Distal humeral fracture occurs in adults not very frequently, which accounts for the 2% in the whole body fracture and occurs frequently in the ones who are elder than 65. It is caused by high-energy violence which is a kind of common damage affecting the elbow function.
Distal humeral fracture consists of humeral supracondylar fracture and humeral intercondylar fracture. The most general sorting technique is AO sorting system. In the system, type A is extra-articular fracture, type B is part intra-articular fractures, type C is Intra-articular completely fractures, accompanied by stem epiphyseal separation. According to British epidemiological data, type A accounts for 38.7%, and type B 24.1%, type C 37.2%.