---
title: What Bioengineers Should Know About Mock Circulatory Loops
description: Learn more about Mock Circulatory Loops, their in-vitro bench simulation uses, in-vitro bench testing .
image: https://blog.transonic.com/hubfs/Screen%20Shot%202020-02-10%20at%202.19.24%20PM.png
---

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# What Bioengineers Should Know About Mock Circulatory Loops

By [John Haberstock](https://blog.transonic.com/life-science-research/author/john-haberstock)25 Feb 2020

Mock Circulatory Loops are mechanical representations of the human cardiovascular system and serve as a platform for testing the proof of concept for a device. Proof of principle is then demonstrated via *in-vivo* animal testing before proceeding with the clinical testing of the device itself.

Mock Circulatory Loops are made of tubing flow channels, compliance chambers and a pump that mimics the arterial and/or venous circulatory system. Circulatory models ![Screen Shot 2020-02-10 at 2.19.24 PM](https://blog.transonic.com/hs-fs/hubfs/Screen%20Shot%202020-02-10%20at%202.19.24%20PM.png?width=300&name=Screen%20Shot%202020-02-10%20at%202.19.24%20PM.png)simulate pressure/resistance changes within a physical system which then can be monitored with flow and pressure sensors.

The real-time monitoring of flow in the loop gives hands-on feedback to manipulations of the cardiovascular system without the need to use animal subjects.

Mock Circulatory Loops can also be used as a safe and low-cost training platform for clinical students. Students can learn about normal and abnormal conditions of cardiovascular hemodynamic function without having to use *in vivo* models.

[Dr. George Pantalos](https://blog.transonic.com/oem-blog/cardiovascular-explorer-depends-on-transonic-flow-measurements-for-research) and his team at the University of Louisville developed one of the first most widely cited mock circulatory loops, which uses a four-chamber design to evaluate left ventricle and ventricular assist device function.

Learn more about Mock Circulatory Loops, their in-vitro bench simulation uses, in-vitro bench testing and more [in this guide.](https://info.transonic.com/oem-bioengineer-guides)

 

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