And they've found that it can be fixed using arthroscopic surgery, which USES narrow instruments inserted through smaller incisions than traditional surgery.
并且他们发现可以通过关节镜手术进行修补，相对于传统手术，关节镜手术通过更小的切口使用精密器械来操作。
All patients received the same cementless implant, inserted with use of standard instruments, and all operations were performed by a single, experienced surgeon.
两组均通过相同的手术操作器具，且由同一有经验的外科医师植入相同的非骨水泥假体。
All patients received the same cementless implant, inserted with use of standard instruments, and all operations were performed by a single, experienced surgeon.
两组均通过相同的手术操作器具，且由同一有经验的外科医师植入相同的非骨水泥假体。
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