Preoperative hip joint deformity bone model manufacturing method based on 3D printing technology
A bone model and 3D printing technology, applied in the medical field, can solve the problems of low image registration accuracy, difficult to determine the reference bone, low accuracy, etc., to improve the surgical effect, reduce errors, and reduce the complication rate.
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[0026] Example 1
[0027] This embodiment provides a method for making a preoperative hip joint deformity bone model based on 3D printing technology, including the following steps:
[0028] (1) Perform X-ray full-length X-ray force line positioning on the patient's hip joint, and collect the imaging data generated by the MRI examination of the patient's hip joint. The imaging data includes bone size and curved surface parameters and is stored in DICOM format;
[0029] (2) Input the imaging data described in step (1) into the Materialise three-dimensional modeling software, and through image segmentation, editing, and three-dimensional calculation processing, the patient's original digital three-dimensional model of hip deformity bones is extracted; the original hip The digital three-dimensional model of joint deformity bone includes the original femur, tibia and meniscus;
[0030] (3) Input the original digital three-dimensional model of the deformed bones of the hip joint into the CA...
Example Embodiment
[0034] Example 2
[0035] This embodiment provides a method for making a preoperative hip joint deformity bone model based on 3D printing technology, including the following steps:
[0036] (1) Perform X-ray full-length film force line positioning on the patient's hip joint, and collect the imaging data generated by the MRI examination of the patient's hip joint, and store it in DICOM format;
[0037] (2) Input the DICOM format imaging data described in step (1) into the Materialise 3D modeling software, and extract the original digital 3D model of the patient's hip joint deformity through image segmentation, editing, and 3D calculation processing;
[0038] (3) Input the original digital three-dimensional model of the deformed bones of the hip joint into the CAD software for bone layering and positioning. The specific operation is: digital virtual osteotomy according to the patient's individual situation, and the doctor directly controls the The original digital three-dimensional mode...
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