The stop collars are available in three types: Knock-On Type, Spiral Nail Type and Set Screw Type.

有敲击式、螺旋钉式、内六方螺钉式三种结构形式供选择；

youdao

To investigate the effect of proximal femoral intramedullary nail with spiral blade for the treatment of femoral peritrochanteric fractures with femoral shaft fractures.

探讨应用股骨近端髓内钉配合有限切开复位钛捆绑带内固定治疗股骨转子周围骨折并股骨中上段骨折的手术方法和疗效。

youdao