他说，先前给史密斯先生植入人工髋关节的那位外科医生，在安装杯状臼时没有放正，有点歪斜。

He said that the surgeon who had implanted Mr. Smith's artificial hip had installed the cup component slightly askew.

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但是，对于金属对金属介面人工髋关节来说，由于设计拙劣或者植入技术不良，球体有时可能会压迫到杯状杯臼的边缘。

But in metal-on-metal hips, either because of poor design or poor implant technique, the ball can sometimes press against the cup's edge.

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我们公开了全髋关节置换术后由于较大的腹膜后血肿继发髋臼杯刺激髂腰肌肌腱引起痛疼的一个罕见病例。

We present an unusual case of pain after total hip arthroplasty due to a large retroperitoneal hematoma secondary to acetabular cup irritation of the iliopsoas tendon.

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