lag wood screw木螺钉
lag g screw方头螺栓
lag-screw拉力螺钉
lag-screw of cancellous bone松质骨拉力螺钉
cannulated lag screw空心拉力钉
compression lag screw加压拉力螺钉
ao lag screwao拉力螺钉
cannulate lag screw空心拉力螺钉
Retrograde lag screw逆行拉力螺钉
Methods Open reduction，Lag Screw was fixated under monitoring of type C arm X-ray machine. Pulling on Rotation-proof Shoes postoperatively and performing function exercise according to instructions at early stage.
方法 切开复位C 臂X光机引导拧入拉力螺钉，术后穿防旋鞋，按计划指导病人进行康复锻炼。
Objective By testing the biomechanics of two kind of fixation, We compared the pelvic stability, and tried to provide a scientific evidence for the clinical application of percutaneous lag screw fixation of symphysis pubis.
研究目的本实验通过对两种固定方式进行生物力学测试,对比两者恢复骨盆力学稳定性的效果,为髓内螺钉固定耻骨联合分离应用于临床进一步提供科学依据。
参考来源 - 髓内螺钉与重建钢板固定耻骨联合的生物力学对比研究N（名词） a woodscrew with a square head 方头木螺钉