BBB (Basso, Beattie, Bresnahan) score, SEP (somatosensory evoked potential) technique were adopted to assess the locomotor and sensory functional revival of animals for 1d, 3d, 7d, 14d and 21d post operation (dpo).

• 术后1d,3d,7d,14d及21d作BBB评分及SEP检测。