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With the development of the national economy and the improvement of people’s living standards, the aging trend of the population has become increasingly prominent, and diseases and accidental injuries have increased year by year. As an important branch of human tissue and organ regeneration and repair materials, biomedical titanium alloy materials have huge market prospects.
It should be clearly recognized that there is still a certain gap between China’s tide alloy manufacturers and the world’s advanced level in biomedical titanium alloy material design, preparation and processing, surface treatment, product design and manufacturing, etc. Long life, multi-function, lightweight, low cost and safe and effective will be an important direction of biomedical titanium alloy application research. In the future application, there are the following problems worthy of attention.

1. Optimize the composition design of medical titanium alloys
   By improving the existing alloy system and creating a new alloy system, developing a new medical titanium alloy material with low elastic modulus, reasonable matching of strength and toughness, wear resistance and corrosion resistance, fatigue resistance, and excellent biological and mechanical compatibility, which can meet the soft and hard tissue repair of human body and replace clinical applications.
2. Innovative preparation method of medical titanium alloy materials
   Establish and improve the advanced theory and method of processing and preparation of medical titanium alloy materials, constantly deepen or innovate the preparation methods of porous, micro nano, amorphous and ultra-fine crystallization of materials, obtain special organization and structure through new preparation methods, give the material biological functionalization and intelligence, and realize the optimization and upgrading of medical titanium alloy materials.
3. Expand research on surface modification of medical titanium alloys
   Through the research on the dual interface between titanium alloy and base metal and between human tissue or body fluid, search and screen various inorganic materials, polymer materials and cytokines to modify the surface of titanium alloy to improve its surface characteristics and structure Structure, improve wear and corrosion resistance, biocompatibility and biological activity and other performance.
4. Improve material production and processing technology
   At present, domestic processing technology such as medical titanium alloy thick wall tube and titanium nickel alloy capillary tube is not very mature, and most of them need to be imported from abroad, so it is especially necessary for us to master the core key technology of titanium alloy material processing, strengthen the construction of quality control system, improve the consistency of product performance, reduce processing and manufacturing costs, and further meet the manufacturing needs of medical titanium alloy products.
5. Strengthen product design and processing
   It is a general trend to apply advanced processing technologies such as precision casting, precision CNC machining and micro-machining to the processing of medical devices. In particular, digital 3D reconstruction technology has become a hot topic in recent years. According to the defect of patients, the technology simulates natural shape with the help of 3D CT examination results, and carries out medical 3D reconstruction with the help of CT data processing. Through the natural surface drawing, computer graphics and image aided design and titanium alloy digital manufacturing programs, precise design for patients and through laser forming technology prefabricated personalized instruments, with customizable, strong consistency, fewer processes, short cycle and other advantages. This is a revolutionary progress, marking the titanium alloy equipment into the digital era, will become one of the key development directions in the field of titanium alloy biomedicine.