置换的

The shortest time to operation was 8 months;the longest time was 56 months,averaging 24 months. The high risk factors of HJD included bad acetabular ecstrophy angle,and anteversion angle.The etiological factor and tendency of dislocation in operation are also risk factors.

结果：平均随访24个月(8~ 56个月)，分析其中期疗效，髋臼外翻角和前倾角的异常是造成人工全髋关节置换术后脱位的高危因素，术前病因、术中脱位倾向是危险因素。

Constrained acetabular liners are a very powerful weapon in the armamentarium to treat THA instability.

限制性髋臼衬垫是非常强有力的治疗髋关节置换不稳的医疗器具。

As the U.S. IDE studies are completed, a clearer role for the place of cervical disc replacement in the spine surgeon's armamentarium should emerge.

一旦美国IDE研究结束，颈椎间盘置换在脊柱外科医生使用的器械选择中的定位会更加清晰。

Hip and knee replacement surgeries are very successful in relieving pain and improving function in people with arthritic joints.

髋关节和膝关节置换手术很成功镇痛和改善功能的人，关节炎的关节。

Arthritic dislocation is the common postoperative complication of total hip arthroplasty and larger ball head could be one of the efficient means to deal with this problem.

关节脱位是全髋关节置换术后常见的并发症，而采用大直径球头是减少术后脱位的可能途径之一。

Objective to investigate the diagnosis of the infection and the management after total knee arthroplasty.

目的：探讨人工全膝关节置换术后的感染的诊断和治疗方法。

Clinical and biomechanical objectives of disc arthroplasty are reviewed in this paper.

本文回顾了椎间盘置换术的临床及生物力学的目标。

With the improvement of joint surgery, the total hip arthroplasty has become a common method of treatment .

随着关节手术技术的提高，人工全髋关节置换术已成为一种常见的治疗方法。

Objective To review the recent research progress on shoulder arthroplasty, and to predict future research direction.

目的 综述肩关节置换术应用于肩关节疾病的现状和研究进展，展望可能的研究方向。

Navigation has been used in an effort to increase the accuracy and consistency of hip arthroplasty component position.

导航技术应用的目的是增加髋关节置换假体位置的精确性和一致性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。