Table 1 The Edinburgh classification of clavicle fractures

Type 1 medial-end fracture

1 A—undisplaced

1 A 1—extra-articular

1 A 2—intra-articular

1 B—displaced

1 B 1—extra-articular

1 B 2—intra-articular

Type 2 shaft fracture

2 A—cortical alignment

2 A 1—undisplaced

2 A 2—angulated

2 B—displaced

2 B 1—simple or wedge comminuted

2 B 2—isolated or comminuted segmental

Type 3 lateral-end fracture

3 A—cortical alignment

3 A 1—extra-articular

3 A 2—intra-articular

3 B—displaced

3 B 1—extra-articular

3 B 2—intra-articular