Zurich Heart brings researchers together

Cohrs and Petrou met in the Zurich Heart Project, a flagship project of University Medicine Zurich that brings together 20 research groups from various disciplines and institutions in Zurich and Berlin. Part of the research focuses on improvements on existing blood pumps, such as how to reduce blood damage induced from the mechanical parts of the pump, while others explore extremely elastic membranes or more biocompatible surfaces. This is done in close collaboration with the clinicians in Zurich and Berlin.


The lively exchanges among the researchers also helped this Zurich Heart sub-project. Doctoral students of Product Development Group Zurich, who are working on new technologies for blood pumps, have developed a testing environment with which they can simulate the human cardiovascular system. The researchers of the silicone heart made use of this testing environment for their development process which also included the use of a fluid with comparable viscosity as human blood. "Currently, our system is probably one of the best in the world," says Petrou proudly.

Researching the heart is an appealing task, and Cohrs and Petrou would both like to remain in this research field. "As a mechanical engineer, I would never have thought that I would ever hold a soft heart in my hands. I'm now so fascinated by this research that I would very much like to continue working on the development of artificial hearts," says Petrou.

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