New titanium alloy and bio-coating technology achieved breakthrough through acceptance

Recently, the subject of the National 863 Program Special Functional Materials jointly developed by the Northwest Institute of Nonferrous Metals and other three parties has passed the acceptance test for the "Technology Development of New Titanium Alloy Compatible with Hard Tissues and Its Biological Coatings Technology".

This project has independently designed and developed two kinds of near-type titanium alloy TLM (Ti-Zr-Sn-Mo-Nb) and TLE (Ti-Zr-Mo-Nb) with China's independent intellectual property rights, and has good biological and mechanical compatibility. The comprehensive performance can be compared with Ti-13Nb-13Zr and other excellent medical titanium alloys that have been reported in the world. It has achieved "low cost" in terms of raw materials, smelting, processing, and heat treatment, and its comprehensive mechanical properties are widely adjustable. Processing technology is simple and efficient; easy processing into various types of tubes, rods, plates, wire, foil and die forging, casting products. TLM alloy can be used for the repair of human soft tissues (such as endovascular stents, heart valves, etc.) and hard tissues (joints, internal fixation devices, etc.) and replacement products. It is versatile, versatile, cost-effective, and easy to popularize and popularize. Sex.

The new titanium oxide coating can be evenly formed on the surface of titanium implants with complex shapes. It has the features of biological activity, uniform thickness, porosity, low elastic modulus, high bonding strength, etc. Its long-term serviceability is higher than that of conventional plasmas. Spray HA coating. The titanium carbonitride coating has high hardness, high bonding strength, and anti-wear function in a liquid environment, which can significantly improve the wear resistance and prolong the service life of implants such as titanium alloy joints.

At present, the two new types of medical titanium alloy materials will soon be applied for the national standard for titanium and titanium alloy processing implants for surgical implants, and applications for the registration of related medical device products will be launched. Therefore, it is expected that new domestic medical device products processed with new alloy materials will be produced in the next 3-5 years. It can quickly form a high-tech industry, promote the development of local economy and related industries, and promote the development of medical equipment products with national brands and the upgrading of new products, reduce imports, benefit the people, and thus produce huge economic and social benefits.

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