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In cases of severe crushing finger injury, skin defect with vascular loss was result in bone, tendon and joint exposures. In patients with certain cases, conventional treatments were vein graft, local flap and disrant flap. Exoposed vein grafred blood s:esels were not suitable for graft because of high risk of thrombosis, tissue necrosis and skin graft will not survive on deep structure and local flap may be technically impossible at extensive finger damage. Furthermore distant flap was inappropriate due to postoperative immobilization bulkiness of grafted skin and many times of operations. Therefore in the cases of exposed deep structure, it has been studied about skin flap including subcutaneous vein for a long time. In 1984, Honda et al had attempte das clinical application and in 1985, Nichtter and Harris et al reported three types of venous flap : 1) total venous perfusion flap 2) arterialized Venous perfusion flap 3)total arterial venous perfusion flap. These venous free flaps(skin flaps with subcutaneous veins, flow through venous flap) have advantage that can be done without bone shortening as one procedure. And authors did 13 cases of venous (laps, especially 3) and complete survival were 11 cases, partial necrosis were 2 cases
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