Objective: to analyse the differences between radiofrequency and mechanical gouging in treatment of knee rheumatoid arthritis.

目的：比较等离子刀与刨削系统在治疗膝关节类风湿性关节炎中的作用。

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The typical symptoms of the post traumatic synovitic knee joint included swelling (16 cases), mechanical type pain (12 cases) and both (8 cases).

以膝关节肿胀为主要临床表现16例，以“机械型”疼痛为主者12例，两者均有8例。

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This article puts forward and illustration of a new type knee, it also discusses its structure characteristics and mechanical properties in theory.

提出了一种新型升降台的设计型谱，从理论上探讨了其结构特性、力学特性等。

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