Polyaxial locking plates allow variation in the Angle of insertion of each screw, which allows the surgeon to respond to any variation in the normal bony anatomy and to target specific bone fragments.
多向锁定钢板允许每颗螺钉植入角度的变化，这让医生对正常骨解剖及对特定骨块有更多选择。
2
Variation of the screw Angle results in reduction of purchase of the locking interface, or cross-threading the head.
螺钉角度的变异会致使锁定界面的减少或跨螺纹的头。
3
In fact, the so-called self locking type gas spring or Angle or is a kind of air spring can be locked in any position of the stroke.