Abstract: ObjectiveTo observe the clinical therapeutic effect of postoperative infection of fracture bone of lower extremity treated with external fixation device combined with closed irrigation.Methods32 patients of long bones fracture of lower extremities with postoperative infections were treated with composite external fixation device combined with focus clearance and continuing closed irrigation.ResultsThrough 1.5～3 years follow-up, there was no infection relapse in 31 extremities, 26 bones' fractures healed in half a year, there was no malunion such as crispation or angulation and there was no complication of serious anchylosis.ConclusionIt is an efficient way to treat postoperative infection of fracture bone of lower extremity with external fixation device combined with closed irrigation.

Key words: external fixation device, postoperative infection of fracture bone, closed irrigation