它毕竟是一个简单的球窝关节;它有一定的载荷;它在有限的生命中需要可靠性;它必须包含适合工作环境的材料。
It is after all a simple ball and socket joint; it has certain loads imposed on it; it needs reliability over a defined life; it must contain materials suitable for the working environment.
在髋关节病变的“球窝”变成不规则,粗拙,变形,导致疼痛和关节活动范围减小(图1)。
In the diseased hip, the "ball and socket" become irregular, rough, and deformed, causing pain and decreased range of motion (Figure 1).
在髋关节病变的“球窝”变成不规则,粗拙,变形,导致疼痛和关节活动范围减小(图1)。
In the diseased hip, the "ball and socket" become irregular, rough, and deformed, causing pain and decreased range of motion (Figure 1).
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