Grafting of Metacarpal Periosteum Island Flaps with Distal Perforating Branches of Dorsal Matacarpal Artery for Treatmeat the Proximal Articular Surface Defects of the Fingers

• 带掌背动脉远侧穿支蒂掌骨骨膜瓣移植治疗指间关节面缺损