Artificial heart valves are crucial for treating valvular heart disease, and due to their application in various populations, the quality and performance requirements are extremely stringent. Valves function by opening and closing to guide the blood within the heart to flow in the correct direction. If narrowing or incomplete closure occurs during the opening and closing process, it can lead to insufficient blood circulation, causing complications such as thrombosis. Therefore, ensuring the normal opening and closing of artificial heart valves and their fatigue performance is key in technical research.
In the study of novel heart valves, the instantaneous speed of valve opening and closing is very fast, making it impossible to clearly observe the process of opening and closing, thereby preventing further understanding of the valve's function. A key medical technology company used Revealer high-speed camera in their heart valve research experiments to observe the opening and closing process of the heart valve, evaluating the opening and closing state and fatigue characteristics of the new valve.
Experiment Process
This experiment is divided into two groups. The first group of high-speed cameras captures at a speed of 1850*860@1000fps, while the second group of high-speed cameras captures at a speed of 2320x1720@500FPS. The diameter of the artificial heart valve is 3cm, with an opening and closing frequency of 17HZ. Both groups of experiments accurately observed the opening and closing states.
This experiment clearly observed the complete opening and closing actions of artificial heart valves, examined the state of valve opening and closing, and through further observation of wear and fatigue parts of heart valve components, a preliminary assessment of the valve's fatigue durability performance was conducted.
With the continuous iteration and updating of artificial heart valve technology, research on various new materials, multi-coupling design, preparation, and performance has become increasingly crucial. High-speed cameras, as precision scientific instruments, can help researchers observe more details in heart valve experiments, test the fatigue wear characteristics of new valves, and prepare new artificial heart valves with greater commercial value and clinical application.
