Methods:SD rat CCI (chronic constriction injury) hyperalgesia model was used as the neuropathic pain model, and hyperalgesia score employed as the sign of neuropathic pain.

• 方法:采用轻微结扎一侧大鼠坐骨神经的神经痛模型,以光热辐射引起的大鼠双下肢抬脚潜伏期的差值作为神经痛的指标(痛敏分数)。