研究单位：[1]Xuanwu Hospital, Beijing[2]Peking hospital first University,Beijing, China, 100000[3]The first affiliated Hospital of Dalian Medical University,Dalian, China, 116000[4]Shanghai Changhai Hospital,Shanghai, China, 200000[5]Shanghai Changzheng Hospital,Shanghai, China, 200000[6]Zhongshan Hospital affiliated to Fudan University,Shanghai, China, 200000[7]The first affiliated Hospital of Xi ' an Jiaotong University,Xi'an, China, 710000
研究目的：
Bare-metal stent vs Covered stent with subclavian occlusive lesions to verify the efficacy and safety.Study Design are prospective, multiple center, randomized, open, positive controlled, non-inferiority trail.Case total numbers enrollment predict 408 cases，each group 204 cases.Follow up period for 1 years.
