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Method and device for evaluating aortic dissection far-end crevasse plugging treatment scheme

A technology for aortic dissection and treatment plan, which is applied in the field of biomedical engineering and can solve the problems of false lumen expansion, the necessity of distal rupture treatment and the lack of detailed discussion of treatment plans.

Pending Publication Date: 2021-07-23
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

And a proven unoccluded tear may lead to continued expansion of the false lumen
However, the need for and treatment options for distal tears have not been discussed in detail

Method used

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  • Method and device for evaluating aortic dissection far-end crevasse plugging treatment scheme
  • Method and device for evaluating aortic dissection far-end crevasse plugging treatment scheme
  • Method and device for evaluating aortic dissection far-end crevasse plugging treatment scheme

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specific Embodiment

[0064] The method for the closure of the distal breach of the aortic dissection comprises the following steps:

[0065] Patient model acquisition modules such as figure 1 As shown, the tomographic vascular image data of the patient's vascular CTA was obtained from the hospital, and the vascular model was obtained by using the mimics software through the half-threshold automatic segmentation and reconstruction method and exported in STL format. Use Geomagic Studio to smooth the model, aiming to reduce the number of meshes and improve the speed of hemodynamic calculations. At the same time, establish a preoperative model of the patient, seal the main tear (virtual TEVAR surgery) model, and seal the distal tear (virtual distal breach closure surgery) model.

[0066] An index evaluation module was constructed to calculate the hemodynamic indexes of the patient before and after virtual distal tear closure surgery and simulated TEVAR surgery, so as to quantify the effect of TEVAR s...

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Abstract

The invention discloses a method and device for evaluating an aortic dissection far-end crevasse plugging treatment scheme. The method comprises the steps: (1) collecting medical image data of a patient who is not subjected to a TEVAR operation, extracting a specific three-dimensional model of the patient, building a preoperative model of the patient, a plugging main tear (virtual TEVAR operation) model, and a plugging far-end crevasse (virtual far-end crevasse occlusion surgery) model for hemodynamic calculations; (2) calculating hemodynamic indexes of the patient before and after a virtual TEVAR operation and before and after a virtual far-end crevasse occlusion operation, so as to quantify the influence of the TEVAR operation and the far-end crevasse occlusion operation on hemodynamics between true and false aorta cavities; and (3) according to the hemodynamic indexes, further evaluating the surgical scheme for placing a far-end crevasse plugging device. The method and the device aim to display the blood flow state in a B-type aortic dissection by using hemodynamic indexes and provide quantitative judgment indexes for the treatment effect.

Description

technical field [0001] The invention relates to the technical field of biomedical engineering, in particular to a method and a device for evaluating a treatment plan for blocking aortic dissection at the distal end. Background technique [0002] With the continuous advancement of medical technology, the level of treatment of type B aortic dissection has been significantly improved, but there are still many bottlenecks. For example, for patients with type B aortic dissection with many breaches, the necessity of closure of the distal breaches and the long-term benefit of the patients after closure of the distal breaches have been paid more and more attention. [0003] In the field of traditional medicine, doctors often judge whether to intervene based on the symptoms of patients during follow-up after TEVAR surgery and whether there is tumor-like expansion in the distal false lumen. At the same time, the most appropriate endovascular treatment method is selected according to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B34/10G06F30/23G06F30/28G16H50/20G16H50/50G06F119/14G06F113/08
CPCA61B34/10G06F30/23G06F30/28G16H50/20G16H50/50A61B2034/105A61B2034/107A61B2034/108G06F2119/14G06F2113/08
Inventor 陈端端姚韵楚李振锋梅玉倩祝敏佳
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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