"Weapons" for bio-precise medical treatment: 3D printing

OFweek Medical Technology Reuters just a few decades, with the development of 3D printing, and its applications are also more and more widely in the biomedical field is made more difficult to measure results. The application of 3D printing in the field of biomedicine mainly reflects the printing of human tissues or organs, forming functional living tissues, and arbitrarily shaping according to the shape of defects, and finally replacing and repairing defective tissues or organs with perfect shapes.

On November 14th, the “OFweek 2017 (2nd) China Medical Technology Conference”, hosted by OFweek China High-tech Industry Portal and the High-Tech Association, was officially opened in Shenzhen. Hu Qingxi, director and professor of the Rapid Manufacturing Engineering Center of Shanghai University, revealed the magic of bio-CAD, CAM and 3D printing technology through the keynote speech "Development of 3D Printing in Biomedical Field". At the same time, Professor Hu Qingxi also elaborated on the development history and current situation of 3D printing in the field of biomedicine.

生物精准医疗的“武器”:3D打印

Hu Qingxi, Director and Professor of Shanghai University Rapid Manufacturing Engineering Center

Development status

In terms of current technology, there are four stages in its development. In the first stage, 3D printing technology is used to print a simple preoperative model to assist doctors in diagnosis (currently still applied); in the second stage, biocompatible is selected. Non-degradable implant materials (a wide range of applications, temporarily irreplaceable); the third stage, the use of bio-3D printing, coupled with biocompatible and degradable materials to construct bio-stents (not yet in clinical, is In the fourth stage, the cell 3D printer or bio 3D printer is used to select cells and biomaterials to print the birth object (the future direction of development).

Up to now, 3D printing has achieved excellent results in biomedical research at home and abroad, such as 3D printing preparation of biological scaffolds, electrospinning preparation of biological scaffolds, 3D printing and electrospinning preparation of biological scaffolds, and cell assembly and preparation of organisms.

So what is the current state of research in 3D printing in the field of precision medicine ? In this regard, Professor Hu Qingxi introduced: "3D printing preparation of biological stents is currently a technology applied in the medical field, it belongs to macro technology. And electrospinning technology belongs to micro technology, both have advantages and disadvantages, and how Better combination is the subject we are studying now.” Finally, Professor Hu Qingxi said that 3D printing technology will become the most effective means for tissue and organ repair in the field of bio-precision, and it is also the future development direction of bio-precision. .

BioCAD and CAM technology

Of course, before using 3D printers, bio-CAD and CAM technologies are required to implement the model through three-dimensional reconstruction, defect acquisition, defect reconstruction, and post-processing. Through a series of related experiments, a comprehensive CAD system for biological CAD, CAM and 3D printing has been formed, and the replacement or repair of damaged organs and tissues is finally completed.

Professor Hu Qingxi said that 3D printing technology will become the most effective means for tissue and organ repair in the field of bio-precision, and it is also the future development direction of bio-precision.

For more details, please pay attention to the follow-up reports of OFweek Medical Technology Network!


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