Conclusion: Through C-arm device fluoroscopy, the fixed treatmen method of using alternatie K-pins in triangle basic frame is appropriate for treating intercondylar comminuted fracture of humerus.

• 结论：有限切开交叉克氏针呈三角形框架结构内固定治疗适合于肱骨髁间粉碎性骨折的治疗。