wing screw

1. Once the loosening of pedicle screw occurs, the traditional PMMA augmentation or lateral wing screw with kyphoplasty-assisted PMMA augmentation may serve as a suitable salvage technique.
   骶骨椎弓根钉一旦发生松动，PMMA钉道强化和后凸成形技术支持下的PMMA强化后的侧翼钉固定均可成为理想的补救手段。
2. Allograft or self-ileum can be implanted in the space of sacral wing and residual ileum, and the bone graft is fixed with compressional screw.
   可应用异体骨或自体髂骨（取自残存的部分髂骨）植于髂骨颈与骶骨翼之间，用加压螺丝钉固定。
3. Design of data sample of inertia components, A/ D conversion, control of horizontal wing and screw propeller and serial port communication between computers is given.
   水下拖曳体内下位机对惯性元件的数据采集、A/D转换、水平翼和螺旋桨控制、与上位机串口通信等功能的方案；

noun

1. a threaded nut with winglike projections for thumb and forefinger leverage in turning

   Synonym:    wing nutwing-nutbutterfly nutthumbnut