Results There were abundant vessel network around knee joint, which was composed of the end b ranches and communicating branches of femoral artery, popliteal artery, anterior tibial artery, posterior tibial artery, etc.

• 结果膝关节周围存在着丰富的血供，其主要由月国动脉、动脉、前动脉、后动脉的终末支及相互间的交通支和吻合网恒定构成。