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The purpose of purpose of the research projects , including the following items : 1. Gracilis form , major blood vessels , nerves source , the length of the neurovascular pedicle , into the muscle and other parts of the anatomical observations . (2) clarify the start of the obturator artery flap , running , diameter, distribution range . Clarify the the flap medial femoral artery origin, course , diameter, distribution . 4 observation the obturator artery medial femoral circumflex artery anastomosis and constant . 5 anatomy of the clinical application in order to observe the therapeutic effect . Materials and Methods 38 side perfused with red latex adult cadaveric lower limb specimens , observe the following : 1) the morphology of the gracilis muscle , major blood vessels , the source of the nerve , blood vessels and nerves pedicle length, into the muscle parts ; ) gracilis muscle flap obturator artery origin, course , diameter, distribution ; 3) the start of the gracilis muscle flap medial femoral circumflex artery , running , diameter , distribution ; 4 ) observation Unit the gracilis flap obturator artery and medial femoral circumflex artery anastomosis and constant . 2 side fresh specimens , the femoral artery and the internal iliac artery perfusion red latex liquid preservative formalin , and then cut the flap , the intake of x -ray film . Clinical application of 5 the obturator artery spanned blood supply Long gracilis muscle flap, 4 cases of vulvar cancer resection in patients with left over a large area after vulvovaginal defects instant recovery , 1 case of double gracilis muscle skin flap, 3 patients with single gracilis muscle flap. According to the size of the wound shape design gracilis muscle flap after cancer resection , the gracilis support and deep femoral artery ligation , in the beginning part of the obturator muscle pedicle transfer to repair the vulva , vagina. Gracilis total length ( 40.5 ± 1.8 ) cm , muscle belly length ( 29 ± 0.5 ) cm , tendon length ( 11.3 ± 1.2 ) cm . Muscle belly widest point on the junction of the middle 1/3 of a width of ( 3.1 ± 0.7 ) cm , the thickness ( 0.8 ± 0.2 )
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