5.Insertion fixation of 6.Haemostasis tamonade. 7.Osteotomy with stents at end. 8.Open osteotomy 1 mo post-op.5. Insertion & fixation of stents. 6. Haemostasis & tamonade. 7. Osteotomy with stents at end. 8. Open osteotomy 1 mo post-op