Dissect and identify five genicular branches of the popliteal artery .
解剖确认动脉的五个关节支.
Methods : apply transposition of medial femoral condylus osteoperiosteal flap pedicled with the joint branches of descending genicular vessels to repair .
方法：应用膝降血管关节支为蒂的股骨内侧髁骨膜（骨）瓣移位术予以修复。
A branch of the lateral femoral circumflex artery is encountered when exposing the proximal fourth of the femur and the superior lateral genicular artery in the distal fourth ; these may be clamped , divided , and ligated without harm .
