Stent selection method based on three-dimensional reconstruction of coronary artery

A coronary artery, three-dimensional reconstruction technology, applied in the field of medical devices, can solve the problem that the stent cannot be selected in advance

Inactive Publication Date: 2018-12-21
SICHUAN UNIV
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Problems solved by technology

[0003] Aiming at the above-mentioned deficiencies in the prior art, a stent selection method based on three-dimensional c...

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  • Stent selection method based on three-dimensional reconstruction of coronary artery

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Embodiment Construction

[0023] The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.

[0024] Such as figure 1 As shown, the stent selection method based on three-dimensional coronary artery reconstruction comprises the following steps:

[0025] S1. Obtain the hemodynamic parameters in the coronary CT angiography data and the diameters of the coronary arteries in the coronal plane, sagittal plane, and cross-section in the thin-slice CT image;

[0026] S2. According to the diameter of the coronary artery in t...

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Abstract

The invention discloses a stent selection method based on three-dimensional reconstruction of a coronary artery, which comprises the following steps: S1, acquiring hemodynamics parameters in coronaryartery CT contrast data and diameters of coronary artery in coronal plane, sagittal plane and cross section in thin-section CT image; S2, performing three-dimensional reconstruction according to the acquired data to obtain a 3D model of the coronary artery; S3, obtaining the initial blood flow reserve fraction in the coronary artery 3D model according to the hemodynamics parameters in the coronaryCT contrast data; S4, singly implanting different virtual stents in the 3D model of the coronary artery to obtain 3D models with implantation of different virtual stents; S5, adjusting the implantation position of each virtual stent to obtain the blood flow reserve fraction corresponding to different positions of each stent; S6, selecting the virtual stent and implantation position correspondingto the highest blood flow reserve friction to complete the stent selection. According to the invention, the method overcomes the disadvantage that the clinical stent selection can only rely on experience.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a method for selecting a stent based on three-dimensional reconstruction of a coronary artery. Background technique [0002] Coronary heart disease is a disease in which atherosclerosis of the coronary artery wall leads to coronary stenosis or obstruction, causing myocardial ischemia, hypoxia, necrosis and a series of complications. Stent implantation is usually used in the treatment of coronary heart disease, but the stent implantation plan for patients with myocardial ischemia caused by coronary stenosis is still mainly based on the experience of interventional cardiologists. It is necessary to judge the degree of coronary stenosis and cardiac ischemia reflected in the images, and to judge the effect of surgical treatment based on imaging results after surgery. However, the whole process has strict requirements on the experience and background knowledge of interventional physici...

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Application Information

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IPC IPC(8): A61F2/90
CPCA61F2/90
Inventor 刘琦肖一刘璐邸宇航张子涵
Owner SICHUAN UNIV
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