Operation was include lost body removed, meniscus repaired, synovial partially removed, notch plastied, the third spine removed and lateral retinacular released.

• 手术内容包括：关节内游离体摘除，半月板修整，滑膜部分切除，髁间凹成形，第三髁间嵴切除，外侧支持带松解等。