Abstract: Objective To summarize the clinical application and effects of minimally invasive percutaneous internal fixation with hollow screw in the treatment of talus fracture.Methods Thirty seven patients with talus fractures were treated by minimally invasive percutaneous internal fixation with hollow screw.Close reduction was performed under X-ray with C-arm. Percutaneous 1 or 2 hollow screws(4-5 mm wide) were used for internal fixation.Results All patients were followed up for 12-24 months.According to the Malyrand scoring,the results were excellent in 23 cases,good in 4 cases,fain in 1 case.There was no incision infection and skin necrosis.The choiceness rate was 96.4%.Conclusion Percutaneous internal fixation with hollow screw in the treatment of talus fracture has following advantages:the better stability,minimal trauma, simple operation.This method was not necessary to open reduction so that protect the blood supply around the fracture and prevent ischemic necrosis of the talus.It is an effective treatment of talus fracture.

Key words: Talus fracture, Minimal invasive surgery, Hollow screw, Ischemic necrosis