3D printing: "Bio Ink" is changing the history of human medical

Almost since 2012, the domestic 3D printing boom has exploded, and many 3D printing technologies that are unknown in the industry have been pushed into the spotlight.

When it comes to 3D printing, in fact, it is based on the computer 3D design model. It uses software layered discrete and CNC forming systems to use laser beams, hot melt nozzles, etc. to make metal powder, ceramic powder, plastic, cell tissue and other special materials. The layers are stacked and bonded, and finally stacked to form a solid product.

The biggest difference between a 3D printer and a conventional printer is that the "ink" it uses is a real raw material. Common materials for 3D printing are nylon glass fiber, durable nylon material, gypsum material, aluminum material, titanium alloy, stainless steel, silver plated, gold plated, rubber material and so on. Nowadays, 3D printing is being applied by various industries. It can not only print out the food, wear, and use. Surprisingly, it can even save the wounded.

The website of Organovo of the United States once pointed out that regenerative medicine is a rapidly developing field of science and technology, shouldering the heavy responsibility of rewriting the history of human medical treatment. The production of organs through 3D printing technology can not only solve the problem of shortage of transplanted organ resources, but also have a profound impact on drug development.

The most direct application of 3D printing in the medical world is the construction of a wide variety of organs or tissue 3D models. For 3D bioprinters, it's not that simple, because what they need is "bio-ink" - human cells.

In the past two years, we have heard a lot of exciting applications about bio 3D printing technology. The world's first 3D printing technology was used for clinical cases. The US media reported the world's first 3D printed organ transplant, which caused many researchers and bio-investors to pay attention. The University of Michigan Public Medical Center created an artificial trachea through 3D printing technology that was successfully transplanted into a US baby that was only six weeks old.

3D printed organ models, such as heart copies, are ideal for practicing complex surgeries, allowing surgical surgeons to see the precise anatomy of the surgery they are performing. It is not difficult to imagine that future medical scholars can even replace 3D printed anatomical specimens with precious human anatomical specimens.

Regarding the use of 3D printing in medical applications, it has also achieved rapid development in China. It is reported that Peking University Third Hospital is studying the use of 3D printing technology to print "skeleton". Up to now, the North Hospital Third Hospital has indicated that the first patient with a spinal titanium alloy "skeletal" has a good treatment effect. Some industry experts said: "It indicates that orthopedic surgery is about to enter a new era. The future of medical treatment will be greatly affected by 3D printing technology, from printing bones, simulation medical models, to tailor-made organ substitutes, will be One by one to achieve and popularize."

For the medical community, 3D bioprinting technology heralds a new medical revolution or a future. From simulation medical models, biomedical devices, to more personalized transplant tissues or trachea, and more potential biopolymer materials, they will be gathered under 3D printing.

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