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Artificial heart valve extracorporeal circulation pulsating flow experiment system and experiment method

A technology of artificial heart valve and extracorporeal circulation, applied in the direction of heart valve, etc., can solve problems such as poor stability and inability to adjust physiological conditions, and achieve the effect of changing compliance

Pending Publication Date: 2022-01-14
LANZHOU UNIVERSITY OF TECHNOLOGY
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AI Technical Summary

Problems solved by technology

[0005] Through the above understanding of the existing technology, it can be seen that the existing technology has poor stability and cannot be adjusted to adapt to different physiological conditions

Method used

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  • Artificial heart valve extracorporeal circulation pulsating flow experiment system and experiment method
  • Artificial heart valve extracorporeal circulation pulsating flow experiment system and experiment method
  • Artificial heart valve extracorporeal circulation pulsating flow experiment system and experiment method

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Embodiment Construction

[0061] The human blood circulation system is a closed transportation system composed of the heart, arteries, capillaries and veins, including the systemic circulation and the pulmonary circulation. , and can conveniently develop the pulsating flow simulation system of extracorporeal circulation. The present invention simplifies the pulsating flow simulation system of extracorporeal circulation, focusing on simulating the circuit of the human body circulation system, so as to adapt to the design of the pulsating flow simulation system of artificial heart valve extracorporeal circulation. It is required to be as close as possible to the main physiological parameters of the real human systemic circulation, mainly simulating physiological parameters such as heart rate, stroke volume, cardiac output, left ventricular pressure, arterial pressure, aortic compliance, and systemic circulation resistance.

[0062] The test object of the test system of the present invention is a mechanica...

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Abstract

The invention discloses an artificial heart valve extracorporeal circulation pulsating flow experiment system and an experiment method. The invention belongs to the technical field of medical experiment equipment, and particularly relates to improvement of an artificial heart valve extracorporeal circulation pulsating flow experiment system technology. The simulated circulation system comprises an experimental medium supply source, a simulated vein system, a simulated left atrium, a simulated left ventricle and a simulated artery system, the simulated left ventricle is further provided with a pulsation driving device, and the tested artificial heart valve comprises an artificial mitral valve and an artificial aortic valve. According to the system, preclinical safety and risk assessment can be carried out on the artificial heart valve, an important role is played in verification of a calculation model and fluid simulation, and an experimental basis is provided for performance optimization of the valve. The extracorporeal circulation pulsating flow experiment system not only can evaluate the performance of an artificial heart valve, but also plays an important role and significance in developing artificial heart, artificial lung and other cardiovascular artificial organs.

Description

technical field [0001] The invention belongs to the technical field of medical experiment equipment, and in particular relates to the improvement of the artificial heart valve extracorporeal circulation pulsating flow experiment system technology. Background technique [0002] With the prolongation of human life and the aging of the population, the incidence of heart failure and heart valve disease is getting higher and higher. Since there is no effective drug treatment, the implantation of artificial heart, artificial heart valve and other devices in the human body is now used as the main treatment method to restore normal cardiovascular output and hemodynamic performance. The evaluation of the hemodynamic performance of artificial heart valves has always been an important topic in the field of biomedical engineering, and it is one of the main tasks in the development and manufacture of new artificial heart valves. Restoring the normal cardiovascular function of patients w...

Claims

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Application Information

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IPC IPC(8): A61F2/24
CPCA61F2/2472
Inventor 强彦刘富荣魏列江张庆
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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