The esophagus embedding test of Ni Ti,317L alloys was made according to ASTM standards of U.S.A. The tissue around the alloys was taken at weeks 2 and 12,and the pathologic changes were analysed.

 
  • 按美国 ASTM标准进行 Ni-Ti、317L合金试件的食管壁内包埋实验 ,即将金属试件经表面处理后直接置入食管壁粘膜层与肌层之间 ,术后 2、12周取出包埋组织 ,分析试件周围组织的病理变化 ,并进行胶原纤维染色 ,观察纤维形成状况。
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