Abstract

目的 为带血管蒂前臂桡侧中段皮瓣移位手术提供解剖学依据.方法在40侧经动脉灌注红色乳胶的成人上肢标本上,解剖观测桡动脉肌间隙支及其皮支的来源、外径、走行、分支及吻合情况.结果桡动脉肌间隙支起自桡动脉,干长(4.8±1.0)cm,外径(1.2±0.2)mm,沿旋前圆肌与旋后肌间隙紧贴骨膜走行,发出骨膜支分布于桡骨体部中下段,皮支穿肌间隙和深筋膜,沿前臂桡侧后缘分出皮肤血管,与前臂桡侧其他皮支相吻合.皮支穿出点距肱骨外上髁(11.1±1.3)cm,皮支外径(0.6±0.1)mm.结论以桡动脉肌间隙支为蒂的前臂桡侧中段皮瓣,可用于修复肘部、前臂及腕部软组织缺损。

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