The Tel Aviv University team’s model is the first to be printed with all blood vessels, ventricles and chambers, using ink made from the patient’s biological materials
— Israeli researchers have printed a 3-D heart using a patient’s own cells, something they say could be used to patch diseased hearts — and possibly, full transplants.
“It’s completely biocompatible and matches the patient,” reducing the chances of rejection inside the body, said Tal Dvir, the professor who directed the project. Previously, only simple tissues — without the blood vessels they need to live and function — had been printed, according to a press release from the university. The breakthrough was reported Monday in a paper in Advanced Science.
In a room off a warren of laboratories, a massive 3-D printer sent a thin stream of “bio-ink” into a small square container. Inside sat a small heart the size and colour of several pencil erasers.
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