Research on the accuracy of software simulation for orthopedic navigation robot positioning elbow joint flexion and extension axis
Objective To explore whether there are errors among different doctors in using Mimics software to simulate the positioning of elbow joint flexion and extension axes in 3D navigation robot navigation software,and compare the differences between doctor visual positioning of flexion and extension axes and computer-aided technology positioning of flexion and extension axes.Thus,it is suggested that the design of robot navigation software can be continuously optimized to reduce errors,making robot positioning more widely used in surgery and more accurate.Methods Ten cases of adult elbow joint CT data from January 2023 to June 2023 were randomly selected from the imaging database.After export,they were all operated in Mimics software.First,three-dimensional reconstruction was performed,and then the reference axis for elbow joint flexion and extension was determined by the experimenter.The axis and radius were hidden.Three subjects(including the attending physician,deputy chief physician,and chief physician)customized the virtual flexion and extension axes of these ten elbow joints in the software based on their personal experience and marked them separately.Finally,the experimenter used software calculations to obtain the angle data between the virtual axes of the subjects and the reference axis set by the experimenter,as well as the fitted linear distance data between the center of the humeral head sphere and the center of the trochlear incision sphere and the reference,and conducted statistical analysis.Results The difference between the doctor's visual positioning of the flexion and extension axis and the computer-aided technology positioning of the flexion and extension axis was statistically significant(P＜0.01).There was a statistically significant differencein the comparison of visual positioning of the flexion and extension axes among the three test doctors within the group(P＜0.01).Conclusion There are differences in the positioning of elbow flexion and extension axes among the three subjects based on simulating robot navigation software in Mimics software,which increases the actual positioning error.Through this experiment,it is suggested that this is related to the subjects'understanding of the elbow joint flexion and extension axis and the use of subjective visual positioning in the software.It also suggests that developers of robot navigation software should design corresponding auxiliary tools for three-dimensional positioning of the elbow joint flexion and extension axis to reduce errors in doctor planning of the flexion and extension axis.
Elbow jointFlexion and extension axisAccuracyRobot navigation
NETL
NSTL
万方数据
