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Design, fabrication and characterization of a Pneumatic Origami Artificial Heart

Rifé Badia, Júlia (2025) Design, fabrication and characterization of a Pneumatic Origami Artificial Heart.

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Embargo date:1 January 2027
Abstract:Soft robotics have the potential to shape the next generation of medical devices, such as artificial hearts, primarily because of their remarkable flexibility and behavior similar to biological tissues. The intrinsic ability of soft robotic materials to achieve complex deformations allow these devices to closely mimic the natural dynamics of the human heart, improving their adaptability within the body and reducing the risk of tissue damage. These promising features can improve the heart’s performance metrics and, due to the bio-compatibility of soft robotics, they open the door to more innovative and patient-specific solutions. This study explores the design, fabrication, and experimental characterization of a Pneumatic Origami Artificial Heart (pNOAH). This novel heart design combines soft and flexible materials with rigid components, allowing for certain flexibility while maintaining structural integrity. pNOAH operates through pneumatic actuation, being able to compress under positive pressure to eject blood and refill using negative pressure. In addition, it leverages origami patterns to achieve large deformations, resulting in high output-to-input volume changes at a maximum ratio of 2:1. Further work is needed, but the preliminary results show promising potential for this new heart concept.
Item Type:Essay (Master)
Faculty:TNW: Science and Technology
Subject:52 mechanical engineering
Programme:Biomedical Engineering MSc (66226)
Link to this item:https://purl.utwente.nl/essays/105311
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