【摘要】 目的:探讨应用远端自锁髓内钉手术内固定治疗肱骨干骨折的临床疗效。方法:自20008~200512月,我们采用远端自锁髓内钉治疗肱骨干骨折38例,男性32例,女性6例;年龄19~65岁,平均36岁;其中肱骨上1/3骨折6例,中1/3骨折22例,下1/3骨折10例;闭合伤36例,开放伤2例。采用闭合复位或小切口复位方法插入自锁钉,其中顺行插针法28例,逆行插针法10例,术后网状绷带固定2周。结果:随访25例,随访时间6~30个月,平均21个月,伤口均Ⅰ期愈合,无骨折不愈合。骨折临床愈合时间平均为12周,术后肩肘关节功能恢复良好。结论:远端自锁髓内钉操作简便,创伤小,固定可靠,并发症少,是治疗肱骨干骨折的较好方法。
【关键词】 远端自锁髓内钉;肱骨干骨折;骨折内固定
Selfholding Bone Nail for Treating the Fracture of Shaft of Humerus
ZHANG Chunlin,YIN Yanlin,YANG Keqiang,et al
Orthopedic department, The First Affiliated Hospital, Hebei North University, Zhangjiakou,075000,Hebei, China
【ABSTRACT】 Objective: To investigate the clinical results of selfholding bone nail for treating fracture of shaft of humerus.Methods: 38 cases (32 men, 6 women; 6 superior segment, 22 midpiece, 10 inferior segment; 36 close injury, 2 open injury) were selected. The diaplasis for the fracture was close or open with only a little incision, 28 with syndrom, 10 with retrogression.Results: 25 cases were followed up for an average of 21 months, no one was found disunion, and the functional recovery of the shoulder or elbow was excellent. Conclusion: Selfholding bone nail for fracture of shaft of humerus can be operated conveniently,fix stably with less combination, so it is a better way for treatment.
【KEY WORDS】 Selfholding bone nail; Fracture of shaft of humerus; Internal fixation
肱骨干骨折是上肢骨折中较常见的骨折。过去多采用保守或切开复位钢板内固定治疗。保守固定时间长,维持骨折对位困难,功能影响大,钢板固定创伤大,断端血运差,易造成延迟愈合甚至不愈合。二次手术桡神经损伤风险大。我院自20008~200512月间,采用康辉公司生产的肱骨远端自锁髓内针(见图1~2)治疗肱骨干骨折,取得了满意的疗效。
图1 肱骨远端自锁髓内钉整体组件(略)
1 资料与方法
图2 远端自锁髓内钉锁定后远端结构(略)
1.1 一般资料本组38例,其中男性32例,女性6例;年龄19~65岁,平均36岁。致伤原因:交通事故伤26例,重物砸伤8例,直接暴力击伤4例。骨折部位及类型:肱骨上1/3骨折6例,中1/3骨折22例,下1/3骨折10例。其中粉碎性骨折18例,长斜形15例,横断形5例。闭合伤36例,开放伤2例。新鲜骨折35例,陈旧骨折3例,合并有桡神经损伤5例,急诊手术15例。择期手术在伤后5~10d。
1.2 手术方法顺行插针法:采用臂丛麻醉,仰卧位,患肩垫高。在肩峰外侧偏前方纵切口,长约3~4cm,切口不要过长,防止损伤腋神经。沿肌纤维纵行分开三角肌,劈开部分肩袖,显露肱骨大结节。在大结节顶点偏内侧为进针点。用扩孔锥钻透骨皮质,并扩大骨孔
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