type 2 radial head fracture.编辑课件Preoperative lateral radiograph of the Type 2 radial head fracture.编辑课件The elbow is flexed and positioned on a radiolucent table.The incision begins just above the
2、 lateral epicondyle and extends down towards the ulna,passing directly over the radial head,as depicted.编辑课件The skin incision is brought down through the subcutaneoustissue and the common extensor origin is identified.编辑课件The common extensor origin is incised between the anconeus and the extensor ca
3、rpi ulnaris over the capitellum radial head.ANCONEUSECU编辑课件The upper edge of the capitellum and the radial head are exposed.编辑课件RADIAL HEAD编辑课件With sharp retraction and rotation of the radial head,the fracture is identified.Care must be taken not to extend this incision too far distally,as this may
4、damage to the posterior interosseous nerve,as it lay over the radial neck.ANNULARLIGAMENTRADIAL HEAD FRACTURE编辑课件A Freer elevator or small osteotome is introduced tomobilize the radial head fracture.编辑课件Close up viewCAPITELLUMRADIAL HEAD编辑课件After anatomic reduction is achieved,K-wires are used to ma
5、intain the reduction.K-WIREREDUCTION编辑课件After anatomic reduction is achieved,K-wires are used to maintain the reduction.K-WIREREDUCTION编辑课件Using the external jig,a screw is placed such that it is countersunk below the articular surface of the radial head.In this example,a solid Herbert screw is util
6、ized.编辑课件The reduced and fixed radial head.The Herbert screw seated under the articular surface.Occasionally,the second K-wire is exchanged for a Herbert screw.FRACTUREHERBERTSCREW编辑课件The range of motion of the forearm as well as pronation andsupination are confirmed,and the reduction is visualizedthroughout in arc of motion of the elbow.If adequately fixedand stable,closure is performed.FRACTUREHERBERTSCREW编辑课件The common extensor mechanism is brought together,enclosed over the radio-capitellar joint.编辑课件After closure.编辑课件Lateral view,demonstrating the reduction
