3D printer LED uv curing light source applied to ankle surgery has the advantages of fast, individualized, intuitive and operable. The application of UV LED curing and ankle orthotics can achieve individualized treatment and shorten the production time. The preoperative preparation of the 3D printing uv curing light source model and the guiding model can reduce the difficulty of operation and the number of perspective and enhance the precision of the operation. The application of 3D printing technology to prepare individualized bone and prosthesis can achieve better match. This article reviews the application value of 3D printing technology in ankle surgery.

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Generalized 3 d printers LED uv curing light source technology is also called rapid prototyping technology, is a kind of based on the digital model, under computer control structure in the form of step by step a printed object technology. An object with any geometrical shape can be constructed using this technique. Since the first UV LED curing 3D printer was made in 1986, the technology has been developing for 30 years. After entering the 21st century, due to the rapid upgrade of computer technology, 3D printing uv curing light source has made great progress, the rapid rise of the production, sales, price decrease year by year, and even appeared only has the basic home 3 d printers. Now more and more powerful new 3D printing technologies are emerging, and these new 3D printers can print more and more different materials and different needs. The development of 3D printing technology has made the application of 3D printers more and more widely, and various industries have started to explore the application value of 3D printers in this field.

  Currently, the technology of 3D printer LED uv curing light source in medicine is mainly selective laser sintering, molten deposition modeling, multi-jet forming technology and stereoscopic printing. Selective laser sintering technique is used to selectively cut the thermoplastic sheet with a laser beam, thus making each layer of image of CT or MRI into thermoplastic sheet. And then the laminar laminated and sintered, the UV LED curing 3D model is formed. The developed model has the advantages of high geometric precision and its disadvantages. But high costs and rough surfaces make it less practical. Molten deposition modeling technology refers to the layered plastic and solidification of molten material. This method allows different tissues to be made of different materials, and the anatomical structures can be distinguished by different colors and types of materials. The geometrical precision and surface quality of the model are high, but it takes a long time to make the model, which can take up to 24 hours. As the first 3D printing uv curing light source in 3D printing, stereoscopic printing is still used in medicine. Its principle is to allow the liquid photosensitive resin that needs to be formed to selectively polymerize under the action of the laser, and then make a model after hardening.

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