The characteristics of dusenwind, cavity and low speed wind were analyzed around the buildings in this community, from which the planners could evaluate the negative environmental impact of the relevant panning scenario to avoid the air pollution most possibly results fro.

Surgical treatment for degenerative lumbar spinal stenosis in old patients;

Study of the correlation between neurologic deficit and traumatic spinal stenosis in 72 cases with thoracolumbar fracture;

Therapeutic comparation of laminectomy and multiple segmental fenestration on 69 cases of lumbar spinal stenosis;

Covered nitinol stents in 17 patients with malignant or benign esophageal strictures and fistula;

Objective:To explore the clinical application and efficacy of domestic self-expanding nickel-titanium memorial alloying covered stent in the treatment of esophageal strictures,cardiac strictures and esophageal fistula.

Objective To explore a simple method that can reduce biliary fistula and stenosis of bile duct after operation.

Rabbit Model of Vascular Stenosis after Internal Carotid Artery Endothelial Balloon Injury;

Nitinol alloy endotracheal stent for treatment of tracheal stenosis;

Objective To discuss the clinical application of internal stent in tracheal stenosis.

Objective To investigate the therapeutic method and effects of malignant tracheal stenosis with nitinol memory alloy stents.