arthrotomy

例句：

1. 1. The surgeon performed an arthroplasty on the patient's knee.
   外科医生为患者的膝盖进行了关节置换手术。
2. 2. The arthroscopic procedureallowed for a minimally invasive approachto the joint.
   关节镜手术允许对关节进行最小侵入性的治疗。
3. 3. Arthrotomy is often used in casesof severe joint pain or when other treatmentshave failed.
   在严重的关节疼痛或其他治疗方法失败的情况下，关节切开术常常被使用。