术后2,4,8,12周每组分别麻醉处死1只,观察材料周围组织的炎性反应和纤维包膜的形成情况。

• One rabbit of each group were sacrificed under anesthesia at 2, 4, 8 and 12 weeks, respectively after operation to observe the tissue inflammatory reaction around the materials and formation of fibrous capsules.