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目的为临床游离移植趾背动脉皮瓣修复手部创面提供解剖学基础。方法采用经福尔马林固定经红色乳胶灌注的足部标本10例,足部铸型标本20例,观察(足母)趾趾背动脉的起始、走行规律、分布情况,血管口径,并对皮瓣支配神经及静脉回流进行解剖分析。结果 (足母)趾趾背动脉外径(0.8±0.2)mm。根据趾背动脉起始、口径、供血范围不同进行分型:Ⅰ型:从第1跖背动脉发出,占67%(20例)。Ⅱ型:第1跖背动脉同时发出(足母)趾腓侧趾动脉和趾背动脉,占23%(7例)。Ⅲ型:(足母)趾腓侧趾底动脉发出或缺如,占10%(3例)。结论 (足母)趾背动脉较粗,分支分布、血管神经分布恒定,设计游离的(足母)趾趾背动脉皮瓣具有解剖学可行性。
Objective To provide an anatomical basis for repair of hand wounds with free flap of the dorsalis pedis artery. Methods Ten formalin-fixed red latex-infiltrated foot specimens and 20 foot-cast specimens were used to observe the origin, pathways and distribution of toe-toe dorsal artery pedicel and The flap dominates the nerves and venous return for anatomical analysis. Results (Foot) toe dorsal artery diameter (0.8 ± 0.2) mm. According to the beginning of the dorsal artery, caliber, blood supply range for different types: Type Ⅰ: issued from the first plantar dorsal artery, accounting for 67% (20 cases). Type II: The first plantar dorsal artery at the same time (foot) toe fibular toe artery and toe artery, accounting for 23% (7 cases). Ⅲ type: (foot mother) toe fibular side toe artery issued or absent, accounting for 10% (3 cases). CONCLUSION: The toe dorsal artery is thick, the distribution of branches and the distribution of vascular nerves are constant. The free toe dorsal artery pedicle flap is anatomically feasible.