In developed countries, the pharmaceutical and medical device market accounts for 1:1, while in China it is only 10:7, which means that China's medical device market still has a lot of profit margins. 3D printing technology and new biomaterials have become development Goals. In the 21st century, the development of 3D printing technology has entered the fast lane. The new revolution led by it has accelerated the precision, individualization and remoteness of medicine. In the future, the production mode of medical devices will also be customized from the traditional assembly line.
Industry standards need to be resolved
The lack of industry standards for 3D printing is an embarrassing situation that is common both at home and internationally. At present, there is no corresponding regulation for 3D printing in the world. The American Society for International Materials Testing (ASTM) has established a 3D printing industry standard to define 3D printing. The classification is stipulated, but the details are not expanded. The establishment of relevant laws and regulations requires the joint efforts of the scientific community and the legal community. Academician Dai Kezhen believes that 3D printing has a larger development space in the rehabilitation aid market than print-implanted bone, and it will be easier to approve the policy.
The market is large and lacks awareness
Professor Chen Jimin of the Institute of Laser Engineering of Beijing University of Technology believes that although 3D printing has advantages in preoperative planning and application of personalized medical aids, such as 3D printing technology instead of CNC to make dental molds, this technology is not irreplaceable. The development of the traditional medical device market has only played a icing on the cake. Therefore, although 3D printing technology is approaching maturity, its commercialization has just started. For the Chinese market, it is extremely urgent to solve the problem of localization of printing materials.
Active tissue printing is a problem
The design and development of new materials is key in 3D printing technology. How to use 3D printing technology to make the printed matter of combined cells and materials active is a major problem in the application of this technology in the field of biomedicine. Professor Liu Dongsheng of Tsinghua University introduced the polypeptide-DNA hybrid hydrogel prepared by DNA sequence design, which not only has the characteristics of second, grade, high strength, self-healing and permeability, but also prints. The cells maintain a high survival rate, have normal biological morphology and cell function, and create conditions for living transplantation of 3D printed organs.
In the future, more and more hospitals may establish 3D printing R&D centers to form core technologies in the upper, middle and lower reaches. The needs of patients and the innovative thinking of doctors will jointly advance the progress of 3D printing technology, and the cultivation of interdisciplinary talents in medical engineering will also play an important role.
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