The procedures included removal of osteophyma,loose body hyperplastic synovial membrane,and raw surface of degenerated cartilage,repairing the worn meniscus,and reshaping of the intercondylar fossa.

• 手术包括清除增生肥厚的滑膜组织,磨削股骨髁间窝和胫骨髁间前棘增生的骨赘,解除髁间窝狭窄等。