cortical screws

常见例句

Before pedicle screws were inserted, the specimens were separated into 4 groups according to the type of screw used: 1) standard pedicle screw (no cortical perforation);
在植入椎弓根螺钉之前，根据拟植入螺钉的不同位置将标本分为4组：1）标准椎弓根螺钉（无皮质穿破）；
Special attention should be given to the proximal screw fixation. In this case the use of uni-cortical screws is recommended around the stem of the implant and bi-cortical screws below this level.
应特别注意近端螺钉固定，在此案例下，使用单皮质螺钉推荐用于假体干部，而双皮质螺钉用于假体之下。
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