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目的为闭孔动脉跨区供血的长型股薄肌肌皮瓣的临床应用提供解剖学基础。方法在38侧灌注红色乳胶的成人下肢标本上,对股薄肌上闭孔动脉和旋股内侧动脉的出现率、闭孔动脉和旋股内侧动脉在股薄肌内的走行以及闭孔动脉与旋股内侧动脉之间的吻合支等进行解剖学观测。结果闭孔动脉在股薄肌的出现率为97.37%(37侧,40支),其中有2侧是闭孔动脉与旋股内侧动脉在肌肉上端的吻合支发出分支入肌,闭孔动脉入肌点距股薄肌肌肉起点距离为(2.84±8.27)cm,起始处外径(0.62±0.45)mm;旋股内侧动脉出现率为95%,其入肌处管径(0.88±0.29)mm;闭孔动脉在股薄肌内与旋股内侧动脉吻合支的出现率为95%,主要吻合类型为终末支网状血管吻合。结论闭孔动脉及其与旋股内侧动脉的吻合支出现率高,分布具有规律性,闭孔动脉跨区供血的长型股薄肌肌皮瓣经尸体模拟实验,证明具有可行性。
Objective To provide an anatomical basis for the clinical application of long gracilis myocutaneous myocutaneous flap for obturator artery blood supply. Methods The incidence of obturator and suprasellar arteries in the lower limbs of 38 adult patients with red latex was evaluated. The occlusion of the obturator and medial femoral arteries in the gracilis and the obturator arteries An anastomosis branch between the medial femoral artery and other anatomical observations. Results The occlusion rate of the closed-cell artery in the gracilis was 97.37% (37 sides, 40 limbs), of which 2 sides were closed anastomosis of the closed-cell artery and the medial femoral artery in the muscle, (2.84 ± 8.27) cm from the start point of muscle and 0.62 ± 0.45 mm at the beginning of the muscle. The incidence of medial femoral artery was 95% mm; the occlusion of closed-cell artery in the gracilis muscle with the medial femoral artery anastomosis was 95%, the main type of anastomosis for the terminal branch of vascular anastomosis. Conclusions Occlusion of the closed-cell artery and its medial femoral artery has a high incidence and regular distribution. The long-grafted myocutaneous myocutaneous flap with cross-sectional artery blood supply is proved to be feasible.