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Method and device for structural design

A technology of structural design and three-dimensional structure, applied in the field of bone structure, can solve the problems of difficult control of fiber scaffolds, single and repeated three-dimensional printing structure, etc.

Active Publication Date: 2019-12-03
SHENZHEN EXCELLENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to propose a method and device for structural design, aiming at solving the problems that the fiber support is difficult to control and the three-dimensional printing structure is single and repetitive

Method used

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  • Method and device for structural design
  • Method and device for structural design

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Embodiment 1

[0043] refer to figure 1 , figure 1 It is a schematic flowchart of the first embodiment of the method for structural design of the embodiment of the present invention.

[0044] In Embodiment 1, the method for structural design includes:

[0045] Step 101, constructing a three-dimensional structural model and a contour model according to the three-dimensional structural data in the preset orthopedic database and the microstructural data of bone cell tissue;

[0046] Preferably, according to the three-dimensional structure data in the preset orthopedic database and the microstructure data of bone cell tissue, constructing a three-dimensional structure model and a contour shape model include:

[0047] According to the three-dimensional structural data in the preset orthopedic database and the microstructural data of bone cell tissue, the conditions for bone cell growth are obtained, and a three-dimensional structural model is established according to the conditions, and the con...

Embodiment 2

[0059] refer to image 3 , image 3 It is a schematic flowchart of the second embodiment of the method for structural design in the embodiment of the present invention.

[0060] In Embodiment 2, the method for structural design includes:

[0061] Step 301, constructing a three-dimensional structural model and a contour model according to the three-dimensional structural data in the preset orthopedic database and the microstructural data of bone cell tissue;

[0062] Step 302, storing the three-dimensional structural model in a preset format, the preset format including stl and stp file formats;

[0063] Step 303, saving the outline shape model in a preset file format, converting the file format into the preset file format, the preset file format includes a dwg file format;

[0064] Step 304, synthesizing the three-dimensional structure model and the contour shape module into a bone scaffold model through a preset algorithm, and the preset algorithm includes a Boolean algori...

Embodiment 3

[0077] refer to Figure 4 , Figure 4 It is a schematic diagram of the functional modules of the device of the structural design of the embodiment of the present invention.

[0078] In embodiment three, the device for structural design includes:

[0079] A construction module 401, configured to construct a three-dimensional structural model and a contour model according to the three-dimensional structural data in the preset orthopedic database and the microstructural data of bone cell tissue;

[0080] Preferably, the building block 401 is used for:

[0081] According to the three-dimensional structural data in the preset orthopedic database and the microstructural data of bone cell tissue, the conditions for bone cell growth are obtained, and a three-dimensional structural model is established according to the conditions, and the conditions include porosity, wire diameter, shape, and surface area of ​​the scaffold and structural features;

[0082] A contour shape model is ...

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Abstract

The embodiment of the invention discloses a method and a device for structural design. The method comprises the steps that a three-dimensional structure model and a contour shape model are built according to three-dimensional structure data and microstructure data of an osteocyte tissue in a preset orthopaedics department database; the three-dimensional structure model and the contour shape model are combined into a bone scaffold model through a preset algorithm, wherein the preset algorithm comprises a Boolean add algorithm; the bone scaffold model is printed through a three-dimensional printer, a bond scaffold model with a microstructure is acquired, and then a biological scaffold with a structure is acquired, thereby realizing that the hole connectivity is good, the hole size is easy to be regulated and controlled, the line diameter and the porosity can be regulated and controlled, and the porosity can reach 95%. A physiological structure, an anatomical structure, the kinematic mechanics, the biomechanics and the bio-fluid mechanics are met. The device is simple in process, convenient to manufacture and short in manufacturing period. A high temperature is avoided, thereby being conducive to introduction and controlled release of bioactive molecules.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of bone structure, and in particular to a method and device for structural design. Background technique [0002] One of the key technologies of tissue engineering is to prepare biomaterials with good biocompatibility and biodegradable absorption properties into multidimensional porous cell scaffolds with specific shapes and connected pore structures. Tissue engineering materials should have good biocompatibility and biodegradable absorption properties. Among them, degradable polymers have the widest application range. As an effective cell scaffold, materials alone are not enough. One of the technical keys of tissue engineering is to make biomaterials into three-dimensional porous scaffolds with specific shape and pore structure. [0003] The pore shapes of tissue engineering porous scaffolds mainly include fibers, porous sponges or foams, and connected tubular structures. Corresp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00G06T17/10
CPCG06T17/00G06T17/10G06T2207/30008
Inventor 赵小文张东锋赵文平蔡君华
Owner SHENZHEN EXCELLENT TECH
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