Thorough debridement was the key to successful operation.

清创是手术的关键。

Objective:To evaluate the effects of arthroscopic debridement in the treatment of knee osteoarthritis.

目的：探讨关节镜下清理术治疗膝骨性关节炎的临床效果。

All cases were treated with debridement, decompression, bone grafting and internal fixation by one-stage posterior approach.

采用经后路一期病灶清除、椎管减压、植骨融合加钉、钩、棒系统矫形固定治疗。

Results The average time for debridement of bromelain ointment on guinea pigs with third-degree burns was consistent with that of moist exposed burn ointment. Both of them were more effective than negative control（P＜0.01）.

结果菠萝蛋白酶软膏用于豚鼠三度烧伤的平均脱痂时间同阳性对照组，明显少于阴性对照组（P＜0.01）。