OBJECTIVE: To construct discitis animal model by destroying the fibrous ring and the cartilage lamina through the surgery, in addition, to explore the changes of autoimmune reaction.
目的：通过手术破坏纤维环和软骨终板建立椎间盘炎的动物模型，探讨自免疫状态表达变化过程。
2
Methods : PGA non woven mesh was put into the mold of trachea cartilagering and enforced with polylactic acid.
方法：按气管软骨环的形状制备模具，将聚乙醇酸无纺网置于模具中，用聚乳酸塑形；
3
Objective To investigate curative effect of the tragus cartilagering with perichondrium for repairing tympanic membrane perforation.