Objective: To investigate the therapeutic effect of automatic percutaneous lumbar discectomy (APLD) combining with chemonucleolysis (CNL) by injection of collagenase in the treatment of lumbar disc herniation (LDH).

• 目的：探讨自动式经皮穿刺髓核切吸术(Automatic percutaneous lumbar di skectomy，APLD)加胶原酶溶解术治疗腰椎间盘突出症(Lumbar disc herniation，LDH)的疗效。