Methods: Distal tibia osteotomy lengthening and epiphysis distractionlengthening operation.
方法：胫骨远端骨骺牵伸延长术、胫骨下端截骨延长术。
2
Obejctive:To study the differences in the regenerated bone following mandibular lengthening with different rates of distraction.
目的：研究不同牵张速率延长下颌骨时对新骨生成的影响。
3
Rehabilitation of 176 patients of synchronous Achilles tendon lengthening while leg lengthening in graduate distraction had got a satisfactory result. No complications were found in this group.