Synthes 3.5 MM LCP(R) Distal Humerus System || The Synthes 3.5 MM LCP Distal Humerus System is intended for fixation of fractures of the distal humerus, olecranon, and ulna in adults and adolescents (12-21) in which the growth plates have fused. Specifically, distal humerus plates are indicated for intra-articular fractures, comminuted supracondylar fractures, osteotomies, malunions and non-unions of the distal humerus.