the application of polylactide in biomedical field was introduced, such as medicine slow release, bone screw fixation, surgical suture, ophthalmic material. and the prospects were outlooked.
the bone screw (1) can be bent in all directions relative to its longitudinal axis, while retaining its axial rigidity and fully transmitting a couple without the need for additional means.
compression cancellous bone screw with both ends thread is a variable pitch screw designed to provide rigid 'fixation of cancellous bone fracture.
双端螺纹松质骨加压螺钉的特点是两端螺纹具有不同的螺距,无螺帽。
the analysis of chemical composition, hardness and microstructure and quality inspection of surface processing have been done to metal bone screw which was fractured in human body.
对断裂的金属接骨螺钉进行了化学成分、硬度、显微组织分析及表面加工质量的检测。
the claimed bone screw (1) has a head (2), a shaft (3) and a longitudinal axis (9).
一种接骨螺钉(1),具有一个头部(2)、一个桿部(3)和一个纵轴 线(9)。
fixation with cancellous bone screw, unilateral buttress plate, bilateral buttress plate, unilateral buttress plate and cancellous bone screw had 4,8,4,6 cases respectively.