腰椎间盘突出症疾病中,脊神经根受压产生肿胀、炎症、粘连,出现下肢放射痛早已为众多学者所研究;但对神经干受损引起疼痛的认识与治疗未见报告。笔者在临床实践中,发现许多腰椎间盘突出症患者会出现继发性坐骨神经干受损,引起干性坐骨神经痛疼痛,笔者采用局封加针刀进行治疗取 Lumbar disc herniation disease, spinal nerve root compression produce swelling, inflammation, adhesion, the emergence of lower limb radiating pain has been studied for many scholars; but the nerve damage caused by pain and understanding of the treatment has not been reported. The author in clinical practice, found that many patients with lumbar disc herniation will appear secondary sciatic nerve damage, causing dry sciatica pain, the author used the seal plus needle knife for treatment