Calibrating Pressure — How We Make It Match Reality
Calibrating Pressure — How We Make It Match Reality
The pressure shown on a pump’s display doesn’t always match what’s happening inside a vascular model. This article explains how we calibrate our internal pressure sensors using real-world reference data — and why applying a correction formula is key for realistic results in medical simulation.
Pulsatility and Compliance — More Than Just Flow Rates
Pulsatility and Compliance — More Than Just Flow Rates
In this article, we dive into the importance of simulating the rhythmic pressure waves of the heart and the flexible behavior of vascular walls. You'll learn why pressure alone isn’t enough, how compliance shapes waveform response, and why using full stroke volume can cause unrealistic results in small vascular models.
The Physics Behind Flow — Bernoulli, Continuity, and Pressure Drop
The Physics Behind Flow — Bernoulli, Continuity, and Pressure Drop
How Classic Laws of Fluid Dynamics Explain What You See
Why does pressure drop inside your vascular model? And why does fluid slow down in wider vessels even though the pump output stays the same? This article explores how Bernoulli’s principle, the continuity equation, and Poiseuille’s law explain what you observe in pulse duplicating systems — complete with a real-world case study and step-by-step calculation. A must-read for anyone using pumps in medical simulation.
Understanding Fluid Dynamics in Pulsatile Pump Systems: How We Simulate Real Blood Flow
Why does the pressure on your pump screen differ from what you measure inside your vascular model? This article explains how pressure changes as fluid moves through tubing, enters larger vessels, and interacts with compliant model walls. Learn why a higher pump setting may be needed to simulate realistic physiological conditions — and how understanding basic fluid dynamics can improve the accuracy of your simulation setup.
The Best 3D Printers for Printing Patient-Specific Medical Training Models in 2023
We're always asked what we think are the best and most reliable entry-level 3D printers for making medical models. With this first blog article on this topic, we want to answer that question focusing on rigid model fabrication using FDM 3D printing.
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