3D-Printed Artifical Blood Vessel

Oct-27-19 A 3D-printed artificial blood vessel could help open the door to bespoke vascular grafts for treating cardiovascular disease.

The engineered blood vessels were created by teams from South Korea and Hong Kong using bioinks made up of an extracellular matrix specific to vascular tissue, which both preserved the complexity of the vessels while also encouraging anti-thrombotic properties. The vessels were then cultured in the lab to enhance particular properties, such as thickness, cellular alignment and ability to contract. In tests on lab rats, the animals’ own fibroblasts formed a connective layer of tissue on top of the implant, beginning the process of incorporating it into the surrounding tissue.

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