Medical 3D printing materials and technical problems under the blue ocean
In recent years, with the rapid development of 3D printing technology, this technology has begun to be applied to clinical medicine . It can accurately replicate a variety of human tissues, organs and drugs, from the kneecap to the liver, from anticancer drugs to DNA, etc., industry insiders pointed out that perhaps one day humans can "print themselves."
"3D printing technology has been heating up in China in recent years." Su Hong, executive vice president and technical director of Hangxing Lihua (Beijing) Technology Co., Ltd., said in an interview with the "China Enterprise News" reporter, especially in the medical field, 3D printing. It is developing very fast and has a broad space for development in the future. At the same time, Su Honggang also pointed out that compared with developed countries, there is still a certain gap in China's 3D printing medical applications, and there is still a need to break through in the research and development of new materials and multidisciplinary collaboration.
3D printing breaks through medical difficulties
Peking University Third Hospital announced in June this year that the world's first metal 3D printing custom 19 cm artificial spine implant was successfully completed. This also marks the official opening of the artificial vertebral body in China's 3D printing technology.
In May of this year, the State Food and Drug Administration approved the registration of China's first metal 3D printed human implant - artificial vertebral body. This kind of product belongs to the three types of orthopedic implants directly implanted into the human body, and is the medical device with the highest supervision level in China.
The Xu Yuan (pseudonym) elderly who suffered from spinal injuries is the beneficiary of 3D printing technology for clinical medicine. Due to his age, Xu Yuan has a strong risk of performing traditional surgery. After consulting with Xu Yuan, the doctor decided to use 3D printed spinal surgery guides for adjuvant treatment.
First, data acquisition is performed on the human body through a 3D scanner device, and data matching and positioning is performed in combination with CT scan data. Through the 3D design software, the angle, position and length of the lower needle are designed, and the guide plate is printed by the SLA process. In the end, the doctor successfully completed the surgery of Xu Yuan’s elderly. The star 3D technology is provided by Hangxing Lihua (Beijing) Technology Co., Ltd. (hereinafter referred to as Hangxing Lihua).
Su Honggang told reporters that minimally invasive surgery is a relatively common procedure, but how to accurately determine the position of the needle is a problem. This problem was solved with the help of 3D printing technology. The above case assisted surgery with 3D printing technology to accurately determine the position of the lower needle.
"Our company currently produces more than the most common applications such as surgical guides and accessories, and more energy is devoted to the research and promotion of orthopedic metal implants. We and the Union Hospital have conducted relevant theoretical research and some Animal experiments, also applied for more than a dozen related patents." Su Honggang said that 3D printing customized drugs are also constantly advancing, the University of Central Lancashire in the United Kingdom uses 3D printing technology to develop drugs for patients to customize, US food The first 3D printing drug, SPRITAM, was approved by the Drug Administration (FDA) in 2015. It can be said that 3D printing is widely used in the medical field.
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