From 3D Printing to Bioprinting and Precision Medicine

From How 3D printing is revolutionizing healthcare as we know it | TechCrunch

3D printing is performed by telling a computer to apply layer upon layer of a specific material (quite often plastic or metal powders), molding them one layer at a time until the final product — be it a toy, a pair of sunglasses or a scoliosis brace — is built. Medical technology is now harnessing this technology and building tiny organs, or “organoids,” using the same techniques, but with stem cells as the production material. These organoids, once built, will in the future be able to grow inside the body of a sick patient and take over when an organic organ, such as a kidney or liver, fails.

researchers in Spain have now taken the mechanics of 3D printing — that same careful layer-upon-layer approach in which we can make just about anything — and revealed a 3D bioprinter prototype that can produce human skin. The researchers, working with a biological ink that contains both human plasma as well as material extracts taken from skin biopsies, were able to print about 100 square centimeters of human skin in the span of about half an hour.

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A 3D-printed pill, unlike a traditionally manufactured capsule, can house multiple drugs at once, each with different release times. This so-called “polypill” concept has already been tested for patients with diabetes and is showing great promise.