Navigation and Positioning System for Orthopedic Surgery

This clinical trial is a prospective, multicenter, non inferiority, randomized controlled trial. We plan to include 112 subjects in China and randomly assign them to the experimental group and the control group according to the ratio of 1:1. The experimental group used the orthopedic surgery navigation and positioning system produced by Nanjing Tuodao Medical Technology Co., Ltd., while the control group used the orthopedic surgery navigation and positioning system produced by Beijing tianzhihang Medical Technology Co., Ltd. Taking the position deviation of Kirschner wire as the main evaluation index, it was proved that the test instrument was not inferior to the control instrument. The test data shall be submitted to the State Drug Administration for approval of the marketing license of the test device