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作者通过对12侧新鲜成人上肢标本血管染料灌注、解剖观察,发现手的掌背动脉在指蹼处与指掌侧总动脉或其分支之间有吻合支相连,该吻合支外径较粗,位置恒定,有静脉伴行.以此吻合支为蒂、掌背动脉为轴,设计了手背递行岛状皮瓣。本文阐述了皮瓣设计的解剖学依据,并就皮瓣的血供特点、切取范围、优缺点进行了讨论.作者认为:本皮瓣质地好,血管恒定、操作简单、成活率高,也可带伸肌腱和掌骨片复合移植,对手掌或手指的修复,具有其它皮瓣不可比拟的作用.
The author of 12 fresh adult upper limb vascular staining of blood vessels and found that the hand dorsal metacarpophalangeal artery at the finger and the palm of the anastomosis between the branches or branches, the diameter of the anastomosis branch coarser, The position was constant and there was venous accompaniment.According to the anastomotic pedicle, the dorsal metacarpal artery was the axis, and the dorsal island flap was designed. This article describes the anatomic basis of flap design, and discusses the characteristics of blood supply, the scope of the cut, the advantages and disadvantages of the flap.The authors believe that: the flap texture is good, the blood vessels are constant, the operation is simple, the survival rate is high, With extensor tendon and metacarpal composite transplantation, the palm or finger repair, with other skin flap incomparable effect.