Abstract:

 Objective   To discuss the method of establishing standard parts library of proximal tibia plates and its clinical significance.    Methods    The original image of six sets of full-size proximal tibia plates date were collected which is scanned by thin-section CT, and processed with Mimics 14.0 for the three-dimensional reconstruction, then the models were exported to Geomagic by STL format for morphological optimizing.  The optimized models were exported to Mimics for volume rendering. Cylinder-shaped screw channels was drawn by MedCAD for simulation of channel direction of real-locking screws, and the establishment of standard parts library of plates with screws was then completed.   Results   (1) The establishment of 186 standard parts library of plates with screws was completed. (2) By morphological optimizing in Geomagic and volume rendering in Mimics, the 3D model of plate has high simulation degree. Conclusions   (1) Based on CT scan data ,the standard parts library of orthopedic plate can be achieved by reverse engineering software.  (2) The selective combinations between plate and screw channels were suitable for digital design of fracture internal fixation operation.

Key words: tibial plateau fracture, Plate, Standard parts library, Reverse engineering, Virtual surgery