AIM: to assess the curative efficacy of transplanting human Schwann cells (SCs) into injured spinal cord and further observe the spinal cord functional recovery.

目的：观察采用许旺细胞脊髓腔内移植手术治疗晚期脊髓损伤患者，其神经恢复的疗效。

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Objective:To study the influence of peripheral nerve regeneration through polylactic acid conduit with bletilla colloid(BC)and schwann cells(SCs).

目的：研究聚乳酸管注入白芨胶和雪旺细胞对周围神经再生的影响。

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