Objective To investigate the feasibility and the effectiveness of allograft chondrocytes mixed in the injectable thermosetting chitosan and glycerophosphate ( C-GP) gel forming hyaline cartilage in vivo and repairing the whole layer defects of femur trochlea of rabbit keen joint. 目的探讨可注射性温固化凝胶壳聚糖-甘油磷酸钠(C-GP)复合同种异体软骨细胞在体内形成透明软骨和注入关节腔后修复关节软骨缺损的可行性和有效性。