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Synthesis method and device of circular truncated cone blood vessel mathematical model for hydromechanics analysis

A mathematical model and fluid mechanics technology, applied in the field of synthesizing the mathematical model of the truncated blood vessel, which can solve the problem of not using the mathematical model of the blood vessel.

Pending Publication Date: 2020-12-22
SUZHOU RAINMED MEDICAL TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a synthesis method, device and system for a mathematical model of a conical vessel used in fluid mechanics analysis to solve the problem in the prior art that there is no mathematical model of blood vessels used in fluid mechanics analysis

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  • Synthesis method and device of circular truncated cone blood vessel mathematical model for hydromechanics analysis
  • Synthesis method and device of circular truncated cone blood vessel mathematical model for hydromechanics analysis
  • Synthesis method and device of circular truncated cone blood vessel mathematical model for hydromechanics analysis

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Embodiment 1

[0102] Such as figure 2 As shown, the application provides a synthetic method of a frustum of conical blood vessel mathematical model for hydrodynamic analysis, including:

[0103] S01, according to the real-time diameter of blood vessels D t , the length L of the center line of the blood vessel for three-dimensional modeling to form a three-dimensional blood vessel model;

[0104] S02, performing N-edge mesh division along the circumferential surface of the three-dimensional blood vessel model, forming the following image 3 The single-layer mesh model shown, where N≥6;

[0105] S03, performing surface stratification processing on the single-layer grid model to form a double-layer grid model, that is, as figure 1 The mathematical model of the blood vessel is shown.

[0106] The present application provides a method for synthesizing the frustum vascular mathematical model for fluid mechanics analysis, which solves the problem in the prior art that there is no blood vessel...

Embodiment 2

[0108] The application provides a synthesis method for the mathematical model of the frustum of a cone vessel used in fluid mechanics analysis, such as figure 2 shown, including:

[0109] S01, according to the real-time diameter of blood vessels D t , the length L of the center line of the blood vessel for three-dimensional modeling to form a three-dimensional blood vessel model, such as Figure 6 shown, including:

[0110] S100, acquiring coronary angiography images of at least two body positions; preferably, the angle between the two body positions is greater than or equal to 30 degrees;

[0111] S200, acquiring a vessel segment of interest from the two-dimensional coronary angiography image;

[0112] S300, pick up the starting point and the ending point of the vessel segment of interest;

[0113] S400, segment the local blood vessel region map corresponding to the starting point and the ending point from the two-dimensional coronary angiography image, such as Figure ...

Embodiment 3

[0169] Such as Figure 18As shown, the present application provides a device for synthesizing a mathematical model of blood vessels, including: a three-dimensional blood vessel model structure 1 connected in sequence, a single-layer grid model structure 2 and a circular frustum blood vessel mathematical model structure 3, the blood vessel mathematical model structure 3 connected with the three-dimensional model structure 1; the three-dimensional blood vessel model structure 1 is used to t 3. Three-dimensional modeling is performed on the length L of the center line of the blood vessel to form a three-dimensional blood vessel model; the single-layer grid model structure 2 is used to perform N-sided grid division along the circumferential surface of the three-dimensional blood vessel model to form a single-layer grid model, wherein N≥6; the mathematical model structure 3 of blood vessels is used to perform surface layering processing on the single-layer grid model to form a doub...

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Abstract

The invention provides a synthesis method and device of a circular truncated cone blood vessel mathematical model for hydromechanics analysis. The method comprises the following steps: carrying out the three-dimensional modeling according to the real-time diameter Dt of a blood vessel and the length L of a central line of the blood vessel, and forming a three-dimensional blood vessel model; performing N-sided mesh generation along the circumferential surface of the three-dimensional blood vessel model to form a single-layer mesh model; and performing surface layering processing on the single-layer grid model to form a double-layer grid model, namely a blood vessel mathematical model. The invention solves the problem that no blood vessel three-dimensional grid model for hydromechanics analysis exists in the prior art, and the blank of the industry is filled up; and due to the fact that the blood vessel wall has a certain thickness and the problem of stenosis mainly occurs on the inner wall of the blood vessel, the blood vessel mathematical model is built into the double-layer grid model, the double-layer grid model has a certain thickness, the inner-layer grid model has elasticity,the blood flow velocity can be corrected, and the blood vessel model is closer to the real state of the blood vessel.

Description

technical field [0001] The invention relates to the technical field of coronary artery medicine, in particular to a method, device and system for synthesizing a frustum vascular mathematical model for fluid mechanics analysis. Background technique [0002] The deposition of lipids and sugars in human blood on the blood vessel wall will form plaques on the blood vessel wall, which in turn will lead to vascular stenosis; especially the vascular stenosis near the coronary artery of the heart will lead to insufficient blood supply to the myocardium and induce coronary heart disease , angina pectoris and other diseases pose a serious threat to human health. According to statistics, there are about 11 million patients with coronary heart disease in my country, and the number of patients treated with cardiovascular interventional surgery is increasing by more than 10% every year. [0003] Conventional medical detection methods such as coronary angiography (CAG) and computed tomogr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/10G06T17/30G06T7/11G06T7/66
CPCG06T17/10G06T17/30G06T7/66G06T7/11G06T2207/30101G06T2207/10081G06T2207/10116
Inventor 王之元刘广志徐磊王鹏
Owner SUZHOU RAINMED MEDICAL TECH CO LTD
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