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骨科英语:Fractures of the pelvis  

2016-01-25 21:48:21|  分类: 骨科英语 |  标签: |举报 |字号 订阅

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 The pelvis is a ring structure made up of two innominate bones and the sacrum. These bones have no inherent stability,and the stability of the the pelvic ring is thus due mainly to its surrounding soft tissues.
The stability structure of the pelvic ring are the symphysis pubis,the posterior sacroiliac complex, and pelvic floor. Although the anterior structures are important, contributing 40% of the stiffness to the ring, the integrity of the posterior sacroiliac comlex is most important in maintaining pelvic ring stability.
It is self-evident that if the ring is broken in one area and displaced, then there must be a fracture or dislocation in another portion of the ring. In our pelvic classification based on stability, the fractures at the stable end are type A, at the unstable end type C, and those with particial stability in the middle type B.
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