chondrectomy

例句：

1. 1. The patient underwent a chondrectomy to alleviate his pain.
   患者接受了一次关节切除术以缓解疼痛。
2. 2.The doctor performed an arthroplasty to replace the damaged joint.
   医生进行了一次关节置换术来替换受损的关节。
3. 3.During the arthroscopy, the surgeon was able to identify and remove the offending bone fragments.
   在关节镜检查中，外科医生能够识别并移除了造成问题的骨碎片。