Objective To evaluate the clinical application of percutaneous laser disc decompression (PLDD) of L5 ~ S1 under CT-guided through multiple approach.
目的探讨CT导引下多途径经皮激光椎间盘减压术(PLDD)治疗L5 ~ S1椎间盘突出的临床应用。
2
The node disc collapse failure often appealed because of multiple nodes of system and long running time.
由于系统节点多，使用时间长，节点硬盘崩溃故障时有发生。
3
Steering clutch: multiple-disc oil powder metallurgy disc compressed by spring. hydraulic operated. brake is oil two direction floating band brake operated by mechanical foot pedal.