Inclusion criteria
fracture, fractures, comminuted fractures, trauma
① Fresh closed fractures requiring surgical intervention; ② Ankle joint fractures caused by trauma, meeting clinical fracture classification criteria, diagnosed as complex distal intra-articular fractures of the trimalleolar ankle through X-ray and CT scans (with comminuted fractures involving the medial, lateral, and posterior malleoli, encompassing the articular surfaces); ③ Age between 20 and 65 years, with mature skeletal development, and patients and their families choosing surgical treatment.