Methods The position and area,degree of embolism were located by radiography in 8 patients including 8 patients with acute artery thrombosis of lower limbs after fracture operation and 1 patient with acute artery thrombosis of lower limb after blood vessel anastomosis following fracture,and then the anticoagulant agent and uroklnase were used for thrombolysis.

Arthroscopic microfrature for articular cartilage damage of the knee;