Shaanxi High-end Industry &Trade Co., Ltd.
Shaanxi High-end Industry &Trade Co., Ltd.

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The "Ti Metal Bone" Implanted for Surgery

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The "Ti Metal Bone" Implanted for Surgery

Due to the progress of society and the development of technology, the market share occupied by biological materials has become more and more, and it is still growing at a relatively fast rate. The proportion of hard tissue replacement materials such as artificial teeth, artificial joints and artificial bones in the field of medical biomaterials is increasing and growing rapidly.


Titanium and titanium alloy materials are widely used in the nuclear industry, chemical and petrochemical, aerospace, sporting goods, dentistry and medical restoration and other fields. Titanium alloy materials have also been selected as the best material to replace or repair failed hard tissues (structural biomedical applications).


Pure titanium has good corrosion resistance, but its biocompatibility and comprehensive mechanical properties are poor, its strength is relatively low, and its production cost is also very expensive. The emergence of titanium alloys can be a good substitute for it.


Compared with stainless steel, industrial pure (CP) Nb, Cr-Co alloy and CP-Ta and other medical application materials, titanium alloy can meet the performance requirements better, because it will form an oxide layer on the surface, resulting in excellent corrosion resistance and lower elasticity. modulus.


Medical titanium alloy is not only non-toxic, light in weight, high specific strength, but also has excellent biocompatibility and corrosion resistance. It can be used as implants in the human body, etc. It is an ideal medical metal material. The earth's crust is very rich in reserves and has the potential for further development. It is an ideal and promising biomedical engineering material.


At present, pure titanium (TA1, TA2; TA1 is titanium with a pure titanium greater than 99.6%, and pure titanium with a purity of less than 99.6 is TA2) and Ti-6Al-4V, Ti-5Al-2.5Fe, Ti-6Al-7Nb alloys in It is widely used in the medical field, but the new β-type titanium alloy has become the research hotspot of the new medical titanium alloy due to its better biocompatibility and mechanical compatibility, and it is the most potential technology in the field of medical implants.


In the future, the production technology of titanium alloys will develop in the direction of low modulus and high strength. From the perspective of development trends, β-type titanium alloys will become the direction of future development and the "leader" of the medical titanium alloy market.


Now, Chinese researchers have synthesized dental Ti-Zr alloys with reference to the mechanical properties of Co-Cr alloys and IV-type alloys commonly used in clinical practice, and are expected to become a new titanium alloy for oral restoration. In addition, my country has also designed TAMZ type (Ti-Al-Mo-Zr, etc.) medical alloys, which have better compatibility and low price, and are suitable for making dental brackets and retaining rings.


It is believed that with the development of science and technology, China's research on titanium alloys will be more in-depth and thorough.

Pub Time : 2022-03-31 09:14:17 >> News list
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