Methods: There are 36 patients, according to Schatzker classification: type IV 8 cases,type V 17 cases,type VI 11 cases, treaded with doubles(medial and lateral)buttress plates and after operation early CPM.

• 方法:本组共36例,按 Schatzker分型,IV型8例,V型17例,VI型11例,手术采用内外侧双钢板固定,术后早期 CPM。