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Bionic stent generating method based on CT image

A CT image, bionic technology, applied in the direction of image data processing, special data processing applications, 3D modeling, etc., can solve the problems of incomplete matching of bone tissue defects, uncontrollable internal micropores, etc.

Inactive Publication Date: 2006-11-22
SHANGHAI UNIV
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Problems solved by technology

[0003] The manufacturing method of the above-mentioned bionic scaffold cannot completely match the bone tissue defect in terms of macrostructure, and is affected by materials and environmental factors in microstructure, so the generated internal micropores are uncontrollable

Method used

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  • Bionic stent generating method based on CT image
  • Bionic stent generating method based on CT image
  • Bionic stent generating method based on CT image

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Embodiment Construction

[0023] A preferred embodiment of the present invention is described in detail as follows: In this embodiment, according to the cranial CT image data of patients with bone tissue defects provided by the hospital, a bionic scaffold model with an internal microporous structure is obtained through computer processing. The method is: according to the CT image of the patient's bone, it is first converted into a three-dimensional bone model, and then a three-dimensional model of the bone tissue defect is established from the bone model, and then a bionic scaffold model with an internal microporous structure suitable for the growth of bone seed cells is constructed .

[0024] see figure 1 , the steps of this method are:

[0025] (1) First obtain patient CT data provided by the hospital that conforms to the DICOM standard;

[0026] (2) Through the image preprocessing, image segmentation, edge detection, contour sampling and extraction functions of Mimics software, the patient's CT da...

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Abstract

The invention relates to a method for generating bionic brackets based on CT images. It converts it into a 3D model based on the patient’s CT image data provided by the hospital, and constructs a 3D model of the bone tissue defect. Finally, according to the requirements of tissue engineering, a heterogeneous porous structure geometric description model is established. Therefore, a three-dimensional bionic scaffold model with internal microstructure, suitable for the growth of bone seed cells, and used for repairing bone tissue defects is generated.

Description

Technical field: [0001] This patent relates to a bionic scaffold generation method for bone tissue defect repair in the field of human tissue engineering. In particular, a bionic scaffold generation method based on CT images. Background technique: [0002] For the widely used CT image data in medicine, it has been reported abroad that it can be converted into a three-dimensional model, and according to the nature of CT images with different pixel gray levels for different tissues and lesions, it can be observed, judged, analyzed, and positioned. Tissue or lesion location, this is only in the macroscopic sense, and there is no report on the modeling method of the microscopic bionic medical model, that is, the three-dimensional bionic scaffold model with internal microscopic porous structure. On the other hand, for the repair of bone tissue defects, the required bionic scaffold model can only be obtained manually and by physical and chemical methods (ie, fiber bonding, gas fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00G06F17/50
Inventor 戴春祥李莉敏胡庆夕吴懋亮陆齐方明伦谭月梅
Owner SHANGHAI UNIV
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