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Chinese researchers to develop 3D skin printing technology

TaiShang

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Chinese researchers to develop 3D skin printing technology
Xinhua, August 4, 2016

Chinese researchers and companies are developing the technology and processes to make 3D-printed skin a reality, and they expect to achieve this within two to three years.

Wu Jun, director of the Burns Institute at the Southwest Hospital in Chongqing, said he has been testing the process with pig skin.

"In printing skin, the biggest challenge is the 'ink.' We need to find the right material that can be made into a certain form while not damaging its activity," he said. The ink he refers to is the skin tissue, at the current time, 3D printing in the medical industry mostly produces hard items, the flexibility of skin makes this process more difficult.

"I expect the process to be finalized within two to three years," he said.

"Many other researchers are at the same stage as us, so we are moving fast to be the first to make this breakthrough," he said.

The aim is to make custom-made skin for burns patients that will be printed according to their wounds.

3D printing has been used in many operations, but there are still a few more years to go until we can successfully print live tissue or organs, Wu said.

Some researchers across the globe have printed small tissue samples in a lab environment, but the challenge is to keep it alive, functional and fit for clinical use, he said.

There is a 3D printing factory for medical products under construction in Chongqing, said Yang Chen, manager of Hkable Biological 3D (China) Co. Ltd.

The factory, a joint venture between U.S.-based Hkable and Chinese biotechnology company Jintai in Chongqing, is the first 3D medical printing factory in China.

"We will use 3D printers to make splints and artificial limbs in the beginning, then we will develop more advanced stem cell-printed products," Yang said.

Across China, there have been a number of successes using 3D printing for surgical purposes.

In June, doctors in Peking University Third Hospital replaced five vertebrae with 3D-printed replicas in a cancer patient. The 3D-printed vertebrae measured 19 centimeters, the longest ever in a successful operation.

"3D printing is changing medicine," said Dai Kerong, an academic with the Chinese Academy of Engineering.

"Mass-produced joints do not fit every patient, there is a need for custom-made 3D printed joints," he said.

"This is only the beginning, however, we must make sure 3D medical applications are properly supervised," said Dai.
 
3D printing factory for medical products starts construction
(Xinhua) 17:27, July 21, 2016

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File Photo

CHONGQING, July 21 (Xinhua) -- A 3D printing factory for medical products has started construction in southwest China's Chongqing Municipality, the first of its kind in the country.

The project started after the Fengdu county government of the municipality and the Hkable Biological 3D (China) Co., Ltd., a joint venture between U.S.-based Hkable and local biotechnology company Jintai, signed a cooperation agreement on Tuesday.

The factory, with an estimated cost of 50 million yuan (7.5 million U.S. dollars), will include centers for 3D printing, research and development, data processing and logistics.

It will produce human part molds to help with surgery for orthopedics, burns and dentistry, as well as artificial parts, such as limbs, said Yang Chen, manager with the joint venture.

Construction of the project will last about half a year, and operations are expected to launch in early 2017, he said.
 
Scientists are developing technology to print skin on a 3D printer
BY SPACE · AUGUST 5, 2016

Chinese scientists have announced the start of works on creation of technology that will restore human skin with a 3D printer.

The project will last for 2-3 years. As a result, experts expect to create a device that can produce an analogue of human skin according to the principle of modern 3D printers. According to the researchers, the main complexity will be associated with the development of ink.

As you know, doctors have a long time practice of 3D printing technology in the manufacture of dentures. But we are talking about solid material. But the process of obtaining a structure similar to human skin, which would have sufficient flexibility and could, if necessary, to change its shape, yet scientists do not comprehend.

Scientists hope that as a result they will be able to teach the printer to form an artificial skin, similar in its properties to the human epithelium. First and foremost, this technology can find its application in the treatment of burns.

Recall that 3D printing is already being used in hospitals in many countries. With her help, doctors have learned to successfully reconstruct the different parts of the human body: noses, ears, and limbs. Last year, the Chinese experts managed to implant a 3-year-old skull fragments, made on a 3D printer. Now it is for the skin.
 
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