Screws with other types of heads are also known as cap screws in the larger sizes and as machine screws in the smaller sizes.
2
由于设计改进，使得髓内钉插钉更容易，对外侧壁应力减小，同时钉尾和尾帽切迹变低，减少了软组织刺激。
The improvement of the design facilitate the insertion of the nail, decrease the stress to the lateral wall, low profile nail end and end cap reduce soft tissue irritation.
3
摘要目的探讨弹性钉加尾帽治疗儿童长度不稳定型股骨干骨折的临床疗效。
Abstract: ObjectiveTo evaluate the outcome of Titanium Elatic Intramedullary Nail (TEINs) for treatment of length-unstable femoral shaft fracture of children.
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