[Hemodynamics study of cardiovascular system in vitro simulation].

Area of Science:

• Biomedical Engineering
• Physiology
• Medical Devices

Context:

• Understanding cardiovascular hemodynamics is crucial for developing effective medical devices, particularly blood pumps.
• Existing simulation methods may not fully capture the complex interplay of physiological parameters.
• Accurate hemodynamic simulation is essential for device testing and validation.

Purpose:

• To create and validate a series of cardiovascular simulation devices.
• To investigate the relationships between key hemodynamic parameters and circulatory system variables.
• To assess the impact of parameter variations on arterial pressure and flow rate.

Summary:

• Developed elastic chamber-based cardiovascular simulation devices to model blood circulation hemodynamics.
• Investigated relationships between hemodynamic parameters (pressure, flow rate) and factors like afterload, cardiac output, and preload.
• Experimental results aligned with mathematical models and physiological expectations, validating the simulation devices.

Impact:

• Provides a reliable tool for studying cardiovascular hemodynamics.
• Facilitates the evaluation and development of blood pumps and other cardiovascular devices.
• Enhances understanding of the cardiovascular system's response to physiological changes.