Additive Manufacturing Strategies

3D Printed Models used to develop Smart Cardiac Catheters by EU Researchers and Materialise

ST Medical Devices

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The European Union recently awarded funding to Belgium-based additive manufacturing company, Materialise. Materialise is receiving funding as part of the Cognitive Autonomous Catheter Operating in Dynamic Environments, or ‘Cascade Project’. The Cascade Project is a research team made up of seven partner institutes around the European Union, including the University of Leuven in Belgium, University College London in England and the University of Bremen in Germany.

3D Printed Catheter made with Materialise's HeartPrint Flex Material

3D Printed Catheter made with Materialise’s HeartPrint Flex Material

The project’s primary mission is to develop a new line of robotic catheters that will be able to identify areas in a patient’s blood vessels that are at risk during cardiac catheterizations, a medical procedure used to diagnose and treat some heart conditions.

During a cardiac catheterization, a catheter is put into a person’s blood vessels through the arm, upper thigh or neck. The catheter is then threaded to the person’s heart. Once the catheter is in place, doctors are able to do diagnostic tests and treat ailments as necessary. Though cardiac catheterization rarely causes serious complications, there is a risk.

If the Cascade Project is able to create “smart” catheters, the catheters would be able to actively change their course within a person’s vascular tree, reducing or even eliminating cardiac catheterization-related complications such as dislodging plaque or calcium into the circulatory system or damaging arterial walls.

heart

To aid in the creation of smart catheters, Materialise is providing researchers with life-like 3D-printed models to use in their research. The models were created from the CT images of real patients. The CT images were inputted into Mimics, Materialise’s 3D-imaging software, and then 3D printed by Materialise using its proprietary HeartPrint Flex material. HeartPrint Flex is an artificial substance that gives models a flesh-like feel and appearance. It even pulses when attached to a pump to simulate blood flow.

Cascade Project researchers also may study other possible circulatory-system related pathologies in their testing environment such as aneurysms, extensive calcifications and even hearts with anatomical abnormalities which cause them to be distorted in shape.

During a recent review by international scientists and EU representatives, the Cascade Project received positive feedback, which may allow the project to research related issues in the years to come.

Learn more about the Cascade Project at https://www.cascade-fp7.eu/ and Materialise’s biomedical additive manufacturing technologies at https://biomedical.materialise.com/heartprint.  Let us know what you think about this amazing technology in the Materialise 3D printed cardiac catheter forum thread on 3DPB.com.  Below is a quick clip related to Materialise’s HeartPrint technology.

 

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