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1973年以来[5— 6,8— 10 ] ,我们在配合解放军总医院、协和医院、积水潭医院、北大医院、人民医院等开展人工关节研究的同时 ,也逐渐开始了脊柱外科用新产品的研究。我们配合人民医院进行改良Ｚｉｅｌｋｅ钉棒系统研制[2 ] ;配合协和医院[1,4 ] 改良Ｓｔｅｆｆｅｅ等产品研究
Since 1973, [5-6,8-10], while working with the Joint Liberation Army General Hospital, Union Hospital, Jishuitan Hospital, Peking University Hospital and People’s Hospital to carry out artificial joint research, we have also gradually started the research on new products for spine surgery . We cooperate with the People’s Hospital to develop improved Zielke screw system [2]; with the Union Hospital [1,4] to improve Steffee and other product research