Objective Study on the curative effect and key of fracture of neck of femur internal fixation with fracting pressurescrew.
目的探讨采用折断式加压螺钉内固定治疗股骨颈骨折疗效和术式关键。
2
The pressure mechanism, of which the forced direction is changed by a force transferring lever, consists of a pressurescrew and a pressure nut.
加压机构由加压螺杆和加压螺母组成，并用传力杠杆改变受力方向；
3
An analysis was conducted of the common faults and their causes of the high pressurescrew lock ring heat exchangers found in inspection and repair, and some solutions were proposed.