Two weeks postoperatively, implanted cartilage blocks could be seen in al 1 experimental groups and all blocks stayed in the defect of articular cartilage, but The borders were clearly identified and none of implanted blocks had connected with circumference. 术后第2周,各实验组内可见种植的软骨模块,边界清楚,与周围组织未融合,无一例种植块脱落。