A method for making a personalized osteotomy navigation template for thoracolumbar deformity through the posterior approach
A technology for navigation templates and production methods, applied in computer-aided planning/modeling, surgical sawing, etc., can solve problems such as strong subjectivity, poor sagittal curvature recovery, and unobvious symptom relief of patients, and increase surgical safety , reduce surgical complications, and avoid neurovascular damage
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[0025] An individualized osteotomy navigation template for thoracolumbar kyphosis through a posterior approach and a manufacturing method thereof, characterized in that it comprises the following steps:
[0026] (1) A 64-slice spiral CT scan was performed on the patient's entire spine and pelvis to obtain DICOM data: the slice thickness of the spiral CT scan was 0.625 mm, and the matrix was 512×512.
[0027] The matrix is equivalent to a pixel, which refers to an image of 512*512 pixels. The thinner the layer thickness, the higher the accuracy and the longer the CT scanning time. But the thickness of the layer should not be too thin.
[0028] (2) Import the data into the 3D modeling software-Mimics to reconstruct the 3D model of the entire spine and pelvis;
[0029] (3) Simulated osteotomy:
[0030] By measuring the Cobb angle of the patient's scoliosis and kyphosis in the computer software, the vertebral body to be osteotomized is determined, and the expected osteotomy an...
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