An intelligent positioning method for optimal placement of pedicle screws
A pedicle screw and intelligent positioning technology, applied in the medical field, can solve the problems of difficulty in promotion and high instability, and achieve the effects of reducing the screw dislocation rate, having discrimination and being robust.
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[0023] An intelligent positioning method for optimal placement of pedicle screws according to the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0024] Such as figure 1 As shown, an intelligent positioning method for optimal placement of pedicle screws, including steps:
[0025] S1. Obtain CT scan pictures of multiple groups of human pedicles, and construct a three-dimensional mesh model M of the CT scan pictures. i (i=1,2,...,a), a is a positive integer;
[0026] S2. Calculating the 3D mesh model M i Every vertex on The eigenvectors of Among them, n (i) is a positive integer, representing the 3D mesh model M i The number of vertices on , m is the feature dimension of each vertex, label each feature vector the corresponding vector labels
[0027] S3. All three-dimensional mesh models M i all vertices on Corresponding eigenvectors Form a set S, use the set S as a training sample, an...
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