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 .

显露股骨近端四分之一段时可见旋股外侧动脉分支，而在远端四分之一可见膝上外侧动脉；这些血管可被钳夹、切断和结扎，而不会造成损害。